CN110554743B - Connected media device and server using the connected media device - Google Patents

Abstract

The invention provides a connection media device and a server using the connection media device. The connection media device includes a circuit board, a first electrical connector and a second electrical connector. The first electrical connector is installed on one side of the circuit board for connecting the computing module. The second electrical connector is installed on the other side of the circuit board and is electrically connected to the first electrical connector through the circuit board. The second electrical connector is used for connecting the storage module. The server can modularly pre-design and produce the computing module and storage module by connecting the media device. After the design is completed, it only needs to connect the two with the connection media device, so that it can prepare materials in advance, modularize production, reduce man-hours, and use The design is more flexible. In addition, since the modules are connected in series through circuit boards and electrical connectors, the use of cables can be reduced, the internal space of the server can be increased, and the heat dissipation effect can be improved.

Description

Connected media device and server using the connected media device

technical field

The invention relates to the server field, in particular to a connection media device and a server using the connection media device.

Background technique

With the increasing demand for various information volumes, it is common to set up storage media and calculations in the form of server platforms. As far as the applicant knows, the server platforms on the market design the required storage and computing modules based on the needs of the users. The storage modules and computing modules are installed in the casing and connected to each other through cables, buses, etc. .

However, since the specifications and sizes of various devices are different, it is necessary to adjust the internal mechanism design of the case to meet the specifications of different motherboard assemblies or storage devices according to the needs of each use end.

Contents of the invention

Herein, a connection media device is provided, and the connection media device includes a circuit board, a first electrical connector, and a second electrical connector. The first electrical connector is installed on one side of the circuit board for connecting the computing module. The second electrical connector is installed on the other side of the circuit board and is electrically connected to the first electrical connector through the circuit board. The second electrical connector is used for connecting the storage module.

In some embodiments, the circuit board includes a first circuit board and a second circuit board, the connection media device further includes a first signal serial connector and a second signal serial connector, the first electrical connector and the first signal The serial connectors are respectively arranged at different positions on the first circuit board and are electrically connected through the first circuit board, the second electrical connector and the second signal serial connector are arranged at different positions on the second circuit board, and Through the electrical connection of the second circuit board, the first signal serial connector is inserted into the second signal serial connector, so that the first circuit board is electrically connected to the second circuit board.

Furthermore, in some embodiments, the first circuit board and the second circuit board are arranged orthogonally. Furthermore, in some embodiments, the first signal serial connector and the first electrical connector are respectively disposed on the first surface and the second surface of the first circuit board. The first surface is opposite to the second surface, the first surface faces the second circuit board, and the second surface faces away from the second circuit board.

In some embodiments, the connection medium device further includes a power connector disposed on the first circuit board for connecting to a power supply.

In some embodiments, the connection media device further includes a network card connector, and the network card connector is disposed on the first circuit board for connecting to the network card.

In some embodiments, the connection media device further includes a fan electrical connector, and the fan electrical connector is disposed on the second circuit board for connecting the fan.

Here, a server is also provided, and the server includes a computing module, a connection media device, and a storage module. The computing module includes a first casing and a mainboard assembly, the first casing includes a first area and a second area, the second area is located on one side of the first area, the mainboard assembly is accommodated in the first area, and Has motherboard electrical connectors. The connection medium device includes a circuit board, a first electrical connector and a second electrical connector. The circuit board is installed in the second area of the first casing. The first electrical connector is arranged on one side of the circuit board and connected with the main board electrical connector. The second electrical connector is installed on the other side of the circuit board, and the second electrical connector is electrically connected to the first electrical connector through the circuit board. The storage module includes a second casing, a storage device, and a bus connector. The second casing is assembled with the first casing. The storage device is accommodated in the second casing. The bus connector is electrically connected to the storage device and is connected to the second casing. The second electrical connector is connected.

In some embodiments, the circuit board includes a first circuit board and a second circuit board, the connection media device further includes a first signal serial connector and a second signal serial connector, and the first circuit board is set on the first machine on the casing, and contact with the two side walls of the first casing, separate the first area and the second area, the second circuit board is arranged on the bottom plate of the first casing located in the second area, the first electrical connector and the first The signal serial connectors are respectively arranged on the corresponding two surfaces of the first circuit board, and are electrically connected through the first circuit board, and the second electrical connector and the second signal serial connector are arranged on different parts of the second circuit board. position, and is electrically connected through the second circuit board, the first signal serial connector is inserted into the second signal serial connector, so that the first circuit board is electrically connected to the second circuit board.

In some embodiments, the server further includes a fan assembly, the connection media device further includes a fan electrical connector, the fan assembly includes a fan base and a fan, the fan is accommodated in the fan base, and the fan is assembled with the fan electrical connector. The fan base body and the two side walls of the first casing located in the second area respectively have connecting holes and bosses corresponding to each other, and the bosses are inserted into the connecting holes so that the fan assembly is assembled on the first casing.

In some embodiments, the upper cover is connected to the first casing and is in contact with the two side walls, so as to close the second area and shield the fan assembly and the connecting media device.

In some embodiments, the computing module further includes a plurality of positioning components and a drawer component, the positioning component is installed on the two side walls of the first housing located in the first area, the positioning component is in contact with the drawer component, and the motherboard assembly The drawing assembly is installed on the drawing assembly, and the drawing assembly is pushed into the first casing toward the second area, so that the first electrical connector is connected with the electrical connector of the main board.

In some embodiments, the server further includes a power supply and a power connector, the power supply is accommodated in the first area of the first casing, and the power connector is disposed on the circuit board and connected to the power supply.

The use of the connection media device enables the server to be designed in a modular and modular manner. The storage module and the computing module can be pre-designed and assembled. After the design and assembly are completed, the connection media device can be used to connect the two electrically. This enables modular production and more flexibility in the entire design. Pre-prepared materials can reduce man-hours. In addition, because the overall design is connected in series through circuit boards, the use of cables can be greatly reduced, and the internal space of the server is increased, with larger air ducts, which improves the heat dissipation effect.

Description of drawings

The above and other exemplary embodiments, advantages and features of the present invention will become more apparent by further describing exemplary embodiments of the present invention in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic exploded front view of an embodiment of a connection media device.

FIG. 2 is an exploded rear view diagram of an embodiment of the connection media device.

FIG. 3 is an exploded front view of a server using a connection media device.

FIG. 4 is a perspective schematic diagram of a rear view of a storage module of a server.

FIG. 5 is a schematic rear perspective view of the first casing of the server.

FIG. 6 is a three-dimensional schematic diagram of a server using a connection media device.

FIG. 7 is a schematic diagram of a server storage module replacement state.

8 to 10 are partial rear perspective views of different embodiments of the server computing module.

Explanation of reference signs:

1 Connecting media unit 10 Circuit board assembly

11 First circuit board 11A First surface

11B Second surface 13 Second circuit board

20 First electrical connector 25 First signal serial connector

27 Power Connector 271 Power Plug

273 power socket 29 network card connector

30 2nd electrical connector 35 2nd signal serial connector

37 Fan electrical connector 4 Computing module

40 First enclosure 41 First zone

405 piercing 43 second zone

44 Positioning component 46 Pulling component

47 Bottom plate 49 Side walls

491 Boss 50 Main board assembly

51 motherboard electrical connector 6 storage module

6’ storage module 61 second enclosure

63 Snap-in slot 70 Storage device

70’ storage device 71 bus connector

80 Fan assembly 81 Fan base

811 Connection hole 83 Fan

85 Power supply 90 Top cover

901 Lug 903 Slider

93 side cover 95 network card

100 servers

Detailed ways

Fig. 1 is an exploded schematic diagram of a front view of an embodiment of a connection media device; Fig. 2 is a schematic diagram of an exploded rear view of an embodiment of a media connection device; Fig. 3 is a schematic diagram of an exploded front view of a server using a media connection device; Fig. 4 is an exploded view of a server A three-dimensional schematic diagram of the rear view of the storage module. FIG. 5 is a schematic rear perspective view of the first casing of the server. FIG. 6 is a three-dimensional schematic diagram of a server using a connection media device. In this application, a connection media device 1 and a server 100 for connecting to the media device 1 will be provided. Here, the connection media device 1 can assist the server 100 to be designed and assembled in a modular manner.

As shown in FIGS. 1 and 2 , and referring to FIG. 3 at the same time, the connection medium device 1 includes a circuit board 10 , a first electrical connector 20 , and a second electrical connector 30 . The first electrical connector 20 is installed on one side of the circuit board 10 for connecting the computing module 4 . The second electrical connector 30 is installed on the other side of the circuit board 10, the second electrical connector 30 is electrically connected to the first electrical connector 20 through the circuit board 10, and the second electrical connector 30 is used for connecting storage Module 6. Here, the number of pins in the first electrical connector 20 and the second electrical connector 30 may be 100 to 300, for example, 220 pins, so as to achieve the function of converging electrical connection.

As shown in FIGS. 1 and 2 , in this embodiment, the circuit board component 10 includes a first circuit board 11 and a second circuit board 13 . The connection medium device 1 also includes a first signal serial connector 25 and a second signal serial connector 35, the first electrical connector 20 and the first signal serial connector 25 are respectively arranged at different positions of the first circuit board 11 , and are electrically connected through the first circuit board 11 . The second electrical connector 30 and the second signal serial connector 35 are disposed at different positions on the second circuit board 13 and electrically connected through the second circuit board 13 . The first signal serial connector 25 is inserted into the second signal serial connector 35 to electrically connect the first circuit board 11 to the second circuit board 13 . In this embodiment, the combination of the first circuit board 11 and the second circuit board 13 is serially connected with the second signal serial connector 35 through the first signal serial connector 25, so as to serve as the circuit board component 10, But this is only an example, not a limitation. For example, when the internal space of the server 100 is narrow, it can also be completed by simply using a single circuit board. Or, for the situation that the inner space of the server 100 is relatively irregular, multiple circuit boards and electrical connectors can also be used to combine.

As shown in Figure 1 and Figure 2, in this embodiment, the first circuit board 11 and the second circuit board 13 are arranged orthogonally, through the first signal serial connector 25 and the second signal serial connector 35 groups catch. But this is just an example and not limited thereto. For example, if the specifications of the servers 100 are flat, they can also be connected in series in a horizontal manner.

As shown in FIGS. 1 and 2 , in this embodiment, the first signal serial connector 25 and the first electrical connector 20 are respectively disposed on the first surface 11A and the second surface 11B of the first circuit board 11 . The first surface 11A is opposite to the second surface 11B. In more detail, the first surface 11A faces the second circuit board 13 , while the second surface 11B faces away from the second circuit board 13 . In this embodiment, the first circuit board 11 is a circuit substrate with multi-layer circuits, and its front and back sides can be assembled with the computing module 4 and the second circuit board 13 respectively. However, the assembling method is only an example and not limited thereto. For example, if the first circuit board 11 is installed in a flat manner, it is not necessary to provide electrical connectors on the front and back sides. Here, the number of the first signal serial connector 25 and the second signal serial connector 35 is multiple, but this is only an example rather than a limitation, as long as the functions of electrical connection and signal transmission can be realized. Can. In some embodiments, the first signal serial connector 25 and the second signal serial connector 35 may also be a single one.

As shown in FIG. 2 and also referring to FIG. 3 , in some embodiments, the connection media device 1 further includes a power connector 27 . The power connector 27 is disposed on the first circuit board 11 for connecting to the power supply 85 . In this embodiment, the power connector 27 is disposed on the second surface 11B together with the first electrical connector 20 . In this way, the power from the computing module 4 is connected in series to supply power to the second circuit board 13 and the storage module 50 . Here, the power connectors 27 are electrically connected to each other by assembling the power plug 271 of the power plug 271 on the power socket 273 of the first circuit board 11 , but this is only an example and not limited thereto.

As shown in FIG. 2 and also referring to FIG. 3 , in some embodiments, the connection media device 1 further includes a network card connector 29 . The network card connector 29 is disposed on the first circuit board 11 for connecting to the network card 95 . In this embodiment, the power connector 27 is disposed on the second surface 11B together with the first electrical connector 20 . Directly use the independent network card 95 to realize the function of networking. This is only an example, and is not limited to directly installing the network card 95 on the first circuit board 11. For example, the network card can also be built into the motherboard assembly 50 of the computing module 4, or the network card can be 95 is mounted on the motherboard assembly 50.

Referring to FIG. 1 again and FIG. 3 at the same time, in some embodiments, the connection medium device 1 further includes a fan electrical connector 37 disposed on the second circuit board 13 for connecting to a fan. Here, in the drawings, there are multiple fan electrical connectors 37, which may correspond to multiple fans 83, but this is only an example, not limited thereto. In fact, the number of fans 83 and the fan electrical connectors 37 may be Adjust to actual needs.

As shown in FIGS. 3 to 6 , the server 100 includes a connection media device 1 , a computing module 4 , and a storage module 6 . The computing module 4 includes a first casing 40 and a motherboard assembly 50 . The first casing 40 includes a first area 41 and a second area 43 , the second area 43 is located at one end of the first area 41 , here, the second area 43 is located at the front end of the first area 41 , and the two communicate with each other. The motherboard assembly 50 is accommodated in the first area 41 , and the motherboard assembly 50 has a motherboard electrical connector 51 . The connection medium device 1 includes a circuit board 10 , a first electrical connector 20 and a second electrical connector 30 , and the circuit board 10 is installed in the second area 43 of the first casing 40 . The first electrical connector 10 is mounted on one side of the circuit board 10 and connected to the main board electrical connector 51 . The second electrical connector 30 is mounted on the other side of the circuit board 10 , and the second electrical connector 30 is electrically connected to the first electrical connector 20 through the circuit board 10 . The storage module 6 includes a second casing 60 , a storage device 70 , and a bus connector 71 . The second casing 60 is assembled with the first casing 40, the storage device 70 is accommodated in the second casing 60, the bus connector 71 is electrically connected to the storage device 70, and is connected to the second electrical connector 30, thereby passing The connection medium device 1 is electrically connected to the computing module 4 and the storage module 6 to complete the form as shown in FIG. 6 . Therefore, the computing module 4 and the storage module 6 can be individually designed and configured in advance, and then modularly assembled by connecting the media device 1 .

As shown in Figures 3 to 6, in this embodiment, the circuit board 10 includes a first circuit board 11 and a second circuit board 13, and the connection media device 1 also includes a first signal serial connector 25 and a second signal serial connector 25. Serial connector 35. The first circuit board 11 is arranged on the first casing 40 and is in contact with two side walls 49 to further separate the first area 41 and the second area 43. The second circuit board 13 is arranged on the first casing 41 and is located in the second area. 43 on the bottom plate 47. The first electrical connector 20 and the first signal serial connector 25 are respectively disposed on two corresponding surfaces 11A, 11B of the first circuit board 11 , and are electrically connected through the first circuit board 11 . The second electrical connector 30 and the second signal serial connector 35 are arranged at different positions on the second circuit board 13, and are electrically connected through the second circuit board 13. The first signal serial connector 25 is connected to the second signal serial connector 25. The serial connector 35 is inserted to electrically connect the first circuit board 11 and the second circuit board 13 . Here, although in the embodiment shown in FIG. 3 and FIG. 4, the first electrical connector 20, the first signal serial connector 25, the second electrical connector 30, the second signal serial connector 35, the host There are multiple board assemblies 50 and storage devices 70, but in fact, the number of various electrical connectors, motherboard assemblies 50 and storage devices 70 can be allocated according to the needs of use, and the first electrical The connector 20 and the second electrical connector 30 do not need to be exactly the same as the motherboard electrical connector 51 and the bus connector 80 .

Referring to FIG. 3 again, the server 100 further includes a fan assembly 80 , and the connection medium device 1 further includes a fan electrical connector 37 . The fan assembly 80 includes a fan base 81 and a fan 83 . The fan 83 is accommodated in the fan base 81 and assembled with the fan electrical connector 37 . Here, in this embodiment, the entire fan assembly 80 is located above the second circuit board 13 . The fan electrical connector 37 is located between the second electrical connector 30 and the second signal serial connector 35 . After the fan 83 is assembled with the fan electrical connector 37 , the server 100 can dissipate heat. In addition, the fan base 81 and the first casing 40 are located on the two side walls 49 of the second area 43 and have corresponding connection holes 811 and protrusions 491 respectively. The protrusions 491 are inserted into the connection holes 811 to make the fan assembly 83 is assembled on the first casing 40 .

Here, the number of fan electrical connectors 37 and fans 83 is shown as multiple in FIG. The number of 83 can be adjusted according to the design specifications, and is not necessarily the same as the number of fan electrical connectors 37, and the configuration of the overall number is not limited thereto. In addition, the connection hole 811 on the fan base 81 can also be exchanged with the boss 491 on the first casing 40, and further, a buckle 813 can also be provided so that the boss 491 can be inserted into the connection hole 811 After that, it can be fastened to prevent loosening.

Referring to FIG. 3 again, the server 100 further includes a top cover 90, the top cover 90 is connected to the first casing 40, and is in contact with the two side walls 49, so as to cover the second area 43 and cover the fan assembly 80 and the connection media device 1, assembled After that, it is shown in Figure 6. Further, the upper cover 90 may have a protrusion 901 that is engaged in the through hole 405 on the edge of the first casing 40 , so that the upper cover 90 is fixed to the first casing 40 . Furthermore, a sliding fastener 903 may also be provided on the upper cover 90 . The sliding buckle 903 makes it easy to lift the upper cover 90 , so that the upper cover 90 can be selectively assembled or separated from the first casing 40 . Therefore, the opening or closing of the upper cover 90 is easier to operate.

As shown in FIG. 5 and referring to FIG. 3 , the computing module 4 further includes a positioning component 44 and a drawer component 46 . The positioning component 44 is installed on two side walls 49 of the first housing 40 located in the first area 41 . Here, the bottom plate 47 and the two sidewalls 49 of the first casing 40 extend continuously in the first region 41 and the second region 43 , and the positioning component 44 may be a boss. The drawing assembly 46 abuts against the positioning assembly 44, and the motherboard assembly 50 is installed on the drawing assembly 46. When the drawing assembly 46 is pushed into the first casing 40 toward the second area 43, the drawing assembly can be 46 is positioned on the positioning component 44 , and when pushed close to the second area 43 , the first electrical connector 20 is connected and fixed with the main board electrical connector 51 . This is just an example, not limited thereto, and the positioning component 44 can also be combined with the drawing component 46 by means of slide rails, slide grooves and the like.

In addition, referring to FIG. 3 and FIG. 4 again, the storage module 6 further includes a locking slot 63 disposed in the second housing 60 to accommodate the storage device 70 . Here, the storage device 70 may be a 2.5-inch hard disk, a 3.5-inch hard disk, or other various storage elements. Each storage device 70 may be connected to one bus connector 71 , or a plurality of storage devices 70 may be connected to the bus connector 71 . When the storage module 6 is connected to the connection medium device 1 , the second electrical connector 30 is connected to the bus connector 71 . In the storage module 6, a circuit board and an electrical connector can be arranged at the position where its back side is connected to the connection medium device 1. The electrical connector is arranged on one side of the circuit board to connect all the storage devices 70, and the other side is provided with a bus connector 71. to be connected with the second electrical connector 30 . But the above are just examples and not limited thereto.

Referring to FIG. 3 again, the server 100 also includes a power supply 85 and a power connector 27, the power supply 85 and the power connector 27 are accommodated in the first area 41 of the first casing 40, and the power connector 27 can be assembled Formally arranged on the first circuit board 11, and then connected to the power supply 27. But this is only an example, not limited thereto. For example, in some embodiments, the power connector 27 can also be installed on the motherboard assembly 50 , and different power supplies 27 are used to supply power to them. Further, the server 100 further includes a side cover 93 , and the side cover 93 is assembled with the first casing 40 to shield the power supply 85 and the power connector 27 .

FIG. 7 is a schematic diagram of a server storage module replacement state. Here, the storage module 6 further includes a plurality of storage devices 70 , and the storage devices 70 are 3.5-inch hard disks. Here, it can also be replaced with a storage module 6' according to the design. The storage device 70' of the storage module 6' is a 2.5-inch hard disk. It can be understood that the storage module 6 can be designed and assembled separately, and after the storage module 6 is assembled, it can be assembled with the computing module 4 through the connecting media device 1 . The above are just examples and not limited thereto.

8 to 10 are partial rear perspective views of different embodiments of the server computing module. As shown in Figures 7 to 9, referring to Figure 3 at the same time, it is shown that each pull-out module 46 is equipped with a motherboard assembly 50, it can be understood that the configuration of the motherboard assembly 50 can be as shown in Figure 8 , for the configuration of each up and down, also can be as shown in Figure 9, be the configuration of each of up and down, left and right, can also be shown in Figure 10, be the configuration of each of left and right. The above are just examples and not limited thereto. Understandably, as shown in FIGS. 7 to 10 , both the computing module 4 and the storage module 6 can be adjusted in appropriate quantity and configuration according to actual requirements and specifications of the components. It is also possible to design the computing module 4 and the storage module 6 according to the existing size specifications in advance, and complete the semi-finished products, and then complete the assembly of the server 100 through assembly, so that it can have higher flexibility, modularization, and standardized design. , can be prefabricated first, and can shorten the working hours.

To sum up, the use of the connection media device 1 enables the server 100 to be designed in a modular and assembled manner, and the storage module 6 and the computing module 4 can be pre-designed and assembled according to the required specifications and quantities. After the design and assembly are completed, the connection media device 1 is used to electrically connect the two to use, so that the entire design can be modularized and produced more flexibly. In addition, because the overall design of the server 100 is to connect the storage module 6 and the computing module 4 in series through the circuit board, the use of cables can be greatly reduced, the internal space of the server can be improved, and there is greater risk. Road, and enhance the heat dissipation effect.

While the invention has been described in connection with what are presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but on the contrary, is intended to apply to various modifications and equivalent arrangements as included in the appended within the spirit and scope of the claims.

Claims (11)

1. A connection medium apparatus comprising:

the circuit board comprises a first circuit board, a second circuit board, a first signal serial connector and a second signal serial connector, wherein the first signal serial connector is arranged on the first circuit board, the second signal serial connector is arranged on the second circuit board, the first circuit board and the second circuit board are orthogonally arranged, and the first signal serial connector is spliced with the second signal serial connector so that the first circuit board is electrically connected with the second circuit board;

the first electric connector is arranged on one side of the first circuit board piece, is positioned at a position different from the first signal serial connection connector, and is electrically connected with the first signal serial connection connector through the first circuit board, and the first electric connector is used for being connected with an operation module; and

the second electric connector is arranged on one side of the second circuit board and is positioned at a position different from the second signal serial connection connector, and is electrically connected with the second signal serial connection connector through the second circuit board and further electrically connected with the first electric connector, and the second electric connector is used for being connected with a storage module.

2. The connection medium device of claim 1, wherein the first signal serial connector and the first electrical connector are disposed on a first surface and a second surface of the first circuit board, respectively, the first surface is opposite to the second surface, the first surface faces the second circuit board, and the second surface faces away from the second circuit board.

3. The connection medium device of claim 1, further comprising a power connector disposed on the first circuit board for directly connecting to a power supply.

4. The connection medium device of claim 1, further comprising a network card connector disposed on the first circuit board for connecting to a network card.

5. The connection medium device of claim 1, further comprising a fan connector disposed on the second circuit board for directly connecting to a fan.

6. A server, comprising:

the operation module comprises a first shell and a mainboard assembly, wherein the first shell comprises a first area and a second area, the second area is positioned at one end of the first area, and the mainboard assembly is accommodated in the first area and is provided with a mainboard electric connector;

a connection medium apparatus comprising:

the circuit board piece is arranged in the second area of the first shell and comprises a first circuit board, a second circuit board, a first signal serial connector and a second signal serial connector, wherein the first signal serial connector is arranged on the first circuit board, the second signal serial connector is arranged on the second circuit board, the first circuit board and the second circuit board are arranged in an orthogonal mode, and the first signal serial connector is spliced with the second signal serial connector so that the first circuit board and the second circuit board are electrically connected;

the first electric connector is arranged on one side of the first circuit board piece and positioned at a position different from the first signal serial connection connector, and is electrically connected with the first signal serial connection connector through the first circuit board, and the first electric connector is connected with the main board electric connector; and

the second electric connector is arranged on one side of the second circuit board and positioned at a position different from the second signal serial connector, and is electrically connected with the second signal serial connector through the second circuit board so as to be electrically connected with the first electric connector; and

the storage module comprises a second shell, a storage device and a bus connector, wherein the second shell is assembled with the first shell, the storage device is accommodated in the second shell, and the bus connector is electrically connected with the storage device and is connected with the second electric connector.

7. The server of claim 6, wherein the first circuit board is disposed on the first housing and abuts against two sidewalls of the first housing to separate the first area from the second area, the second circuit board is disposed on a bottom board of the first housing in the second area, and the first electrical connector and the first signal serial connector are disposed on two surfaces of the first circuit board respectively.

8. The server of claim 6, further comprising a fan assembly, wherein the connection medium device further comprises a fan electric connector, the fan assembly comprises a fan base and a fan, the fan is accommodated in the fan base and is directly assembled with the fan electric connector, the fan base and two side walls of the first casing in the second area are respectively provided with a connecting hole and a convex column which are corresponding to each other, and the convex column is inserted into the connecting hole so that the fan assembly is assembled on the first casing.

9. The server of claim 8, further comprising a top cover coupled to the first housing and contacting the two sidewalls to enclose the second area and to enclose the fan assembly and the connection medium device.

10. The server according to claim 6, wherein the operation module further comprises a plurality of positioning components and a pulling component, the positioning components are mounted on two side walls of the first housing located in the first area, the positioning components are in contact with the pulling component, the motherboard assembly is mounted on the pulling component, and the pulling component is pushed into the first housing towards the second area, so that the first electrical connector is connected with the motherboard electrical connector.

11. The server of claim 6, further comprising a power supply and a power connector, wherein the power supply is accommodated in the first area of the first housing, and the power connector is disposed on the circuit board and directly connected with the power supply.