TWM601909U - An electrical connector - Google Patents

Abstract

An electrical connector has a first row of terminals and a second row of terminals. The first row of terminals and the second row of terminals are stamped based on different material strips and then embedded in the same rubber core. The rubber core is injection-molded The first row of terminals and the second row of terminals are wrapped in a way; the rubber core is formed with a locking step and a tongue projecting outward from one end of the rubber core, and the locking step is distributed on the upper and lower sides of the tongue projecting direction; The first contact portion of a row of terminals and the second contact portion of the second row of terminals are respectively located on the upper and lower sides of the tongue. The front end of the first contact portion is provided with a first folding head embedded in the tongue, and the second contact The front end of the part is provided with a second folding head embedded in the tongue; the rubber core is sleeved with the outer main body, the outer main body has a bottom plate and an annular sleeve part distributed at one end of the bottom plate, and the rubber core is inserted into the annular sleeve part and clamped by The position step is matched and positioned to be clamped in the annular sleeve part; and also includes a shell, which fixes the rubber core and the outer main body by wrapping. The shell forms an insertion interface on the outer periphery of the tongue, and the insertion interface is for the external connection plug to be inserted and connected with The first row of terminals and the second row of terminals are kept in conduction; the welding parts of the first row of terminals and the second row of terminals extend out of the outer shell together to be used for welding the circuit board.

Description

An electric connector

This creation belongs to an electrical connector.

Nowadays, PCIe (Peripheral Component Interconnect Express) connectors are installed on the motherboards of personal computers. The PCIe multi-layer protocol is designed to increase the transfer rate of the internal bus of the computer and is suitable for transmitting high-quality audio and video. Signal. However, most of the existing PCIe solid-state storage devices adopt the board card type, which not only restricts the application type, but is only suitable for the internal application of the server, but also difficult to externally expand, and cannot reduce the cost of PCIe storage equipment. Therefore, it has not been able to greatly expand PCIe. SSD (Solid State Drives, solid state drive) applications.

Serial Attached SCSI (English: Serial Attached SCSI, Abbreviation: SAS) is the most commonly used small computer system interface (English: Small Computer System Interface, Abbreviation: SCSI) technology, widely used in servers and storage devices, but The existing SCSI interface speed is relatively low.

With the development of new technologies such as cloud computing and big data, in the Internet market, customers have higher and higher requirements for data reading and writing, and backup protection. The demand for high and mid-end memory card solutions continues to increase, especially for cache capacity, data Features such as protection have clear requirements. In order to meet the above requirements, electrical connectors inside electronic products often add additional conductive terminals, which increase the signal transmission rate. However, the direct problem brought about by the increase in the number of conductive terminals is that various conductive terminals are prone to crosstalk during signal transmission, which greatly reduces the quality of signal transmission and cannot achieve the desired effect. In order to keep up with technological development trends, conducive to seizing the market and enhancing product brand influence, it is urgent to design corresponding equipment with higher transmission rates.

The purpose of this creation is to provide an electrical connector that can support storage devices of PCIe, SATA, SAS and SATA Express specifications at the same time, adapting to high frequency and high speed.

In order to achieve the above objectives, this creation adopts the following technical solutions: An electrical connector is provided with at least an insulating body and a plurality of terminal groups. The insulating body is provided with a plug end and a tin pin end opposite to each other; the plug end of the insulating body is provided with a tongue, and the tongue has an upper There are raised steps on the side and the lower side. The steps divide the upper side of the tongue into multiple sections; the plural terminal groups include a first terminal group, a second terminal group, a third terminal group, and a fourth terminal group; The first terminal group and the second terminal group include a plurality of grounding terminals, the tin pin end of the insulating body is provided with first and second inner sink assembly grooves, and the first inner sink assembly grooves are distributed in the first terminal group At the periphery, the second inner sink assembly groove is distributed around the second terminal group, the first inner sink assembly groove is provided with a first grounding piece, and the first grounding piece is short-circuited to the ground terminal of the first terminal group; the second sinking assembly A second grounding piece is arranged in the slot, and the second grounding piece is short-circuited to the grounding terminal of the second terminal group; The first terminal group is composed of a plurality of first terminals arranged in an array. The first terminals respectively have a first contact part and a first welding part; the first terminal group is implanted in the insulating body, and the first contact part leans on the lower side of the tongue, The first welding portion extends flatly along the corresponding side surface of the tin pin end of the insulating body and exposes the tin pin end of the insulating body; The second terminal group is composed of a plurality of second terminals arranged in an array, and the second terminals respectively have a second contact part and a second welding part; the second terminal group is implanted in the insulating body, and the second contact part leans on the upper side of the tongue, The second welding part leads out and bends the tin pin end of the insulating body; The third terminal group is composed of a plurality of third terminals arranged in an arrangement, the third terminals respectively have a third contact part and a third welding part; the third terminal group is implanted in the insulating body, and the third contact part leans on the surface of the step, and the third The soldering part leads to the tin pin end of the insulating body and bends; The fourth terminal group is composed of a plurality of fourth terminals arranged in an array, and the fourth terminals respectively have a fourth contact part and a fourth welding part; the fourth terminal group is implanted in the insulating body, and the fourth contact part leans on the upper side of the tongue, The fourth contact part of the fourth terminal group and the second contact part of the second terminal group are arranged on both sides of the step; the fourth welding part leads out the tin pin end of the insulating body and is bent.

The above solution is further: the first grounding member and the second grounding member are independent conductive sheets.

The above solution is further that: the first grounding piece and the second grounding piece are both conductive sheets, and the first grounding piece and the second grounding piece are connected as a whole, and the first sinking assembly slot and the second sinking assembly slot extend correspondingly Connected.

The above solution is further: the first grounding member is provided with a first elastic abutting portion, the second grounding member is provided with a second elastic abutting portion, the first elastic abutting portion and the second elastic abutting portion are used to abut Connect the corresponding ground terminal.

The above solution is further that: the first elastic abutment portion is a ground terminal protruding from one side of the first grounding member toward the ground terminal of the first terminal group, and a first inner sink assembly groove is provided between the ground terminal of the first terminal group and the first inner sink assembly groove. A communicating groove, the first communicating groove meets the requirement that the first elastic abutting portion protrudes and abuts against the ground terminal of the first terminal group; the second elastic abutment portion protrudes from one side of the second grounding member to the second The ground terminal of the terminal group, the ground terminal of the second terminal group and the second inner sink assembly groove are provided with a second communication groove, and the second communication groove meets the requirement of the second elastic abutting portion protruding against the second terminal group Ground terminal.

The above solution is further: the bending of the second welding part, the third welding part, and the fourth welding part form a row, and the material width of the bending part of the second welding part, the third welding part, and the fourth welding part is larger than the solder position The material width of the element.

The above solution is further: the upper side and the lower side of the tongue are respectively provided with grooves for receiving the first contact portion, the second contact portion, the third contact portion and the fourth contact portion, the first contact portion, the second contact portion The ends of the contact portion, the third contact portion and the fourth contact portion are provided with chamfered portions, which are inserted into the retaining portions of the groove extension structure, the first contact portion, the second contact portion and the fourth contact portion The width of the end is narrowed.

The above solution is further that: the insulating body is a flat design, and wings are provided at both ends of the tongue, and the wings are provided with positioning posts.

The above solution is further: the electrical connector supports at least four storage devices of PCIe, SATA, SAS and SATA Express specifications at the same time.

This creation increases the signal transmission rate by adding conductive terminals, integrates terminals with different signal definitions, and integrates PCIe, SATA (Serial Advanced Technology Attachment), SAS (Serial Attached SCSI, serial connection) Four types of connectors such as SCSI interface) and SATA Express (SATA international standard); at the same time, by adding grounding parts to short-circuit different grounding terminals, it is equivalent to increasing the area of the grounding terminal. This configuration can make the grounding terminal better The masking effect reduces the crosstalk generated by the signal terminal during the signal transmission process, improves the crosstalk, meets high frequency, supports the transmission of signals with a rate of 12GT/s, and is suitable for servers, external storage systems, hard disk drives/ Hard disk trays, blade processors and stackable cards are versatile and can better meet customer needs.

The following will further explain the concept, specific structure and technical effects of this creation in conjunction with the accompanying drawings to fully understand the purpose, features and effects of this creation.

It should be noted that in the description of this creation, the terms "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer" and other directions or The term of positional relationship is based on the direction or positional relationship shown in the drawings, which is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Restrictions on this creation. In addition, the terms "first", "second", "third", and "fourth" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

Refer to Figures 1-8. This creation relates to an electrical connector. The electrical connector of this embodiment is a male electrical connector, which has an insulating body 1 and a plurality of terminal groups. For the plug-in end 11 and the tin pin end 12, the plug-in end of the insulating body is provided with a tongue 13 which has an upper side 131 and a lower side 132, and a raised step 133 is provided on the upper side 131. 133 divides the upper side 131 of the tongue 13 into multiple sections. The plural terminal group includes a first terminal group 2, a second terminal group 3, a third terminal group 4, and a fourth terminal group 5. Among them, the first terminal group 2 and the second terminal group 3 respectively include a plurality of ground terminals. Terminals and grounding terminals are arranged at intervals according to the terminal arrangement. The grounding terminals are distributed between the signal terminals for transmitting high-speed differential signals. The grounding terminals and signal terminals conform to the terminal standards of socket connectors specified by the association. The tin pin end 12 of the insulating body is provided with a first inner sinking assembly groove 121 and a second inner sinking assembly groove 122. The first inner sinking assembly groove 121 is distributed around the periphery of the first terminal set 2, and the second inner sinking assembly groove 122 Distributed on the periphery of the second terminal group 3, a first grounding member 6 is provided in the first inner sinking assembly groove, and the first grounding member 6 is short-circuited to connect the grounding terminals of the first terminal group 2; There is a second grounding element 8, and the second grounding element 8 is short-circuited to connect the grounding terminals of the second terminal group 3; this is equivalent to increasing the area of the grounding terminals of the first terminal group 2 and the second terminal group 3 respectively. , Can make the ground terminal have a better shielding effect, reduce the crosstalk generated by the signal terminal in the signal transmission process, improve the crosstalk, and meet the high frequency.

Referring to Figures 1 to 8, in this embodiment, the first terminal group 2 is composed of a plurality of first terminals arranged in an array, and the first terminals respectively have a first contact part 21 and a first welding part 22; the first terminal group is implanted The insulating body, the first contact portion 21 is leaning on the lower side surface 132 of the tongue, and the first welding portion 22 extends flat along the corresponding side surface of the tin pin end 12 of the insulating body and exposes the tin pin end of the insulating body for subsequent welding and Detection. The overlapping part of the tin pin end 12 of the insulating body and the first welding part 22 is as long as possible, so as to increase the welding structure of the first welding part 22, improve the welding assembly quality, and meet the high frequency and high speed requirements. The second terminal group 3 is composed of a plurality of second terminals arranged in an arrangement, the second terminals respectively have a second contact part 31 and a second welding part 32; the second terminal group is implanted in the insulating body, and the second contact part 31 is leaned on the tongue On the side surface 131, the second welding portion 32 leads out the tin pin end of the insulating body and is bent. The third terminal group 4 is composed of a plurality of third terminals arranged in an arrangement. The third terminals respectively have a third contact portion 41 and a third welding portion 42; the third terminal group is implanted with an insulating body, and the third contact portion 41 is leaning against the surface of the step 133 Above, the third welding portion 42 leads out the tin pin end of the insulating body and is bent. The fourth terminal group 5 is composed of a number of fourth terminals arranged in an array, the fourth terminals respectively have a fourth contact portion 51 and a fourth welding portion 52; the fourth terminal group is implanted with an insulating body, and the fourth contact portion is leaning against the upper side of the tongue On 131, the fourth contact part of the fourth terminal group and the second contact part of the second terminal group are placed on both sides of the step 133; the fourth welding part leads out the tin pin end of the insulating body and is bent. Preferably, in this embodiment, the first terminal group 2 is composed of a forty-pin first terminal arrangement, the second terminal group 3 is composed of a seven-pin second terminal arrangement, and the third terminal group 4 is composed of a six-pin third terminal arrangement. , The fourth terminal group 5 is composed of a fifteen-pin fourth terminal arrangement. The first terminal group 2, the second terminal group 3, the third terminal group 4 and the fourth terminal group 5 are selected according to standard standards, and the conductive terminals are added to Improve the signal transmission rate, integrate the terminals with different signal definitions into one, integrate PCIe, SATA (Serial Advanced Technology Attachment), SAS (Serial Attached SCSI, serial connection SCSI interface) and SATA Express (SATA) International standard) and other four specifications of connectors; the electrical connector that meets the requirements supports at least four storage devices of PCIe, SATA, SAS and SATA Express specifications at the same time. Of course, it can be further expanded according to actual needs to meet the requirements of multiple agreements and multiple functions.

Referring to Figures 1 to 6, in this embodiment, the first grounding member 6 and the second grounding member 8 are independent conductive sheets and are made separately; the first grounding member 6 and the second grounding member 8 are embedded respectively In the corresponding first inner sink assembly groove 121 and the second first inner sink assembly groove 122, the shape and size of the corresponding inner sink assembly groove match the grounding piece, and are correspondingly distributed on the periphery of the first terminal group and the second terminal group , The first grounding member 6 and the second grounding member 8 respectively short-circuit the grounding terminals of the first terminal group and the second terminal group to realize the connection of all the different grounding terminals of the first terminal group and the second terminal group, respectively. In addition, the area of the grounding terminal is increased. This arrangement can make the grounding terminal have a better shielding effect, reduce the crosstalk generated by the signal terminal in the signal transmission process, improve the crosstalk, and meet high frequency.

Referring to Figures 7 and 8, in addition to the above-mentioned forms, the first grounding member 6 and the second grounding member 8 may also be in the form of conductive sheets, and the first grounding member 6 and the second grounding member 8 are connected as a whole, together Make. At this time, the corresponding first recessed assembly groove 121 and the second recessed assembly groove 122 respectively extend and communicate to match the first grounding member 6 and the second grounding member 8 and embedding the first terminal group and the second terminal group The short-circuit connection of all the grounding terminals of the same is equivalent to increasing the area of the grounding terminal. This setting can make the grounding terminal have a better shielding effect, reduce the crosstalk generated by the signal terminal in the signal transmission process, and improve the crosstalk. Meet the high frequency.

1 to 8, in this embodiment, the first grounding member 6 is provided with a first elastic abutting portion 61, the second grounding member 8 is provided with a second elastic abutting portion 81, the first elastic abutting The connecting portion 61 and the second elastic abutting portion 81 are used to abut the corresponding ground terminals. The first elastic abutment portion 61 and the second elastic abutment portion 81 can be obtained by stamping, and have sufficient elastic strength to ensure tight contact with the corresponding ground terminals. Furthermore: the first elastic abutment portion 61 is a ground terminal protruding from one side of the first grounding member 6 toward the first terminal group 2, and the ground terminal of the first terminal group is provided between the first inner sink assembly groove 121 There is a first communicating groove 123, the first communicating groove 123 meets the requirements of the first elastic contact portion 61 protruding to contact the ground terminal of the first terminal set 2; the second elastic contact portion 81 is formed by the second grounding member One side of 8 protrudes toward the ground terminal of the second terminal group 3. A second communication groove 124 is provided between the ground terminal of the second terminal group 3 and the second inner sink assembly groove 122. The second communication groove 124 satisfies the second The elastic contact portion 81 protrudes to contact the ground terminal of the second terminal group 3. The first elastic abutment portion 61 and the second elastic abutment portion 81 are respectively arranged on the first grounding member 6 and the second grounding member 8 according to the position of the ground terminal to be abutted, and respectively pass through the first connection The groove 123 and the second communication groove 124 align with the ground terminal to realize the internal connection of the insulating body without exposure and damage from external forces, ensuring the effectiveness and durability of the contact, and optimizing the product assembly process and improving product assembly quality.

1 to 8, in this embodiment, the second welding portion 32, the third welding portion 42, and the fourth welding portion 52 are bent to form a row, which is convenient for welding and assembly; The material width of the bending part of the welding part 42 and the fourth welding part 52 is larger than the material width of the solder bit, which reduces the impedance and makes the connector more compatible with the high frequency requirements of the system. The upper side 131 and the lower side 132 of the tongue 13 are respectively provided with grooves 134 for receiving the first contact portion 21, the second contact portion 31, the third contact portion 41, and the fourth contact portion 51. The first contact portion The ends of the second contact portion, the third contact portion, and the fourth contact portion are provided with chamfered portions, which are inserted into the locking portion 135 of the groove extension structure, the first contact portion 21, the second contact portion The ends of 31 and the fourth contact portion 51 are processed to narrow the width to increase the impedance, so that the connector can better match the high frequency requirements of the system. The insulating main body 1 is a flat design, and is provided with wings 14 at both ends of the tongue. The wings 14 are provided with positioning posts 7 to facilitate upper plate welding.

Refer to Figures 1-8, the assembly steps of the electrical connector provided in this creation are as follows: Step 1: Assemble the grounding piece and insert it into the sink assembly slot; Step 2: Riveting the grounding piece so that the grounding piece is firmly fixed in the sink assembly groove; Step 3: Assemble the positioning column, insert the positioning column into the rubber core, preferably the positioning column is a copper column, and form it on the material belt; Step 4: Riveting the positioning column and removing the material tape; Step 5: Assemble the first terminal group, and implant the corresponding terminal hole on the insulating body; Step 6: Riveting the first terminal group and removing the tape; Step 7: Assemble the second terminal group and the fourth terminal group, and implant the corresponding terminal holes on the insulating body; Step 8: Riveting the second terminal group and the fourth terminal group, and remove the tape; Step 9: Assemble the third terminal group, implant the corresponding terminal hole on the insulating body; Step 10: Riveting the third terminal group and removing the tape; Step 11: Assemble the suction cover for subsequent processes.

This creation increases the signal transmission rate by adding conductive terminals, integrates terminals with different signal definitions, and integrates PCIe, SATA (Serial Advanced Technology Attachment), SAS (Serial Attached SCSI, serial connection) Four types of connectors such as SCSI interface) and SATA Express (SATA international standard); at the same time, by adding grounding parts to short-circuit different grounding terminals, it is equivalent to increasing the area of the grounding terminal. This configuration can make the grounding terminal better The masking effect reduces the crosstalk generated by the signal terminal during the signal transmission process, improves the crosstalk, meets high frequency, supports the transmission of signals with a rate of 12GT/s, and is suitable for servers, external storage systems, hard disk drives/ Hard disk trays, blade processors and stackable cards are versatile and can better meet customer needs.

Although the preferred specific embodiments of the present creation are described above in conjunction with the accompanying drawings, the present creation should not be limited to the same structure and operation as the above description and accompanying drawings. For those skilled in the art, it will not exceed Many equivalent improvements and changes can be made to the above embodiments through logical analysis, reasoning, or limited experiments under the concept and scope of this creation, but these improvements and changes should all fall within the scope of protection required by this creation.

1: Insulating body 2: The first terminal group 3: The second terminal group 4: The third terminal group 5: The fourth terminal group 6: The first grounding piece 7: Positioning column 8: The second grounding piece 11: Socket end 12: Tin pin end 13: Tongue 14: Wing 21: The first contact 22: The first welding part 31: second contact 32: The second welding part 41: Third Contact 42: The third welding part 51: The fourth contact 52: The fourth welding part 61: First elastic abutment part 81: second elastic abutment part 121: The first inner sink assembly slot 122: second inner sink assembly slot 123: The first connecting groove 124: Second communicating groove 131: upper side 132: lower side 133: step 134: Groove 135: card slot department

Figure 1 is a schematic diagram of the first implementation structure of the creation; 2 is a schematic diagram of the front structure of the embodiment in FIG. 1; 3 is a schematic diagram of the back structure of the embodiment in FIG. 1; 4 is an enlarged schematic diagram of a partial structure of the embodiment of FIG. 3; FIG. 5 is an exploded schematic view of the structure of the embodiment in FIG. 1; 6 is a schematic diagram of the internal structure of the embodiment in FIG. 1; Figure 7 is an exploded schematic diagram of the second implementation structure of the creation; FIG. 8 is a schematic diagram of the back structure of the embodiment in FIG. 7.

1: Insulating body

7: Positioning column

11: Socket end

12: Tin pin end

13: Tongue

14: Wing

31: second contact

32: The second welding part

41: Third Contact

42: The third welding part

51: The fourth contact

52: The fourth welding part

131: upper side

132: lower side

133: step

Claims (9)

An electrical connector has at least an insulating body and a plurality of terminal groups, wherein: the insulating body is provided with a plug end and a tin pin end facing opposite to each other; the plug end of the insulating body is provided with a tongue, and the tongue It has an upper side and a lower side. A raised step is provided on the upper side. The step divides the upper side of the tongue into multiple sections; the plural terminal group includes a first terminal group, a second terminal group, a third terminal group and a fourth terminal The first terminal group and the second terminal group include a plurality of grounding terminals, the tin pin end of the insulating body is provided with first and second sinker assembly slots, the first sinker assembly slots are distributed in the first terminal The second inner sink assembly groove is distributed around the periphery of the second terminal group, the first inner sink assembly groove is provided with a first grounding piece, and the first grounding piece is short-circuited to the ground terminal of the first terminal group; A second grounding member is provided in the sink assembly groove, and the second grounding member is short-circuited to the ground terminal of the second terminal group; The first terminal group is composed of a plurality of first terminals arranged in an array. The first terminals respectively have a first contact part and a first welding part; the first terminal group is implanted in the insulating body, and the first contact part leans on the lower side of the tongue, The first welding portion extends flatly along the corresponding side surface of the tin pin end of the insulating body and exposes the tin pin end of the insulating body; The second terminal group is composed of a plurality of second terminals arranged in an array, and the second terminals respectively have a second contact part and a second welding part; the second terminal group is implanted in the insulating body, and the second contact part leans on the upper side of the tongue, The second welding part leads out and bends the tin pin end of the insulating body; The third terminal group is composed of a plurality of third terminals arranged in an arrangement, the third terminals respectively have a third contact part and a third welding part; the third terminal group is implanted in the insulating body, and the third contact part leans on the surface of the step, and the third The soldering part leads to the tin pin end of the insulating body and bends; The fourth terminal group is composed of a plurality of fourth terminals arranged in an array, and the fourth terminals respectively have a fourth contact part and a fourth welding part; the fourth terminal group is implanted in the insulating body, and the fourth contact part leans on the upper side of the tongue, The fourth contact part of the fourth terminal group and the second contact part of the second terminal group are arranged on both sides of the step; the fourth welding part leads out the tin pin end of the insulating body and is bent. The electrical connector according to claim 1, wherein the first grounding member and the second grounding member are independent conductive sheets. The electrical connector according to claim 1, wherein the first grounding piece and the second grounding piece are both conductive sheets, and the first grounding piece and the second grounding piece are connected as a whole, and the first inner sinking assembly groove Correspondingly extend and communicate with the second inner sink assembly groove. An electrical connector according to claim 2 or 3, wherein the first grounding member is provided with a first elastic contact portion, the second grounding member is provided with a second elastic contact portion, and the first elastic contact The portion and the second elastic abutting portion are used for abutting the corresponding ground terminal. The electrical connector according to claim 4, wherein the first elastic abutting portion is a ground terminal of the first terminal group protruding from one side of the first grounding member, and the ground terminal of the first terminal group is connected to the first terminal group. A first communicating groove is provided between the inner sink assembly grooves, and the first communicating groove meets the requirement that the first elastic abutting portion protrudes and abuts against the ground terminal of the first terminal group; the second elastic abutting portion is formed by the second One side of the grounding piece protrudes toward the ground terminal of the second terminal group, a second communication groove is provided between the ground terminal of the second terminal group and the second inner sink assembly groove, and the second communication groove satisfies the second elastic contact portion The protrusion abuts against the ground terminal of the second terminal group. The electrical connector according to claim 1, wherein the second welding part, the third welding part, and the fourth welding part are bent to form a row, and the second welding part, the third welding part, and the fourth welding part The material width of the bent part is greater than the material width of the solder bit. The electrical connector according to claim 1, wherein the upper side and the lower side of the tongue are respectively provided with recesses for receiving the first contact portion, the second contact portion, the third contact portion, and the fourth contact portion. Groove, the ends of the first contact portion, the second contact portion, the third contact portion, and the fourth contact portion are provided with chamfered portions, and the chamfered portions are inserted into the retaining portions of the groove extending structure, the first contact portion, The ends of the second contact portion and the fourth contact portion are processed to narrow the width. The electrical connector according to claim 1, wherein the insulating body is a flat design, and wings are provided at both ends of the tongue, and the wings are provided with positioning posts. An electrical connector according to claim 1, wherein the electrical connector supports at least four storage devices of PCIe, SATA, SAS and SATA Express specifications at the same time.

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