DIMM Sockets

DIMM sockets are a part of printed circuit boards, designed for use in personal computers, servers and workstations. The DIMM (dual inline memory module) is mounted on the circuit board using the DIMM socket. DIMMs are the dominant form of memory used in computing.


What are DIMMs?


DIMMs are memory modules that are composed of a series of dynamic, random-access memory (RAM) integrated circuits. They have two separate electrical contacts on either side, and a 64-bit path. 


Types of DIMM sockets


DIMM sockets have to conform to the needs of the system that they are used in. Therefore, the different types of socket may vary according to the number of pins. This depends on the type of RAM being supported by the DIMM, from DDR to DDR4. Generally, the more pins or contacts, the higher the type of RAM supported. For example, a 240-pin DIMM might be used for DDR2 SDRAM, while a 288-pin DIM might be used for DDR4 SDRAM.


DIMM sockets can also vary based on orientation – this can be angled, horizontal or vertical, and usually depends on the space constraints or the model of the computer.


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Description Price Body Orientation Contact Material Contact Plating Number of Contacts Pitch Mounting Type Termination Method Housing Material SDRAM Type Latching Row Spacing Maximum Contact Resistance Current Rating Maximum Operating Temperature
RS Stock No. 178-9938
Mfr. Part No.78730-1002
BrandMolex
TWD652.50
Each (In a Tray of 120)
units
Vertical Copper Alloy Gold over Nickel, Tin over Nickel 288 0.85mm Surface Mount Solder Nylon DDR4 Yes 0.85mm 10mΩ 750mA +85°C
RS Stock No. 896-2287
Mfr. Part No.151080-0101
BrandMolex
TWD943.00
Each
units
Right Angle Copper Alloy Gold over Nickel (Mating), Tin over Nickel (Termination) 288 0.85mm PCB Mount Through Hole Glass Filled Polyamide DDR4 Yes 1.58mm - 750mA +85°C
RS Stock No. 161-7965
Mfr. Part No.151080-0101
BrandMolex
TWD723.60
Each (In a Tray of 12)
units
Right Angle Copper Alloy Gold over Nickel (Mating), Tin over Nickel (Termination) 288 0.85mm PCB Mount Through Hole Glass Filled Polyamide DDR4 Yes 1.58mm - 750mA +85°C
RS Stock No. 179-1982
Mfr. Part No.78730-1002
BrandMolex
TWD944.00
Each
units
Vertical Copper Alloy Gold over Nickel, Tin over Nickel 288 0.85mm Surface Mount Solder Nylon DDR4 Yes 0.85mm 10mΩ 750mA +85°C
RS Stock No. 821-6149
Mfr. Part No.87782-2001
BrandMolex
TWD585.00
Each
units
- Copper Alloy Gold 244 0.6mm Surface Mount Solder Glass Filled Polymer DDR2 Yes - - 1A +85°C
RS Stock No. 167-6410
Mfr. Part No.787261002
BrandMolex
TWD627.90
Each (In a Tray of 60)
units
Straight Copper Alloy Gold over Nickel 288 0.85mm Through Hole - Polyamide DDR4 Yes - - 750mA +85°C
RS Stock No. 795-8183
Mfr. Part No.787261002
BrandMolex
TWD732.00
Each
units
Straight Copper Alloy Gold over Nickel 288 0.85mm Through Hole - Polyamide DDR4 Yes - - 750mA +85°C