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SFF-SIG (Small Form Factor Special Interest Group) is a Standards family primarily focused on the development of modular embedded computers and controllers.

Many SFF-SIG specifications utilize proven interfaces such as PCI Express® and USB when defining single-board systems and COM (computer-on-module) form factors.

sff sig logo

SUMIT

SUMIT is an electromechanical connectorization specification that enables all common serial and legacy chipset expansion busses for next generation products. It is a stackable, I/O-centric, serial expansion approach that is independent of any particular board form factor. It supports PCIe, USB, LPC, SMBus, and ExpressCard signals on a single high-speed connector.

sumit logo

Samtec's Q2™ connectors are compliant to the SUMIT standard.

  • ASP-129637-01 – QMS Series: Male connector for 15.24 mm stack height
  • ASP-129646-01 – QFS Series: Female connector for 15.24 mm stack height
  • ASP-142781-01 – QMS Series: Male connector for 22 mm stack height

Samtec also offers precision machined standoffs to limit the impact of tolerance stack up issues in embedded applications.

qfs qms elevated

XR-DIMM

The XR-DIMM ("eXtreme Rugged Dual Inline Memory Module") Rugged Memory Specification defines a small form factor mezzanine DDR3/DDR4 expansion memory module for use in embedded applications requiring exceptional resistance.

Samtec's BSH/BTH connectors are compliant to the XR-DIMM standard.

  • Module Side: BSH-120-01-X-D-A
  • CPU Board Side: BTH-120-01-X-D-A

xr-dimm rugged memory

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