In March 2017, with the launch of its new Zen processors, AMD used the AM4 socket that they had previously used with their Bristol Ridge (derived from Excavator) powered 展开

• Supports DDR5 in dual-channel configuration. DDR4 is not supported, unlike Intel's LGA 1700 socket.
• Support for PCIe 5.0 lanes from the CPU on X870E, X870, X670E and B650E chipsets.
• Achieves … 展开

• Socket sTR5, a socket for AMD HEDT and workstation CPUs
• Socket SP5, a socket for AMD server CPUs 展开

The AM5 socket specifies the 4 holes for fastening the heatsink to the motherboard to be placed at the corners of a rectangle with a lateral length of 54×90 mm, as well as UNC #6-32 screw threads for the backplate, identical to those of the preceding AM4 socket. … 展开