[1] It supports the Zen 4-based Ryzen Threadripper 7000 series, which launched in November 2023.

This is unlike the preceding (3000 and 5000 series) generations of Ryzen Threadripper / Threadripper Pro processors, which were on separate sockets, sTRX4 and sWRX8 respectively.

[1] Socket sTR5 supports DDR5 memory of the RDIMM type with ECC, as well as PCIe 5.0.

It does not support non-registered DIMMs, non-ECC RAM, or DDR4.

[3] The maximum number of memory channels is 8 and the maximum number of PCIe 5.0 lanes is 128 with a Threadripper PRO CPU and a WRX90 motherboard.