For installing Noctua DX-4677, DX-4189, DX-3647 and TR4-SP3 CPU coolers on AMD SP6/sTR5 sockets Supports AMD SP6 socket for Epyc 8004 line server CPUs as well as sTR5 socket for 7000 series Threadripper (Pro) HEDT and workstations processors (TRX50/WRX90 chipsets, e.g. 7995WX, 7985WX, 7980X, 7970X, 7960X) Easy, straightforward installation with included mounting tool For Noctua DX-4677, DX-4189, DX-3647 and TR4-SP3 heatsinks only, incompatible with any other Noctua CPU cooler Trusted SecuFirm2 quality