The Ryzen Threadripper PRO 3955WX is a 16-core, 32-thread workstation CPU on socket sWRX8 with 64 MB of L3 cache and a 3.9 GHz base clock. It is built for professional workstations: 128 PCIe 4.0 lanes, 8-channel memory support, and full ECC memory compatibility set it apart from mainstream desktop chips. It suits CAD, rendering, simulation and multi-GPU builds where memory bandwidth and lane count matter more than peak clock speed. Against the 32-core 3975WX it trades core count for higher clocks and lower power draw, and against consumer Ryzen it costs more but unlocks far more I/O and memory capacity.
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Owners rate it highly as a workstation chip, praising its stability under sustained multithreaded loads and its memory and PCIe headroom. Complaints center on platform cost, the need for a separate cooler and GPU, and modest single-thread gains over cheaper desktop CPUs.
The AMD Ryzen Threadripper PRO 3955WX is a 16-core processor with 32 threads. It runs at 3.9 GHz and has 64 MB of cache.
It uses the sWRX8 socket. This is an OEM version.
