AMD Ryzen Threadripper PRO 9955WX Zen 5 Workstation Processor 16-Core 32-Thread 4.5GHz up to 5.4GHz sTR5 64MB Cache 350W
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AMD
AMD Ryzen Threadripper PRO 9955WX Zen 5 Workstation Processor 16-Core 32-Thread 4.5GHz up to 5.4GHz sTR5 64MB Cache 350W
€2112.87 inc. VAT
100-100000725WOF
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AMD Ryzen Threadripper PRO 9955WX Workstation Processor
Zen 5 · Shimada Peak · Socket sTR5 (WRX90) · Boxed without cooler
16-Core / 32-ThreadUp to 5.4 GHz64 MB L3 Cache8-Channel DDR5-6400 ECC
The AMD Ryzen Threadripper PRO 9955WX is a Zen 5 (Shimada Peak) professional workstation processor with 16 cores and 32 threads, a 4.5 GHz base clock that boosts to 5.4 GHz, 64 MB of L3 cache and full 8-channel DDR5-6400 ECC memory support — the entry point into AMD’s latest PRO workstation platform, pairing strong per-core speed with massive memory and PCIe 5.0 bandwidth. Supplied boxed without a cooler (part number 100-100000725WOF, EAN 0730143317603). Typically in stock with fast delivery across Cyprus.
Compatibility — read before you buy
This is a professional workstation processor for the AMD Socket sTR5 (WRX90 chipset) PRO platform — it requires a WRX90 motherboard and is not compatible with consumer AM4/AM5 or the non-PRO TRX50 boards. It supports 8-channel registered ECC DDR5-6400 up to 2 TB and provides 128 PCIe 5.0 lanes. With a 350W TDP it ships without a cooler and requires a high-performance sTR5 liquid or air cooler.
Best For
✓Professional CAD & 3D workstations
✓Video editing & VFX rendering
✓Multi-GPU compute & AI dev
✓High-memory simulation
✓Large software compilation
✓Content-creation studios
Key Features
16 Cores, 32 Threads
Sixteen Zen 5 cores with SMT and up to 5.4 GHz deliver strong multi-threaded performance plus high per-core speed for professional workloads.
8-Channel DDR5-6400 ECC
Full 8-channel registered ECC DDR5-6400 support (up to 2 TB) provides enormous memory bandwidth and capacity with error correction for data-integrity-critical work.
128 PCIe 5.0 Lanes
A massive 128 PCIe 5.0 lanes allow multiple GPUs, NVMe arrays and high-speed cards simultaneously — ideal for professional multi-accelerator rigs.
PRO Manageability & Security
Threadripper PRO adds AMD PRO management, security and memory-guard features for enterprise workstation deployments.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
The Threadripper PRO 9955WX is the entry into AMD’s latest Zen 5 PRO workstation range — 16 high-clocked cores with full 8-channel DDR5-6400 and 128 PCIe 5.0 lanes suit professionals who value strong per-core speed plus huge memory and I/O over raw core count. For more cores the 9965WX (24-core), 9975WX (32-core) and 9995WX (96-core) scale up on the same WRX90 platform. Pair it with registered ECC DDR5 memory across all eight channels for maximum bandwidth.
Buyer's Guide
Buy it if
You want a professional WRX90 workstation with strong per-core Zen 5 speed, 8-channel ECC DDR5-6400 memory, 128 PCIe 5.0 lanes and PRO features.
Skip it if
You want a gaming or mainstream desktop CPU (a Ryzen 9 is far cheaper), or you do not need the memory and PCIe capacity of the WRX90 platform.
Also consider
The Threadripper PRO 9965WX (24 cores), 9975WX (32 cores) or 9995WX (96 cores) for more compute on the same platform.
Features - AMD - 100-100000725WOF
CPU Socket
- Socket sTR5
More Details
Product Code
04:558587
EAN Code
0730143317603
Manufacturer
AMD
Technical specifications
CPU Type
- AMD Ryzen Threadripper