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AMD Ryzen Threadripper PRO 9955WX Processor – 64-Core, 128-Thread sTR5 Workstation CPU, 4.5GHz Base / 5.4GHz Boost, Retail Version for Extreme Professional Workloads
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- Stock: In Stock
- Brand: AMD
- Model: 100-000000725
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AMD Ryzen™ Threadripper™ PRO 9955WX
High-end workstation CPU with 16 cores and 32 threads, Zen 5 architecture, up to 5.4 GHz boost, advanced memory support, and professional-grade connectivity for demanding workloads.
KEY FEATURES
- 16 CPU cores and 32 threads for powerful multitasking and workstation tasks.
- Boost clock up to 5.4 GHz, base clock 4.5 GHz.
- Cache: L1 1280 KB, L2 16 MB, L3 64 MB for fast computation.
- Supports AMD EXPO™ memory overclocking, Precision Boost Overdrive, unlocked for overclocking.
- Zen 5 cores on TSMC 4nm FinFET; I/O die on TSMC 6nm FinFET.
- Supports 8-channel DDR5 RDIMM memory up to 6400 MT/s with ECC enabled by default.
- sTR5 socket with WRX90, TRX50, Pro 695 chipsets support.
- PCIe 5.0 with 148 lanes (128 usable), discrete graphics card required.
- Advanced security features: AMD Memory Guard, Secure Processor, Firmware TPM, and virtualization support.
SPECIFICATIONS
| Feature | Specification |
|---|---|
| Family / Series | Ryzen Threadripper PRO / 9000 WX-Series |
| Form Factor | Desktops |
| AMD PRO Technologies | Yes |
| Processor Architecture | Zen 5 |
| CPU Cores / Threads | 16 / 32 |
| Base Clock / Boost Clock | 4.5 GHz / Up to 5.4 GHz |
| Cache | L1: 1280 KB / L2: 16 MB / L3: 64 MB |
| TDP | 350W |
| Package Die Count | 3 |
| CPU Socket | sTR5 |
| Boost Technology | Precision Boost 2 |
| Instruction Set / Extensions | x86-64, AES, AMD-V, AVX, AVX2, AVX512, FMA3, MMX-plus, SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| Thermal Solution | Not Included (liquid cooler recommended) |
| Max Operating Temp (Tjmax) | 95°C |
| OS Support | Windows 10/11 64-bit, Ubuntu, RHEL |
| Memory | DDR5, 8 channels, RDIMM, up to 6400 MT/s, ECC enabled |
| Connectivity | 4× USB 3.2 Gen2, 4× SATA, PCIe 5.0, 148 lanes (128 usable) |
| NVMe Support | Boot, RAID0/1/5/10 |
| Graphics | Discrete Graphics Card Required |
| Security & Virtualization | AMD Memory Guard, Secure Processor, Firmware TPM, VBS, SLAT, AMD-V/i, AES-NI, NX bit |
| Product ID | 100-000000725 |
| Supported Technologies | AMD EXPO™, AMD PRO technologies, AMD Ryzen™ Technologies |
PROFESSIONAL WORKSTATION POWER
The AMD Ryzen™ Threadripper™ PRO 9955WX combines high core count, Zen 5 architecture, ECC memory, advanced connectivity, and enterprise-grade security for demanding professional workloads.




