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AMD Ryzen Threadripper PRO 9955WX Processor
16 Cores I 32 Threads I Zen 5 I Up to 5.4 GHz
Unleash Precision Performance with the AMD Ryzen Threadripper PRO 9955WX. With 16 high-frequency Zen 5 cores and a 4.5 GHz base clock, this processor is perfect for professionals who need workstation-class reliability and blazing-fast responsiveness for lightly threaded and creative workloads.
9955WX Specifications
General Specifications
Name: AMD Ryzen Threadripper PRO 9955WX
Family: Ryzen Threadripper PRO
Series: 9000 WX-Series
Form Factor: Desktop
Codename: Shimada Peak
Architecture: Zen 5
AMD PRO Technologies: Yes
Regional Availability: Global
CPU Specifications
Cores / Threads: 16 / 32
Base Clock: 4.5 GHz
Max Boost Clock: Up to 5.4 GHz
L1 Cache: 1280 KB
L2 Cache: 16 MB
L3 Cache: 64 MB
TDP: 350W
Unlocked for Overclocking: Yes
Manufacturing Technology
CPU Core Technology: TSMC 4nm FinFET
I/O Die Technology: TSMC 6nm FinFET
Package Die Count: 3
Socket & Chipset
CPU Socket: sTR5
Supported Chipsets: WRX90, TRX50, Pro 695
Memory Support
Type: DDR5 (RDIMM)
Channels: 8
Max Speed: Up to 6400 MT/s
ECC Support: Yes (Default Enabled)
AMD EXPO Memory Overclocking: Yes
Product IDs
Tray: 100-000000725
Connectivity & Expansion
USB: 4 × USB 3.2 Gen 2 (10Gbps)
SATA: 4 native ports
PCIe Version: 5.0
Native PCIe Lanes: 148 total (144 usable, 128 PCIe 5.0)
NVMe Support: Boot, RAID 0/1/5/10
Security & Virtualization
DASH Support: Yes
AMD Memory Guard: Yes
AMD Secure Processor: Yes
Windows & UEFI Secure Boot: Yes
Device Guard & VBS: Yes
Secured-Core PC Support: Yes
Firmware TPM: Yes
AMD-V (SVM) & Nested Paging: Yes
AMD AVIC (Interrupt Virtualization): Yes
AMD-Vi (I/O MMU): Yes
Second Level Address Translation (SLAT): Yes
AES-NI Encryption: Yes
NX Bit (Enhanced Virus Protection): Yes
FIPS Certification: In Review
Supported Technologies
AMD EXPO Technology
AMD PRO Technologies
AMD Ryzen Technologies
Additional information
Compact Power, Built for Precision: AMD Ryzen Threadripper PRO 9955WX
The AMD Ryzen Threadripper PRO 9955WX offers a compelling balance of high clock speeds, enterprise-grade stability, and platform expandability—making it the perfect workstation CPU for professionals who prioritize responsiveness, security, and creative throughput. Built on the advanced Zen 5 architecture, the 9955WX features 16 cores, 32 threads, and a base clock of 4.5 GHz, making it the highest-frequency processor in the Threadripper PRO 9000 lineup. It’s the ideal choice for professionals working in single-threaded or lightly-threaded applications that demand fast feedback and high-performance consistency.
Whether you’re a CAD engineer, software developer, post-production editor, or 3D designer, this processor is optimized to keep your system highly responsive—even under load. Its aggressive base and boost clocks ensure that your workflow stays fluid, while the 64MB L3 cache and support for DDR5 memory up to 6400 MT/s help eliminate data bottlenecks across demanding workloads. The 9955WX is also unlocked for overclocking, giving enthusiasts and power users the ability to fine-tune performance to fit their exact needs.
Engineered for reliability, the 9955WX supports ECC memory by default and features 128 PCIe 5.0 lanes, enabling lightning-fast connectivity to high-end GPUs, NVMe storage arrays, and other workstation-grade components. This scalability makes it a solid foundation for visual effects studios, simulation workstations, AI model deployment environments, and more.
Perfect for Workflow-Focused Professionals
- CAD & Industrial Design: Deliver smoother navigation in large assemblies, faster generation of 2D/3D drawings, and improved precision for engineering simulations.
- Post-Production & Editing: Enable seamless playback, faster rendering, and low-latency timeline adjustments in applications like Adobe Premiere Pro, DaVinci Resolve, and After Effects.
- Scientific Research & Data Analysis: Achieve quicker compile times and smoother execution of sequential operations common in software development and scientific computing.
- AI Workflows: Efficiently handle local inferencing and integration of generative AI models into design pipelines without costly cloud compute cycles.
Built on a Proven Workstation Platform
The 9955WX isn’t just powerful—it’s designed to thrive in enterprise environments. It comes equipped with AMD PRO technologies including DASH manageability, AMD Memory Guard, firmware TPM, and compliance with Windows Secured-Core PC standards. For IT-managed deployments, the chip supports remote configuration, encryption-based security, and long-term platform validation—making it a dependable choice for professional studios and secure institutions alike.
With native support for USB 3.2 Gen 2, SATA, and expansive memory channels, the platform gives you flexibility and headroom to scale as your workload grows. Whether your priority is reduced latency, simplified deployment, or consistent productivity under load, this processor delivers on every front.
A Workstation CPU That’s Built to Last
With 18 months of planned software stability and 24 months of guaranteed availability, the AMD Ryzen Threadripper PRO 9955WX is built for longevity in commercial environments. Its 350W TDP and robust thermal handling ensure that your system remains cool and efficient, even during intense processing sessions. This makes it a perfect choice for creative agencies, engineering firms, and teams deploying high-performance desktop systems at scale.