Technical Snapshot

The AMD Ryzen™ Threadripper™ PRO 9955WX is a workstation processor for the sTR5 platform, based on the Shimada Peak architecture (TSMC 4nm FinFET). It features 16 cores and 32 threads, with a base frequency of 4.50 GHz and boost up to 5.40 GHz. The CPU has 64 MB of L3 cache with a 350 W TDP. Memory support includes DDR5.

Use Case
Professional workstations
Compatibility
sTR5 motherboard
Category
Workstation Processor — Ryzen Threadripper PRO (Ryzen Threadripper PRO 9000 WX-Series)
AMD Ryzen™ Threadripper™ PRO 9955WX
AMD PRODUCT
AMD

AMD Ryzen™ Threadripper™ PRO 9955WX (100-100000725WOF)

16-Core 32-Thread @ 5.40 GHz | sTR5

Total CPU cores. Unlocked for overclocking.
Cores16
Maximum boost clock frequency under AMD Precision Boost.
Max Boost5.40 GHz
L3 cache for fast data access during gaming and compute workloads.
L3 Cache64 MB
Default TDP (350 W). Ensure adequate cooling for sustained boost operation.
TDP350W
MPN100-100000725WOF
PackageBox
CategoryWorkstation Processors
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Last updated: 2026-08-28

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Full Specifications

Manufacturer-verified specifications (Manufacturer-Verified (MV-1) · Source: AMD.com)

Processor Architecture
FamilyRyzen Threadripper PRO
SeriesRyzen Threadripper PRO 9000 WX-Series
CodenameShimada Peak
Cores / Threads16 / 32
LithographyTSMC 4nm FinFET
SocketsTR5
Performance
Base Clock4.50 GHz
Max Boost Clock5.40 GHz
UnlockedYes
Cache
L3 Cache64 MB
L2 Cache16 MB
L1 Cache1280 KB
Memory
Memory TypeDDR5
Channels8
ECC MemoryYes
Platform
Scalability1S
Thermal & Power
TDP350 W
Connectivity
PCIe Version5.0
Product Information
Launch Date07/23/25
Ordering Code100-100000725WOF
PackageBox

Support & Downloads

Latest Drivers & SoftwareVisit AMD for the latest updates
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AMD Ryzen™ Threadripper™ PRO 9955WX DocumentationPDF · Installation guide and specifications
AMD Support →
← Back to AMD Workstation CPU Catalog

Frequently Asked Questions

What socket does the AMD Ryzen™ Threadripper™ PRO 9955WX use?

The AMD Ryzen™ Threadripper™ PRO 9955WX uses the sTR5 socket.

What memory does the AMD Ryzen™ Threadripper™ PRO 9955WX support?

The AMD Ryzen™ Threadripper™ PRO 9955WX supports DDR5.

How many cores and threads does the AMD Ryzen™ Threadripper™ PRO 9955WX have?

The AMD Ryzen™ Threadripper™ PRO 9955WX has 16 cores and 32 threads with a max boost clock of 5.40 GHz.

What is the TDP of the AMD Ryzen™ Threadripper™ PRO 9955WX?

The AMD Ryzen™ Threadripper™ PRO 9955WX has a default TDP of 350 W.

Is the AMD Ryzen™ Threadripper™ PRO 9955WX unlocked for overclocking?

Yes, the AMD Ryzen™ Threadripper™ PRO 9955WX is unlocked and supports overclocking.

JSON-LD Structured Data — Product + FAQ + Breadcrumb 
Product: AMD Ryzen™ Threadripper™ PRO 9955WX
MPN: 100-100000725WOF
Schemas: Product + BreadcrumbList
Properties: 13 additionalProperty entries