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AMD EPYC Embedded 9555P processor chip photo
AMD

AMD EPYC Embedded 9555P

View on amd.com
Brand:
AMD
Form Factor:
Embedded
CPU Socket:
SP5
Core/Thread Count:
64C/128T
TDP:
360W
CPU Series:
EPYC Embedded 9005 Series

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Manufacturer: AMD Last updated: October 9, 2026

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AMD EPYC Embedded 9555P Review

AMD EPYC Embedded 9555P embedded processor, 64C/128T 3.2 GHz base clock, boosting up to 4.4 GHz, 360W TDP, SP5 platform.

The AMD EPYC Embedded 9555P is an AMD embedded processor in the EPYC Embedded 9005 Series lineup, built on the SP5 platform. It offers 64C/128T at 3.2 GHz base clock, boosting up to 4.4 GHz within a 360W power envelope. Designed for long-lifecycle embedded and industrial designs rather than consumer desktops, it targets systems needing extended availability and predictable performance.

Performance and Architecture

With 64C/128T, the AMD EPYC Embedded 9555P runs 3.2 GHz base clock, boosting up to 4.4 GHz. Cache totals 256 MB L3. As an embedded part, it targets industrial, networking, and edge-compute designs that need long-term supply stability.

Platform and Connectivity

The AMD EPYC Embedded 9555P is built for the SP5 infrastructure, supporting 1P socket configurations.

Comparison to Alternatives

Within this catalog's embedded listings, the AMD EPYC Embedded 9555P sits alongside other EPYC Embedded parts, differentiated mainly by core count, clock speed, and TDP. Buyers should weigh this against consumer desktop or server parts only when long-lifecycle embedded availability matters more than raw price or upgrade cadence.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Industrial and embedded system designs
  • Long-lifecycle networking and edge-compute deployments
  • Designs requiring extended part availability

Not for

  • Consumer desktop or gaming builds
  • DIY PC upgrades
  • Budget-focused general-purpose systems

Specifications

What these specs mean

Identity

BrandAMD
Model Number9555P
Product FamilyEPYC Turin
Release Year2025
SegmentData Center

Cores and threads

Core Count64 cores
Thread Count128 threads
Core ArchitectureZen 5
SMT SupportYes

Clocks

Base Clock3.2 GHz
Boost Clock4.4 GHz

Cache

L3 Cache256 MB
3D V-CacheNo

Platform

SocketSP5
Multi-Socket Support1P

Memory

Memory Channels12 channels
Memory TypeDDR5 RDIMM
Max Memory Speed6000 MT/s
Max Memory Capacity9 TB
ECC SupportYes
Registered Memory RequiredYes

PCIe and IO

PCIe Lanes128 lanes
PCIe GenerationPCIe 5.0
CXL SupportCXL 2.0

Power and thermals

TDP360 W

Accelerators and security

Integrated GraphicsNo
AVX-512 SupportYes
AMX SupportNo
Memory EncryptionAMD SEV-SNP

Manufacturing

Process Node4 nm
Chiplet DesignYes
CPU SocketSP5

FAQs

What are the key specifications of the AMD EPYC Embedded 9555P?

The AMD EPYC Embedded 9555P has 64 cores and 128 threads, a 3.2 GHz base and 4.4 GHz boost clock, 256 MB of L3 cache and a 360 W TDP. It has no integrated graphics, so it needs a graphics card. Socket: SP5.

Who is the AMD EPYC Embedded 9555P best suited to?

Best suited to: Industrial and embedded system designs; Long-lifecycle networking and edge-compute deployments; Designs requiring extended part availability.

What are the drawbacks of the AMD EPYC Embedded 9555P?

Not the best fit for: Consumer desktop or gaming builds; DIY PC upgrades; Budget-focused general-purpose systems.

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