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Square green CPU with gold contacts and silver heat spreader

AMD

AMD 25PSA-4A6301-A0R EPYC 4545P server processor

SKU CH-YVGY-Q10BA MPN 25PSA-4A6301-A0R

16-core EPYC server processor for Socket AM5, 3.0 GHz base, 5.4 GHz boost, 64 MB L3 cache, DDR5-5600 support, 65 W TDP

  • NameEPYC 4545P
  • Processor Architecturex86-64
  • CPU Socket TypeSocket AM5
  • Core NameZen 5
  • # of Cores16-Core
  • # of Threads32
  • 16 cores and 32 threads handle parallel workloads
  • 4 GHz max turbo accelerates single-thread bursts
  • 64 MB L3 cache keeps hot data on-die
  • 65 W TDP limits heat in dense racks
  • DDR5-5600 controller feeds cores with high bandwidth

Socket AM5 server processor

The AMD EPYC 4545P is a 16-core, 32-thread server CPU built on the Zen 5 architecture for the AM5 platform. It targets single-socket deployments that need high core density within a 65 W thermal envelope. Integrated graphics are absent, so a discrete GPU or headless operation is required.

64 MB L3 cache

A 64 MB L3 cache feeds the 16 Zen 5 cores to reduce latency on memory-bound workloads. The integrated memory controller runs DDR5 at 5600 MT/s, and PCI Express 5.0 lanes are available for high-throughput storage or networking cards. Scalability is limited to one processor per system.

65 W TDP

Thermal design power is rated at 65 W, with a base frequency of 3.0 GHz and a maximum turbo of 5.4 GHz. The 5 nm manufacturing process helps keep power draw modest under sustained load. Cooling solutions must handle the rated dissipation without exceeding socket clearance limits.

Highlights

  • 16 cores and 32 threads handle parallel workloads
  • 4 GHz max turbo accelerates single-thread bursts
  • 64 MB L3 cache keeps hot data on-die
  • 65 W TDP limits heat in dense racks
  • DDR5-5600 controller feeds cores with high bandwidth

Specifications

BrandAMD
SeriesAMD EPYC 4005
NameEPYC 4545P
Model4545P
Part Number100-100001764
Processor Architecturex86-64
CPU Socket TypeSocket AM5
Core NameZen 5
# of Cores16-Core
# of Threads32
Operating Frequency3.0 GHz
Max Turbo Frequency5.4 GHz
L3 Cache64MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech5 nm
Integrated Memory Controller SpeedDDR5 5600
Virtualization Technology SupportYes
Integrated GraphicsNo
Scalability1P
PCI Express Revision5.0
Thermal Design Power65W
Shipping weight0.05 kg
Package size146 × 95 × 13 mm

Questions about this item

What does the 16-core, 32-thread count mean for a single-socket server?

The 16 cores and 32 threads let one Socket AM5 board handle many parallel workloads such as virtualization or database tasks without needing a second processor.

How does the DDR5 5600 memory controller and PCIe 5.0 interface affect real-world throughput?

The integrated controller runs DDR5 at 5600 MT/s and the CPU provides PCIe 5.0 lanes, so memory bandwidth and device I/O scale together for storage or GPU accelerators.

What cooler clearance and power delivery does the 65W AM5 package require?

A 65W TDP fits standard AM5 coolers and typical server VRM designs; the processor drops into the socket without extra mounting hardware.

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