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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

  • Product nameEPYC 4545P
  • CPU cores16-Core
  • CPU socketSocket AM5
  • Maximum turbo clock5.4 GHz
  • TDP rating65 W
  • Processor architecturex86-64
  • 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.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $400.99
Cheaper than about 77% of the 621 comparable items (median $1,561.99).
CPU cores 16-Core
Lower than about 70% of the 386 comparable items (median 24).
Maximum turbo clock 5.4 GHz
Higher than about 97% of the 327 comparable items (median 3.9 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAMD
Product lineAMD EPYC 4005
Model name4545P
Part number100-100001764
Product nameEPYC 4545P
Performance
Working frequency3.0 GHz
Processor
CPU cores16-Core
CPU socketSocket AM5
Maximum turbo clock5.4 GHz
TDP rating65 W
Processor architecturex86-64
Processor codenameZen 5
CPU threads32
Level 3 cache64 MB
64-bit capableYes
Hyper-ThreadingYes
Process node5 nm
Virtualization supportYes
CPU socket scalability1P
Memory
Supported memory speedDDR5 5600
Graphics
Built-in graphicsNo
Ports & slots
PCIe generation5.0
Size & build
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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