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Square green processor with gold contact pads and silver metal heat spreader, AM5 socket form factor

AMD

AMD EPYC 4345P 8-core server processor 100-100001556WOF

SKU CH-2MF0-M95GB MPN 100-100001556WOF

Eight-core server CPU with 32 MB L3 cache, 3.8 GHz base clock, 5.5 GHz boost and DDR5-5600 support in a 65 W AM5 package

  • Product nameEPYC 4345P
  • CPU cores8-Core
  • CPU socketSocket AM5
  • TDP rating65 W
  • Level 3 cache32 MB
  • Supported memory speedDDR5 5600

Model EPYC 4345P

  • 8 cores and 16 threads handle parallel workloads
  • Up to 5.5 GHz boost clock accelerates single-thread tasks
  • 32 MB L3 cache reduces data latency
  • 65 W TDP lowers power and cooling costs
  • DDR5 5600 memory controller increases bandwidth

AMD EPYC 4345P Server Processor

The AMD EPYC 4345P is an 8-core, 16-thread server CPU built on the EPYC 4005 Series platform for Socket AM5. It targets small business servers and hosted IT services that need dependable performance, energy efficiency and built-in security features at an accessible acquisition cost.

DDR5 5600 Memory Interface

The integrated memory controller supports DDR5 at 5600 MT/s, defining the practical memory speed ceiling for this processor. System memory bandwidth and capacity are limited by this controller specification and the motherboard implementation, so workloads requiring faster memory clocks or larger supported capacities must look beyond this platform.

8-Core 65W Thermal Envelope

With a base clock of 3.8 GHz and a maximum boost up to 5.5 GHz, the 65W TDP provides comfortable headroom for everyday server workloads and all-day processing within compact, power-constrained chassis. Sustained heavy multi-threaded loads or applications demanding higher core counts will reach the limits of this thermal and core budget.

How it compares

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

Price $322.99
Cheaper than about 80% of the 621 comparable items (median $1,561.99).
CPU cores 8-Core
Lower than about 90% of the 386 comparable items (median 24).
TDP rating 65 W
Lower than about 96% of the 395 comparable items (median 200 W).

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Specifications

Product
Brand nameAMD
Model name100-100001556WOF
Product nameEPYC 4345P
Processor
CPU cores8-Core
CPU socketSocket AM5
TDP rating65 W
Level 3 cache32 MB
64-bit capableYes
Memory
Supported memory speedDDR5 5600
Size & build
Shipping weight0.09 kg
Package size127 × 127 × 38 mm

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the 8-core 4345P or a 16-core EPYC 4005 model?

The 4345P has 8 cores and 16 threads at 65 W, suited for lighter workloads; the 16-core 4005 series parts offer twice the threads for heavier multi-threaded tasks.

What does the 5.5 GHz boost clock deliver in a real server?

Single-thread bursts reach 5.5 GHz while the 3.8 GHz base sustains steady throughput across all 8 cores within the 65 W envelope.

How does the DDR5 5600 memory controller limit RAM speed?

The integrated controller runs DDR5 at 5600 MT/s; faster modules will downclock to this speed.

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