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Square green ceramic server CPU with gold contact pads and silver heat spreader, SP5 socket form factor

AMD

AMD EPYC 9745 128-core 2.4 GHz server processor 100-000001460

SKU CH-J0TF-EMP5F MPN 100-000001460

128-core SP5 server CPU with 256 threads at 2.4 GHz, 256 MB L3 cache, 12-channel DDR5-6400 support and 400 W TDP

  • Product nameEPYC 9745
  • CPU cores128-Core
  • CPU socketSocket SP5
  • Maximum turbo clock3.7 GHz
  • TDP rating400 W
  • CPU threads256

Model EPYC 9745

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  • 128 Zen 5c cores handle massive parallel workloads
  • 256 threads accelerate multi-threaded server applications
  • 256 MB L3 cache reduces latency for data-intensive tasks
  • 12-channel DDR5 6400 controller maximises memory bandwidth
  • 128 PCIe 5.0 lanes enable high-speed I/O expansion

High-density server CPU for AI and cloud

The AMD EPYC 9745 is a 128-core processor built for dense AI, cloud and enterprise workloads. It delivers 256 threads at a 2.4 GHz base clock with a 3.7 GHz max turbo frequency. The 256 MB L3 cache supports high hit rates for rapid data access.

SP5 socket and 12-channel DDR5 memory

The processor mounts in a Socket SP5 package without soldering. An integrated memory controller runs 12 channels of DDR5 6400 memory. PCI Express 5.0 provides up to 128 lanes for high-throughput I/O. A 400 W thermal design power requires robust cooling that is not included.

Verify SP5 platform and power delivery

Confirm the motherboard uses Socket SP5 and supports a 400 W TDP with adequate VRM cooling. Ensure the chassis and cooling solution can handle the thermal load. Check that the power supply delivers sufficient current for the CPU and all populated memory channels. DDR5 modules are required; other memory generations will not work.

How it compares

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

Price $7,286.99
Pricier than about 91% of the 621 comparable items (median $1,561.99).
CPU cores 128-Core
Higher than about 94% of the 386 comparable items (median 24).
Maximum turbo clock 3.7 GHz
Lower than about 60% 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 9005
Model name100-000001460
Product nameEPYC 9745
Performance
Working frequency2.4 GHz
Processor
CPU cores128-Core
CPU socketSocket SP5
Maximum turbo clock3.7 GHz
TDP rating400 W
CPU threads256
Level 3 cache256 MB
64-bit capableYes
Maximum PCIe lanes128
Memory
Supported memory speedDDR5 6400
Channel configuration12 Channel
Ports & slots
PCIe generation5.0
Size & build
Shipping weight0.23 kg
Package size127 × 127 × 38 mm
In the box
Included coolerNot included - Processor Only

Other versions of this model

5 more in the same range

Questions about this item

What bandwidth does the PCI Express 5.0 interface with 128 lanes provide?

The processor supports PCI Express 5.0 with up to 128 lanes for high-throughput I/O connectivity.

What physical socket and mounting requirements does the SP5 package have?

The SP5 socket accepts the processor without soldering; a compatible server board and 400 W thermal solution are required.

How is the processor installed and what step is commonly missed?

Align the SP5 processor with the socket keys, lower the retention frame, and torque the cold-plate mounting screws in a cross pattern to 400 W spec.

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