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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

  • NameEPYC 9745
  • CPU Socket TypeSocket SP5
  • # of Cores128-Core
  • # of Threads256
  • Operating Frequency2.4 GHz
  • Max Turbo Frequency3.7 GHz

Option 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.

Highlights

  • 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

Specifications

BrandAMD
SeriesAMD EPYC 9005
NameEPYC 9745
Model100-000001460
CPU Socket TypeSocket SP5
# of Cores128-Core
# of Threads256
Operating Frequency2.4 GHz
Max Turbo Frequency3.7 GHz
L3 Cache256MB
64-Bit SupportYes
Integrated Memory Controller SpeedDDR5 6400
Memory Channel12 Channel
PCI Express Revision5.0
Max # of PCI Express Lanes128
Thermal Design Power400W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.23 kg
Package size127 × 127 × 38 mm

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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