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Square green ceramic processor with gold contacts and silver heat spreader, SP5 socket form factor

AMD

AMD EPYC 9634 100-000000797 84-core 2.25 GHz server processor

SKU CH-TF09-ACHQD MPN 100-000000797

84-core server processor running at 2.25 GHz with 384 MB L3 cache, 128 PCIe 5.0 lanes and 12-channel DDR5-4800 support

  • NameEPYC 9634
  • CPU Socket TypeSocket SP5
  • # of Cores84-Core
  • # of Threads168
  • Operating Frequency2.25 GHz
  • Max Turbo Frequency3.1 GHz

Option EPYC 9634

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  • 84 cores and 168 threads handle heavy parallel workloads
  • 384 MB L3 cache reduces latency on large data sets
  • DDR5-4800 across 12 channels feeds memory-hungry applications
  • PCIe 5.0 with 128 lanes supports high-speed storage and networking
  • 360 W TDP balances performance with data-center efficiency

84-Core EPYC 9004 Processor

The AMD EPYC 9634 is a server-grade CPU built for heavily threaded data-centre workloads. It delivers 84 cores and 168 threads at a 2.25 GHz base clock with a 3.1 GHz maximum turbo frequency. This processor targets operators running virtualisation clusters, large databases or high-performance computing tasks that scale across many threads.

Socket SP5 Platform with 128 PCIe 5.0 Lanes

The chip fits the SP5 socket and exposes 128 lanes of PCI Express 5.0 for high-bandwidth accelerators, storage and networking. Twelve DDR5-4800 memory channels feed the 384 MB L3 and 84 MB L2 caches. No cooling solution is included, so a compatible 360 W thermal solution must be sourced separately for reliable operation.

360 W TDP Demands Robust Cooling and Power

A 360-watt thermal design power defines the infrastructure needed: substantial airflow, adequate power delivery and rack space for heat dissipation. Buyers who cannot provision that level of cooling or who need a lower-power part for dense deployments should evaluate other SKUs.

Highlights

  • 84 cores and 168 threads handle heavy parallel workloads
  • 384 MB L3 cache reduces latency on large data sets
  • DDR5-4800 across 12 channels feeds memory-hungry applications
  • PCIe 5.0 with 128 lanes supports high-speed storage and networking
  • 360 W TDP balances performance with data-center efficiency

Specifications

BrandAMD
SeriesAMD EPYC 9004
NameEPYC 9634
Model100-000000797
CPU Socket TypeSocket SP5
# of Cores84-Core
# of Threads168
Operating Frequency2.25 GHz
Max Turbo Frequency3.1 GHz
L3 Cache384MB
64-Bit SupportYes
Integrated Memory Controller SpeedDDR5 4800
Memory Channel12 Channel
PCI Express Revision5.0
Max # of PCI Express Lanes128
Thermal Design Power360W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.45 kg
Package size25 × 25 × 25 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 PCI Express revision and lane count does the EPYC 9634 expose?

The processor provides PCI Express 5.0 with up to 128 lanes for high-bandwidth add-in cards and storage.

Which socket and cooler clearance does the 9634 require?

It fits Socket SP5; no cooling device is included, so a compatible SP5 heatsink rated for 360 W TDP must be sourced separately.

How is the processor installed in a server board, and what step is often missed?

Align the SP5 land-grid array with the socket keys, lower the carrier frame, torque the captive screws in the prescribed sequence, then apply thermal interface material before mounting the heatsink — skipping the torque pattern or paste causes uneven contact and throttling.

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