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

AMD

AMD EPYC 9825 144-Core 2.2 GHz 384MB SP5 390W 100-000000837

SKU CH-Y9GS-MQYR9 MPN 100-000000837

144-core server processor with 288 threads, 384 MB L3 cache, 2.2 GHz base clock and 12-channel DDR5 6400 support for high-density data-centre workloads

  • Product nameEPYC 9825
  • CPU cores144-Core
  • CPU socketSocket SP5
  • Maximum turbo clock3.7 GHz
  • TDP rating390 W
  • CPU threads288

Model EPYC 9825

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  • 144 cores and 288 threads handle massive parallel workloads
  • 384 MB L3 cache keeps large data sets close to the cores
  • 2 GHz base clock with 3.7 GHz max turbo delivers strong single-thread speed
  • DDR5 6400 across 12 memory channels feeds bandwidth-hungry applications
  • 128 PCIe 5.0 lanes enable high-density GPU and storage expansion

High-density server processor

The AMD EPYC 9825 is a 144-core server CPU built for data-centre workloads that demand maximum thread density. It delivers 288 threads at a 2.2 GHz base clock with a 3.7 GHz max turbo frequency. The processor targets AI inference, cloud infrastructure and enterprise computing where per-socket performance reduces rack count. Buyers needing fewer cores or lower power envelopes should evaluate other models.

Thermal and power profile

With a 390 W thermal design power, this processor requires robust cooling infrastructure; no cooling device is included. The 384 MB L3 cache helps sustain throughput during sustained heavy loads. Power draw scales with the 12-channel DDR5-6400 memory subsystem and 128 lanes of PCIe 5.0 connectivity. Builders must plan for adequate airflow and power delivery to maintain the rated frequencies.

Platform integration

The CPU installs into a Socket SP5 platform and exposes twelve DDR5 memory channels for high bandwidth. One hundred twenty-eight PCIe 5.0 lanes connect GPUs, storage and networking without external switches. The high core count and large cache free rack space by consolidating workloads that would otherwise need multiple servers. Systems must provide SP5 socket support and sufficient power phases for the 390 W TDP.

How it compares

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

Price $6,498.99
Pricier than about 90% of the 621 comparable items (median $1,561.99).
CPU cores 144-Core
Higher than about 95% 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).

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Specifications

Product
Brand nameAMD
Product lineAMD EPYC 9005
Model name100-000000837
Product nameEPYC 9825
Performance
Working frequency2.2 GHz
Processor
CPU cores144-Core
CPU socketSocket SP5
Maximum turbo clock3.7 GHz
TDP rating390 W
CPU threads288
Level 3 cache384 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

How is the EPYC 9825 installed on a Socket SP5 motherboard and which step is often done incorrectly?

Align the processor triangle with the socket marker, lower it vertically without pressure, then close the retention lever fully; the step most often missed is verifying the lever clicks into its locked position before applying thermal paste.

What maintenance or replacement will the EPYC 9825 need later?

The processor itself has no user-serviceable parts; plan to replace the thermal interface material whenever the cooler is removed, and monitor the 390 W TDP cooling solution for fan degradation over time.

What limit appears first when the EPYC 9825 runs sustained workloads at its 390 W TDP?

The 390 W thermal envelope is the first hard limit; if the cooling solution cannot continuously dissipate that power, the CPU will throttle below its 2.2 GHz base frequency to stay within spec.

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