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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

  • NameEPYC 9825
  • CPU Socket TypeSocket SP5
  • # of Cores144-Core
  • # of Threads288
  • Operating Frequency2.2 GHz
  • Max Turbo Frequency3.7 GHz

Option 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.

Highlights

  • 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

Specifications

BrandAMD
SeriesAMD EPYC 9005
NameEPYC 9825
Model100-000000837
CPU Socket TypeSocket SP5
# of Cores144-Core
# of Threads288
Operating Frequency2.2 GHz
Max Turbo Frequency3.7 GHz
L3 Cache384MB
64-Bit SupportYes
Integrated Memory Controller SpeedDDR5 6400
Memory Channel12 Channel
PCI Express Revision5.0
Max # of PCI Express Lanes128
Thermal Design Power390W
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

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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