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

AMD

AMD EPYC 9845 100-000001458 160-Core 2.1 GHz Server Processor

SKU CH-XJ62-X7QXV MPN 100-000001458

A 160-core server processor with 320 threads, 2.1 GHz base clock, 3.7 GHz max turbo, 320 MB L3 cache, DDR5-6400 12-channel memory, 128 PCIe 5.0 lanes and 390 W TDP for dense AI and cloud workloads

  • NameEPYC 9845
  • CPU Socket TypeSocket SP5
  • # of Cores160-Core
  • # of Threads320
  • Operating Frequency2.1 GHz
  • Max Turbo Frequency3.7 GHz

Option EPYC 9845

Show 15 more configurations
  • 160 cores and 320 threads handle massive parallel workloads
  • 320 MB L3 cache reduces latency for data-intensive applications
  • DDR5-6400 across 12 memory channels maximises bandwidth
  • 128 PCIe 5.0 lanes support high-speed accelerators and storage
  • 390 W TDP delivers high compute density per socket

160-Core EPYC 9845 for dense server workloads

The AMD EPYC 9845 is a 160-core server processor built on the 9005 series architecture for high-density data centre deployments. It delivers 320 threads at a 2.1 GHz base clock with a 3.7 GHz maximum turbo frequency. A 320 MB L3 cache supports large working sets in virtualisation and database tiers.

Suited for multi-socket scaling.

This CPU targets operators consolidating many virtual machines or containers onto fewer sockets, using 12 memory channels and 128 PCIe 5.0 lanes per processor. Buyers who need higher single-thread frequency for lightly threaded applications should look elsewhere, as the base clock is optimised for throughput rather than burst speed.

390 W TDP requires adequate cooling infrastructure

The processor has a 390 W thermal design power and ships without a cooler, so the rack must provide sufficient airflow and mounting hardware for sustained operation. Ensure the platform power budget and thermal solution can handle this density before purchase.

Highlights

  • 160 cores and 320 threads handle massive parallel workloads
  • 320 MB L3 cache reduces latency for data-intensive applications
  • DDR5-6400 across 12 memory channels maximises bandwidth
  • 128 PCIe 5.0 lanes support high-speed accelerators and storage
  • 390 W TDP delivers high compute density per socket

Specifications

BrandAMD
SeriesAMD EPYC 9005
NameEPYC 9845
Model100-000001458
CPU Socket TypeSocket SP5
# of Cores160-Core
# of Threads320
Operating Frequency2.1 GHz
Max Turbo Frequency3.7 GHz
L3 Cache320MB
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

Does the EPYC 9845 include a cooler or is it processor only?

The EPYC 9845 is sold as processor only; a compatible SP5 cooling solution must be purchased separately.

Should I choose the 9845 or the 9965 for my workload?

The 9845 provides 160 cores at 2.1 GHz base with 320 MB L3 cache, while the 9965 is a different model not detailed in this listing.

What does the 2.1 GHz base clock mean once the CPU is installed in a server?

All 160 cores run at a guaranteed 2.1 GHz under load, with turbo up to 3.7 GHz, supported by 12-channel DDR5-6400 memory and 128 PCIe 5.0 lanes.

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