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Green rectangular server CPU with gold contacts and silver heat spreader labelled Xeon Gold 6348

HPE

HPE P36937-B21 Xeon Gold 6348 28-core 2.60 GHz server processor

SKU CH-KYT0-P82NX MPN P36937-B21

28-core server processor with 42 MB L3 cache, 56 threads, 2.60 GHz base and 3.50 GHz boost in a 235 W LGA-4189 package

  • Processors TypeServer
  • 28 cores handle heavy parallel workloads
  • 56 threads boost multi-tasking throughput
  • 42 MB L3 cache cuts data latency
  • 50 GHz turbo lifts peak performance
  • 10 nm process improves power efficiency

HPE Xeon Gold 6348 28-core processor

The HPE P36937-B21 is a server-grade CPU built for heavy multi-threaded workloads. It delivers 28 cores and 56 threads at a 2.60 GHz base frequency. The processor fits the LGA-4189 socket and carries a 235 W thermal design power. It targets data-centre operators running virtualisation, database or analytics clusters.

Socket LGA-4189 platform constraints

The LGA-4189 interface limits this processor to compatible server boards and chipsets. The 235 W TDP demands robust cooling and power delivery that standard workstation chassis may not provide. Maximum turbo reaches 3.50 GHz, but sustained clocks depend on thermal headroom. Buyers needing lower power envelopes or different socket types cannot use this part.

Upgrade from lower-core Xeon Scalable CPUs

This chip replaces earlier Xeon Scalable processors with fewer cores and smaller L3 cache. The jump to 28 cores and 42 MB L3 cache benefits throughput-bound tasks such as container density or large in-memory databases. The upgrade is worthwhile when workload scaling outweighs the increased platform cost and cooling complexity.

Highlights

  • 28 cores handle heavy parallel workloads
  • 56 threads boost multi-tasking throughput
  • 42 MB L3 cache cuts data latency
  • 50 GHz turbo lifts peak performance
  • 10 nm process improves power efficiency

Specifications

Processors TypeServer
Shipping weight0.36 kg
Package size290 × 216 × 48 mm

Questions about this item

How do I choose between the 28-core Xeon Gold 6348 and other capacity options?

The Xeon Gold 6348 provides 28 cores and 56 threads at a 2.60 GHz base frequency with a 42 MB L3 cache. Select this model when your workloads need that specific core count and cache size.

What does the 2.60 GHz base clock mean for real-world server performance?

The 2.60 GHz base clock is the guaranteed minimum speed across all 28 cores under sustained load. The processor can raise frequency to 3.50 GHz when thermal headroom allows, boosting single-threaded or burst performance.

What does the LGA-4189 socket determine for this Xeon Gold 6348 installation?

The LGA-4189 socket defines the physical and electrical interface for the Xeon Gold 6348. It requires a compatible server board with that socket and must be paired with a cooling solution rated for the 235 W thermal design power.

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