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Square gold processor with silver heat spreader, green substrate and gold contact pads

HPE

HPE Xeon Gold 5420+ 28-core 2 GHz server processor P49613B21

SKU CH-SKNA-6JQJV MPN P49613B21

28-core Xeon server processor running at 2 GHz with 56 threads and 52.50 MB L3 cache for DDR5 platforms

  • CPU Socket TypeLGA 4677
  • 28 cores and 56 threads handle heavy parallel workloads
  • 50 MB L3 cache keeps large data sets close to the cores
  • 2 GHz base clock with 4.10 GHz max turbo adapts to bursty demand
  • DDR5 memory support at 4.40 GHz feeds data-intensive applications
  • 205 W TDP fits standard server thermal envelopes

HPE Xeon Gold 5420+ 28-core server processor

This HPE server processor is an Intel Xeon Gold 5420+ with 28 cores and a 2 GHz base clock. It delivers 56 threads and 52.50 MB of L3 cache for multi-threaded workloads. The CPU fits the LGA 4677 socket and supports DDR5 memory at 4.40 GHz. Thermal design power is rated at 205 W.

Suited for dense virtualisation and heavy compute

The 28-core design and 56 threads suit virtualisation hosts, database nodes and render farms that need high core counts. Intel Virtualization Technology and Trusted Execution Technology are included. Buyers who need lower power draw or fewer cores for lighter tasks should consider other options. The 205 W TDP requires robust server cooling infrastructure.

LGA 4677 socket and 205 W TDP define compatibility

This processor only works with motherboards that provide an LGA 4677 socket and can handle a 205 W thermal design power. The 52.50 MB L3 cache and 4.10 GHz maximum turbo frequency are fixed specifications. Verify that your server platform supports the LGA 4677 package and the required power delivery before purchase.

Highlights

  • 28 cores and 56 threads handle heavy parallel workloads
  • 50 MB L3 cache keeps large data sets close to the cores
  • 2 GHz base clock with 4.10 GHz max turbo adapts to bursty demand
  • DDR5 memory support at 4.40 GHz feeds data-intensive applications
  • 205 W TDP fits standard server thermal envelopes

Specifications

CPU Socket TypeLGA 4677
Shipping weight0.45 kg
Package size287 × 216 × 30 mm

Questions about this item

What is the thermal design power of the Xeon 5420+ and how does it affect cooling requirements?

The processor has a 205 W thermal design power, so the server chassis and cooler must be rated to dissipate at least that much heat continuously.

Which limit appears first when the 28-core CPU runs at full load for extended periods?

The 97 °C thermal specification is the first hard limit; sustained workloads will throttle once the die reaches that temperature.

How loud and hot does the 5420+ get when it runs all day in a typical server?

At 205 W TDP the chip produces significant heat; fan noise depends on the chassis airflow design, but expect active cooling to run at higher speeds continuously.

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