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HPE Xeon Silver 4416+ server processor in LGA-4677 socket packaging

HPE

HPE P49611-B21 Xeon Silver 4416+ 20-core 2 GHz server processor

SKU CH-QEP8-2P9YZ MPN P49611-B21

20-core Xeon processor with 40 threads, 37.50 MB L3 cache, DDR5-4000 memory controller, and a 3.90 GHz maximum turbo frequency in a 165 W LGA-4677 package

  • Integrated Memory Controller SpeedDDR5 4000
  • 20 cores and 40 threads handle heavy multi-threaded workloads
  • 90 GHz max turbo frequency accelerates single-thread performance
  • 50 MB L3 cache reduces latency for large data sets
  • DDR5 4000 memory controller supports high-bandwidth system memory
  • 165 W TDP fits standard server cooling envelopes

Processor identity

The HPE P49611-B21 is a Xeon Silver 4416+ server CPU with 20 cores and 40 threads running at a 2 GHz base frequency. It fits the LGA-4677 socket and carries a 165 W thermal design power for rack-mount deployments.

Cache and memory impact

A 37.50 MB L3 cache and an integrated DDR5 4000 memory controller reduce latency for multi-threaded workloads and virtualisation hosts. The 64-bit processing width supports large address spaces without extra configuration.

Suitability and limits

This processor suits data-centre operators who need a 20-core upgrade within a 165 W envelope and validated HPE platform support. Buyers who require higher core counts, lower power envelopes or non-HPE qualified hardware should evaluate alternative SKUs.

Points forts

  • 20 cores and 40 threads handle heavy multi-threaded workloads
  • 90 GHz max turbo frequency accelerates single-thread performance
  • 50 MB L3 cache reduces latency for large data sets
  • DDR5 4000 memory controller supports high-bandwidth system memory
  • 165 W TDP fits standard server cooling envelopes

Caractéristiques

Integrated Memory Controller SpeedDDR5 4000
Poids d’expédition0.32 kg
Dimensions du colis284 × 218 × 46 mm

Questions sur cet article

Will the 37.50 MB L3 cache or 20 cores need any periodic replacement?

The 37.50 MB L3 cache and 20 cores are built into the processor die and have no serviceable parts or replacement schedule.

Which limit appears first during sustained workloads on this 165 W Xeon?

The 165 W thermal design power is the primary sustained-use limit; the processor will throttle to stay within that envelope.

How much heat and fan noise should I expect from the 165 W TDP when the CPU runs all day?

Expect up to 165 W of heat output under full load; actual fan noise depends on your server chassis and cooling configuration.

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