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Square green printed circuit board with gold contact pads and silver metal heat spreader marked Intel Xeon Gold 6426Y

HPE

HPE P49598-B21 Intel Xeon Gold 6426Y 16-core 2.50 GHz server processor

SKU CH-DN3K-PRQJY MPN P49598-B21

A 16-core server processor running at 2.50 GHz with 32 threads, 37.50 MB L3 cache and DDR5 4800 memory support

  • Integrated Memory Controller SpeedDDR5 4800
  • 16 cores and 32 threads handle heavy parallel workloads
  • 50 GHz base clock with 4.10 GHz boost delivers responsive performance
  • 50 MB L3 cache reduces latency for data-intensive tasks
  • DDR5 4800 memory controller supports high-bandwidth server memory
  • 185 W TDP fits standard server thermal envelopes

Processor identity and target workload

The HPE P49598-B21 is a 16-core Intel Xeon Gold 6426Y built for server platforms using the LGA-4677 socket. It runs at a 2.50 GHz base clock and can reach 4.10 GHz overclocking speed while delivering 32 threads for parallel workloads. The integrated memory controller supports DDR5 4800.

Upgrade path and value threshold

This processor replaces earlier LGA-4677 CPUs with lower core counts or smaller L3 cache when the workload demands 37.50 MB of shared cache and higher thread density. The jump is worth it when thermal headroom allows the 185 W TDP and the application scales across 16 cores.

Fit and alternatives

Suits administrators deploying compute-heavy services that benefit from 16 cores and DDR5 4800 bandwidth within a 95 °C thermal spec. Not for buyers who need a lower power envelope, a different socket, or a processor without Intel Trusted Execution Technology.

Points forts

  • 16 cores and 32 threads handle heavy parallel workloads
  • 50 GHz base clock with 4.10 GHz boost delivers responsive performance
  • 50 MB L3 cache reduces latency for data-intensive tasks
  • DDR5 4800 memory controller supports high-bandwidth server memory
  • 185 W TDP fits standard server thermal envelopes

Caractéristiques

Integrated Memory Controller SpeedDDR5 4800
Poids d’expédition0.32 kg
Dimensions du colis292 × 216 × 43 mm

Questions sur cet article

What socket and power budget does the HPE P49598-B21 Xeon 6426Y require on the motherboard?

The processor fits Socket LGA-4677 and has a thermal design power of 185 W, so the board must provide that socket and a cooling solution rated for at least 185 W.

Which step is most often missed when installing this 16-core Xeon into an LGA-4677 server board?

After seating the CPU in the LGA-4677 socket, the installer must apply the correct torque to the retention mechanism and connect a cooler rated for 185 W; skipping the torque spec or using an undersized cooler causes throttling.

What ongoing maintenance does the 185 W Xeon 6426Y need once it is running in a server?

Because the thermal specification reaches 95°C, the heatsink fins and fan filters should be cleaned regularly and thermal paste replaced every few years to keep the 185 W processor within its temperature limit.

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