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Green DDR5 memory module with black chips and gold contacts

HPE

HPE P69727-B21 32GB DDR5-6400 server RAM

SKU CH-ZMHX-MEVTE MPN P69727-B21

32 GB DDR5-6400 server memory module rated PC5-51200 for compatible HPE systems

  • Capacity32 GB
  • TypeDDR5-6400/PC5-51200 SDRAM
  • 32 GB capacity supports memory-intensive server workloads
  • DDR5-6400 speed delivers high bandwidth for demanding applications
  • PC5-51200 rating indicates peak data transfer capability
  • 2Rx8 organisation optimises rank density for scalable configurations
  • HPE Smart Memory technology enables advanced health monitoring

HPE 32GB DDR5-6400 Server Module

This HPE P69727-B21 module delivers 32 GB of DDR5-6400 memory for compatible servers. It uses a 2Rx8 PC5-6400B-R Smart configuration rated at PC5-51200 speed. The part is listed as new condition and was first listed by the manufacturer on 23 July 2026.

Suited for DDR5-6400 capacity upgrades

Administrators expanding memory on platforms qualified for DDR5-6400 can install this 32 GB stick. Buyers whose systems require a different DDR generation, a lower data rate, or a non-Smart module should look elsewhere. Builders needing ECC registration details not provided here must verify compatibility independently.

Deciding spec: DDR5-6400 / PC5-51200 speed

The single specification that determines fit is the DDR5-6400 rating, also expressed as PC5-51200. Only servers validated for this exact data rate and the 2Rx8 Smart organisation will accept the module. Confirm the platform memory list before purchase.

Highlights

  • 32 GB capacity supports memory-intensive server workloads
  • DDR5-6400 speed delivers high bandwidth for demanding applications
  • PC5-51200 rating indicates peak data transfer capability
  • 2Rx8 organisation optimises rank density for scalable configurations
  • HPE Smart Memory technology enables advanced health monitoring

Specifications

BrandHPE
Model32GB 2Rx8 PC5-6400B-R Smart
Part NumberP69727-B21
Capacity32 GB
TypeDDR5-6400/PC5-51200 SDRAM
Shipping weight0.05 kg
Package size178 × 76 × 13 mm

Questions about this item

What real-world bandwidth does the 6400 MT/s rating deliver in a server?

The module runs at DDR5-6400 and is labelled PC5-51200; actual throughput depends on the platform and memory controller configuration.

Which slot standard does the PC5-51200 designation fit?

It uses a standard DDR5 DIMM slot; the PC5-51200 marking indicates the rated data rate, not a different connector.

Will the 2Rx8 layout fit a standard server DIMM socket?

Yes, the 2Rx8 organisation follows the regular DDR5 DIMM form factor for server memory slots.

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