

HPE DDR5 Smart Memory
HPE P65248-001 64GB DDR5-6400 PC5-51200 Memory Module
HPE part P65248-001 is a 64 GB dual rank x4 DDR5-6400 registered memory module (PC5-6400B-R). HPE PartSurfer lists it as the module in the HPE 64GB 2Rx4 PC5-6400B-R Smart Kit, and HPE sells the matching kit, P64986-B21, for AMD-based HPE servers. Check your server model before ordering.
Quick Glance
Key Features
64 GB dual rank DDR5-6400
A 64 GB dual rank x4 module running at 6400 MT/s, with CAS 52-52-52 latency and EC8 error correction, at 1.1 V.
HPE DDR5 Smart Memory
A registered DIMM from the HPE DDR5 Smart Memory range, which HPE says goes through qualification and testing that unlocks memory performance features available only with HPE servers.
For AMD-based HPE servers
HPE lists the matching kit P64986-B21 under registered memory for AMD-based servers, and PartSurfer shows this part in an HPE ProLiant DL385 Gen11 configuration.
Detailed Specifications
Specifications are from HPE: HPE PartSurfer for part P65248-001, and the HPE Store (United States) and HPE DDR5 Smart Memory QuickSpecs for the matching kit P64986-B21. Specifications are provided by the manufacturer and may be updated or changed without prior notice. AtomOffice is not responsible for any discrepancies between the information shown here and the manufacturer's official documentation.
Need-to-Know
- HPE lists the matching kit P64986-B21 for AMD-based HPE servers. Intel-based HPE servers take a different 64 GB DDR5-6400 kit (P69728-B21), so confirm your server before ordering.
- HPE says its Smart Memory performance features are available only with HPE servers.
Frequently Asked Questions
HPE PartSurfer lists P65248-001 as the memory module inside the HPE 64GB 2Rx4 PC5-6400B-R Smart Kit, and P64986-B21 is that kit's HPE number for AMD-based servers. The specifications are the same 64 GB dual rank DDR5-6400 registered module.
HPE lists a separate 64 GB DDR5-6400 kit, P69728-B21, for Intel-based servers. Send us your server model and we will confirm the right part.
It is the bandwidth class of a DDR5-6400 module: 6400 MT/s on a 64-bit bus is 51,200 MB/s. HPE rates this module PC5-6400B-R.
Not sure it fits your server?
Send us your HPE server model and generation, and our UAE team will confirm the right memory before you order.

