P90552-B21

P90552-B21

P90552-B21 HPE 256GB (1x256GB) Quad Rank x4 DDR5‑4800 CAS‑60‑52‑52 EC8 Registered 3DS Smart Memory Kit

SKU: P90552-B21
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Warranty: 5 Years
Was MXN$481,426.74
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This item, P90552-B21, is the HPE option part number for the product described as 256GB (1x256GB) Quad Rank x4 DDR5‑4800 CAS‑60‑52‑52 EC8 Registered 3DS Smart Memory Kit. Further details below.

Push your HPE Gen11 servers to their capacity ceiling with the P90552-B21, a genuine HPE 256GB (1x256GB) DDR5-4800 Quad Rank x4 Registered 3DS Smart Memory module. Built on 3DS RDIMM stacking technology with EC8 error correction and CAS-60-52-52 timings, this module delivers the density and reliability demanded by virtualization hosts, in-memory databases, and analytics workloads where every gigabyte per socket counts.

Designed for HPE Compute mainstream platforms, P90552-B21 is validated for the ProLiant DL365 Gen11 and DL385 Gen11 with 4th Gen processors, and it is the field-installable equivalent of HPE factory SKU P90552-F21 (256GB 4Rx4 PC5-4800B-R 3DS FIO Kit). As HPE Smart Memory, it is authenticated by the server to run at rated speed with full ECC support, so you get predictable performance and a clean upgrade path. See the HPE QuickSpecs for additional platform details.

HPE Option Part #: P90552-B21

PRODUCT SPECIFICATIONS FOR P90552-B21:

  • Capacity: 256 GB
  • DIMM native speed: 4800 MT/s
  • DIMM type: Registered 3DS Smart Memory (3DS RDIMM)
  • DIMM rank: Quad Rank
  • DRAM width: x4
  • CAS Latency: CAS-60-52-52
  • Memory type: DDR5
  • ECC: EC8
  • Platform supported: HPE Compute Mainstream Platforms, see QuickSpecs for more information
  • Corresponding factory-installed SKU: P90552-F21 (HPE 256GB 4Rx4 PC5-4800B-R 3DS FIO Kit)

COMPATIBLE WITH:

PROLIANT DL SERIES

DL365 Gen11(4th Gen CPU)DL385 Gen11(4th Gen CPU)

** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.

FREQUENTLY ASKED QUESTIONS FOR P90552-B21:

  • Which servers is P90552-B21 compatible with?
    P90552-B21 is supported on HPE Compute mainstream platforms, specifically the ProLiant DL365 Gen11 and DL385 Gen11 with 4th Gen processors. Check the HPE QuickSpecs for your model for population rules and additional details.
  • What exactly do I receive with P90552-B21?
    P90552-B21 is a 256GB kit consisting of one 256GB DDR5-4800 Quad Rank x4 Registered 3DS Smart Memory module (3DS RDIMM) with EC8 ECC and CAS-60-52-52 latency.
  • How does P90552-B21 relate to part number P90552-F21?
    P90552-F21 is the corresponding factory-installed SKU (HPE 256GB 4Rx4 PC5-4800B-R 3DS FIO Kit). P90552-B21 is the same memory offered as an option kit you can order and install in the field.

Last Updated: 2026-10-03

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This product is warrantied against hardware failure for a period of 5 Years from the date of purchase. Before making a purchase, please take a moment to review our return policy below.

Returns

It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.

Please be aware that factory-sealed equipment can only be returned if it remains unopened.

Defective Products

If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.

In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).

Requesting an RMA

To initiate a return or warranty claim, please complete and submit the RMA Request Form.

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