Condition: Refurbished
Availability: In stock
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The P64705-B21 is HPE's 16GB DDR5-5600 memory module built for ProLiant Gen11 servers. It uses ECC Registered (RDIMM) construction in a single-rank, x8 design, running at 1.1V through the standard 288-pin form factor. HPE sells it under the DDR5 Smart Memory line. That means HPE qualifies and tests each module on its own Gen11 platforms, not just against general JEDEC specs.
This capacity suits a standard Gen11 memory upgrade or a direct replacement for a failed 16GB stick, since it matches HPE's original configuration exactly. Larger Gen11 builds often mix it with higher-capacity DIMMs across additional channels, rather than relying on 16GB modules alone.
This module fits HPE ProLiant DL360, DL380, and ML350 Gen11 servers, plus other Gen11 platforms built around DDR5, such as the DL320 Gen11 and ML110 Gen11. One detail is easy to miss: DDR5-5600 speed only runs at its full rate with 5th Gen Intel Xeon Scalable processors. Pair this module with a 4th Gen Xeon Scalable CPU on the same Gen11 board, and it still works. The memory controller just settles for a lower speed instead. Check your processor generation, not just the server model, before you count on 5600 MT/s.
CPU Republic sells the P64705-B21 as refurbished, not new. We pull, clean, and test each module on working server hardware before it's listed, using genuine HPE-qualified chips rather than a generic substitute. Every order carries a 30-day warranty, so a faulty module is covered if one slips through.
P64705-B21 is HPE's option part number, the one tied to a standard memory upgrade order. Matching a number from a service ticket or PartSurfer instead? Look for spare part number P65253-001 or assembly number P53624-0A1. All three point to identical hardware.
Most DL360 and DL380 Gen11 configurations offer 16 DIMM slots split across two processors, though the exact count depends on your build. Confirm the slot layout for your specific server before filling every slot.
Images may be representative of the product model. For Refurbished items, the actual unit may differ in appearance from the image shown.
Specifications, part number, condition and included accessories are stated on this page.
Refurbished means a used computer part or device that has been cleaned, checked, and repaired to make sure it works properly again. Unlike regular second-hand items, refurbished products go through testing and fixing so they can perform like new.
All orders are processed within 1-2 business days. Orders placed on weekends or public holidays will be processed on the next business day. For more info visit shipping policy.
We offer a 30-day return policy subject to the terms and conditions described in our Refund Policy. Restocking fees may apply to eligible non-faulty returns. Kindly take a look at our Return Policy page.
For Brand New items, you will receive them in their original retail box. For Refurbished items, you will receive them in a Brown Box or Bulk Packaging.
Refurbished printers do not come with ink cartridges or toners.
