HPE Gen10 Memory (1st Gen CPU)
HPE 64GB (1 x 64GB) Dual Rank x4 DDR4-2666 CAS-19-19-19 Registered Smart Memory Kit
Fits 2 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- P05592-B21
Overview
This item, P05592-B21, is the HPE option part number for the product described as 64GB (1 x 64GB) Dual Rank x4 DDR4-2666 CAS-19-19-19 Registered Smart Memory Kit. Further details below.
Improve the performance and reliability of your Gen10 server with this HPE 64GB DDR4-2666 Registered Smart Memory Kit. This memory module is designed to enhance your server's ability to handle demanding workloads, providing a significant boost in speed and efficiency. Operating at 2666 MHz, this ECC Registered DIMM module ensures data integrity and system stability.
This 64GB (1 x 64GB) dual-rank memory module features a CAS Latency of 19-19-19 and operates at 1.2V for energy efficiency. Designed for seamless integration and optimal performance in compatible Gen10 servers. The list of compatible models includes but is not limited to Gen10 servers.
HPE Option Part #: P05592-B21
HPE Spare Part #: P06182-001
HPE Assembly Part #: P05642-1A1
PRODUCT SPECIFICATIONS FOR P05592-B21:
- Capacity: 64 GB
- Upgrade Type: System specific
- OEM Manufacturer Equivalent Part Number: HP P05592-B21
- Type: DRAM memory module
- Technology: DDR4 SDRAM
- Form Factor: DIMM 288-pin
- Speed: 2666 MHz (PC4-21300)
- Latency Timings: CL19 (19-19-19)
- Data Integrity Check: ECC
- Features: Dual Rank, registered
- Chips Organization: X4
- Voltage: 1.2 V
COMPATIBLE WITH:
OTHER HPE MACHINES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR P05592-B21
| Spare PN | Description | |
|---|---|---|
 | P06182-001 | Dual In-Line Memory Module (DIMM), 64GB PC4-2666V-R 4Gx4 Kit |
Last Updated: 2026-06-04
Other sizes in this family
| Part number | Capacity | Type | Rank | Price | Availability |
|---|
Working out how many you need? Each server's memory page counts the modules for the capacity you want: see Compatible servers.
Specifications
Compatible servers
Each server opens that model's memory page, with its slot rules and a kit picker.
Part numbers
Every number below identifies this same part. Match any of them to the label on the part you are replacing.
Questions about P05592-B21
Warranty and returns
5-year replacement warranty
Covered against hardware failure for 5 years from the date of purchase. While HPE's own warranty runs, HPE replaces a failed part through the HPE Enterprise Support Center. After that, send it back to us for a working replacement; you ship it to us and we pay Ground or Economy shipping on the replacement.
Ordered the wrong part?
It is the customer's responsibility to verify compatibility before ordering. A part ordered by mistake can be returned for a refund, less a 25% restocking fee, within 5 business days of receipt. Freight is not refunded, and factory-sealed items can only be returned unopened. Check Compatible servers before you order.
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P05592-B21 HPE 64GB (1 x 64GB) Dual Rank x4 DDR4-2666 CAS-19-19-19 Registered Smart Memory Kit
Filling a whole server?
Each server's memory page works out how many modules a capacity takes and where they go. For a full bill of materials, send it with your server model and we reply with pricing and availability within 24 hours.
