HPE 16GB (1 x 16GB) Single Rank x4 DDR4-3200 CAS-22-22-22 Registered Smart Memory Kit
Fits 6 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- P07640-B21
Overview
This item, P07640-B21, is the HPE option part number for the product described as 16GB (1 x 16GB) Single Rank x4 DDR4-3200 CAS-22-22-22 Registered Smart Memory Kit. Further details below.
Improve your server's performance with this 16GB DDR4-3200 registered DIMM, a smart upgrade solution for select HPE Gen10 Plus servers. This memory module delivers enhanced speed and efficiency to support demanding applications and workloads. Operating at a frequency of 3200 MHz with CAS Latency timings of 22-22-22, it ensures quick data access and improved system responsiveness.
This item is designed with ECC data integrity check and a single-rank configuration for dependable data handling and stable operation. This registered memory module provides a reliable boost to your server's capabilities, allowing for smoother multitasking and faster processing. Compatible servers includes but may not be limited to certain Gen10 Plus models.
HPE Option Part #: P07640-B21
HPE Spare Part #: P20500-001
HPE Assembly Part #: P11442-191
PRODUCT SPECIFICATIONS FOR P07640-B21:
- Capacity: 16 GB
- Upgrade Type: System specific
- OEM Manufacturer Equivalent Part Number: HPE P07640-B21, HPE P20500-001
- Type: DRAM memory module
- Technology: DDR4 SDRAM
- Form Factor: DIMM 288-pin
- Speed: 3200 MHz (PC4-25600)
- Latency Timings: CL22 (22-22-22)
- Data Integrity Check: ECC
- Features: Single Rank, registered
- Chips Organization: X4
- Voltage: 1.2 V
RESOURCES FOR P07640-B21
Quickspecs for P07640-B21COMPATIBLE WITH:
PROLIANT DL SERIES
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 P07640-B21
| Spare PN | Description | |
|---|---|---|
 | P20500-001 | HPE 16GB (1x16GB) Single Rank x4 DDR4-3200 CAS-22-22-22 Registered Smart Memory Kit |
Last Updated: 2026-03-04
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
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Questions about P07640-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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P07640-B21 HPE 16GB (1 x 16GB) Single Rank x4 DDR4-3200 CAS-22-22-22 Registered Smart Memory Kit
Filling a whole server?
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