HPE 16GB (1x16GB) Dual Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit
Fits 15 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- 672631-B21
Overview
This item, 672631-B21, is the HPE option part number for the product described as 16GB (1x16GB) Dual Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit. Further details below.
Maximize the memory capacity and performance of your HPE server with this 16GB DDR3-1600 Registered ECC Memory Module. Operating at 1600MHz (PC3-12800) with a CAS Latency of CL11, this dual-rank module provides a significant boost in memory for demanding applications. The registered design enhances signal stability and reliability in high-density memory configurations.
This item is compatible with a range of HPE servers including but not limited to the DL380p Gen8, DL360p Gen8, DL560 Gen8, BL460c Gen8, and ML350p Gen8. Unlock your server's full potential and handle memory-intensive workloads with ease using this high-capacity memory upgrade.
HPE Option Part #: 672631-B21
HPE Spare Part #: 684031-001
HPE Assembly Part #: 672612-081
PRODUCT SPECIFICATIONS FOR 672631-B21:
- CAS Latency: CL11
- Chips Organization: X4
- Data Integrity Check: ECC
- Form Factor: DIMM 240-pin
- Memory Specification Compliance: PC3-12800
- Memory Speed: 1600 MHz
- RAM Features: Dual Rank
- Registered or Buffered: Registered
- Storage Capacity: 16 GB
- Technology: DDR3 SDRAM
- Type: DRAM
- Upgrade Type: System specific
COMPATIBLE WITH:
PROLIANT BL SERIES
PROLIANT DL SERIES
PROLIANT ML SERIES
PROLIANT SL SERIES
PROLIANT WS SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 672631-B21
| Spare PN | Description | |
|---|---|---|
 | 684031-001 | 16GB, 1600MHz, PC3-12800R-11, DDR3, dual-rank x4, 1.50V, registered dual in-line memory module (DIMM) |
Last Updated: 2026-10-26
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.
- DL360p Gen8Memory page
- DL380p Gen8Memory page
- ML350p Gen8Memory page
- BL460c Gen8Memory page
- SL230s Gen8Memory page
- SL250s Gen8Memory page
- ML350e Gen8Memory page
- BL420c Gen8Memory page
- BL660c Gen8Memory page
- DL160 Gen8Memory page
- DL360e Gen8Memory page
- DL380e Gen8Memory page
- DL560 Gen8Memory page
- SL270s Gen8Memory page
- WS460c Gen8Memory page
Part numbers
Every number below identifies this same part. Match any of them to the label on the part you are replacing.
Questions about 672631-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.
Start a return or claim
Complete the RMA request form and send it to us, or choose Warranty or return on the contact form.
Reviews of this part
1 review
Very nice
“We upgraded our servers with these 16GB modules, couldn't be any easier and we are thrilled with the performance.”
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672631-B21 HPE 16GB (1x16GB) Dual Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 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.
