HPE 4GB (1x4GB) Single Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit
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Part number cross-reference
- Part number
- 664689-001
Overview
This item, 664689-001, is the HPE spare part number for the product described as 4GB (1x4GB) Single Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit. Further details below.
Enhance your server's responsiveness with this 4GB DDR3-1600 Registered memory module. Designed for reliable performance, this single-rank DIMM operates at 1600MHz, providing a noticeable boost to your system's overall speed. With ECC error checking, your data is protected from corruption, ensuring stable and accurate operations.
This 4GB PC3-12800R module is an excellent choice for upgrading various HPE ProLiant Gen8 servers, including but not limited to the DL380p Gen8, DL360p Gen8, DL380e Gen8, DL560 Gen8, BL460c Gen8, and ML350p Gen8. Featuring a CAS Latency of CL11 and a registered design (RDIMM), this item provides a cost-effective way to improve performance for virtualization, general server tasks, and other memory-sensitive applications.
HPE Option Part #: 647895-B21
HPE Spare Part #: 664689-001
HPE Assembly Part #: 647648-071
PRODUCT SPECIFICATIONS FOR 664689-001:
- Product Type: RAM Module
- Memory Size: 4 GB
- Memory Technology: DDR3 SDRAM
- Number of Modules: 1 x 4 GB
- Memory Speed: 1600 MHz
- Memory Standard: DDR3-1600/PC3-12800
- Error Checking: ECC
- Signal Processing: Registered
- CAS Latency: CL11
- Number of Pins: 240-pin
- Form Factor: DIMM
- DIMM rank: Single
- Dimensions (W x D x H): 3.5 x 7.8 x 0.75 in (8.89 x 19.81 x 1.91 cm)
- Weight: 1 lb (0.45 kg)
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 664689-001 (647895-B21)
| Spare PN | Description | |
|---|---|---|
 | 664689-001 | 4GB, 1600MHz, PC3-12800R-11, DDR3, Single-Rank x4, 1.50V, registered dual in-line memory module (DIMM) |
Last updated: 3/24/2026
Other sizes in this family
| Part number | Capacity | Type | Rank | Price | Availability |
|---|
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Questions about 664689-001
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.
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664689-001 HPE 4GB (1x4GB) Single Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit
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