HPE 4GB (1x4GB) Single Rank x4 PC3L-10600R (DDR3-1333) Registered CAS-9 Low Voltage Memory Kit
Fits 16 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- 647893-B21
Overview
This item, 647893-B21, is the HPE option part number for the product described as 4GB (1x4GB) Single Rank x4 PC3L-10600R (DDR3-1333) Registered CAS-9 Low Voltage Memory Kit. Further details below.
Optimize your server's performance with this 4GB DDR3L-1333 Registered memory module. This single-rank, low-voltage DIMM operates at 1333MHz, offering a balance of speed and energy efficiency. Designed for reliable operation and low power consumption, this module helps reduce overall system costs.
This 4GB PC3L-10600R module is a compatible upgrade for a wide range of HPE ProLiant Gen8 servers, including but not limited to the DL380p Gen8, DL360p Gen8, DL380e Gen8, DL560 Gen8, BL460c Gen8, and ML350p Gen8. This registered DIMM (RDIMM) is an excellent choice for enhancing server responsiveness and supporting essential business applications while minimizing power consumption.
HPE Option Part #: 647893-B21
HPE Spare Part #: 664688-001
HPE Assembly Part #: 647647-071
PRODUCT SPECIFICATIONS FOR 647893-B21:
- Memory Size: 4 GB
- Memory Speed: 1333 MHz
- Memory Standard: DDR3-1333/PC3-10600
- Memory Technology: DDR3 SDRAM
- Memory for (processor type): Intel
- DIMM type: RDIMM
- 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)
- Voltage: 1.35 volts
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 647893-B21
| Spare PN | Description | |
|---|---|---|
 | 664688-001 | 4GB PC3L-10600R synchronous dynamic random access memory (SDRAM) dual data rate (DDR3) mode, dual in-line memory module (DIMM),512Mx72 |
Last updated: 3/24/2026
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
- SL4540 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 647893-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
Great memory for our Gen8 servers
“We have six Gen8 servers that we needed upgrade memory for. This HP memory did the job”
Write a Review
647893-B21 HPE 4GB (1x4GB) Single Rank x4 PC3L-10600R (DDR3-1333) Registered CAS-9 Low Voltage 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.
