HPE 8GB (1x8GB) Single Rank x4 PC3L-12800R (DDR3-1600) Registered CAS-11 Low Voltage Memory Kit
Fits 9 HPE ProLiant server models. See the list
- Secure checkout
- Card, P-card, purchase order, ACH, wire transfer, PayPal
- Tested or factory sealed
- Free Ground shipping on US orders over $100
need a formal quote?
Request a quote by email in PDF format, valid for 24 hours
Part number cross-reference
- Part number
- 731765-B21
Overview
This item, 731765-B21, is the HPE option part number for the product described as 8GB (1x8GB) Single Rank x4 PC3L-12800R (DDR3-1600) Registered CAS-11 Low Voltage Memory Kit. Further details below.
Upgrade your server's memory with this HPE 8GB DDR3L-1600 Registered memory module. Operating at a low voltage of 1.35V, this single-rank module offers efficient performance while reducing power consumption. With a CAS Latency of 11 and ECC data integrity, this memory kit ensures reliable and stable operation for your critical applications.
This 8GB PC3L-12800R RDIMM is compatible with a wide range of HPE ProLiant servers, including but not limited to the DL360p Gen8, DL380p Gen8, DL580 Gen8, and ML350p Gen8. Registered memory provides enhanced stability and is ideal for demanding server environments requiring high capacity and performance.
HPE Option Part #: 731765-B21
HPE Spare Part #: 735302-001
HPE Assembly Part #: 731656-081
PRODUCT SPECIFICATIONS FOR 731765-B21:
- Memory for (processor type): Intel
- DIMM type: RDIMM
- DIMM capacity: 8GB
- DIMM rank: Single
- Dimensions (W x D x H): 8.89 x 19.81 x 1.91 cm
- Weight: 0.45 kg
- CAS Latency: CL11
- Data Integrity Check: ECC
- Form Factor: DIMM 240-pin
- Memory Specification Compliance: PC3L-12800
- Memory Speed: 1600 MHz
- RAM Features: Low Voltage , Single Rank
- Registered or Buffered: Registered
- Storage Capacity: 8 GB
- Supply Voltage: 1.35 V
- Technology: DDR3L SDRAM
- Type: DRAM
- Upgrade Type: System specific
COMPATIBLE WITH:
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 731765-B21
| Spare PN | Description | |
|---|---|---|
 | 735302-001 | 8GB, 1600MHz, PC3L-12800R-11, DDR3, single-rank x4, 1.35V, registered dual in-line memory module (RDIMM) |
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.
Part numbers
Every number below identifies this same part. Match any of them to the label on the part you are replacing.
Questions about 731765-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
HP server memory
“HP rep referred me here to help determine the correct memory for our server. We are happy with the service.”
Write a Review
731765-B21 HPE 8GB (1x8GB) Single Rank x4 PC3L-12800R (DDR3-1600) Registered CAS-11 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.
