This item, 815100-B21, is the HPE option part number for the product described as 32GB (1x32GB) Dual Rank x4 DDR4-2666 CAS-19-19-19 Registered Smart Memory Kit. Further details below.
Enhance your server's performance with this HPE 32GB DDR4-2666 Registered Memory Kit. This high-density memory module utilizes dual-rank architecture and operates at a speed of 2666 MHz, adhering to the PC4-21300 specification. Featuring a CAS Latency of CL19 (19-19-19), this registered DIMM (288-pin) ensures stable and reliable operation with ECC (Error Correcting Code) for data integrity. Operating at a low voltage of 1.2V, this memory module maximizes efficiency without sacrificing speed.
Specifically designed for servers utilizing 1st Generation CPUs, this memory kit is compatible with a range of HPE ProLiant servers, including but not limited to DL380 Gen10, DL360 Gen10, DL560 Gen10, and ML350 Gen10 models. This memory upgrade will significantly improve your server's ability to handle demanding applications and virtualized environments.
HPE Option Part #: 815100-B21
HPE Spare Part #: 850881-001
HPE Assembly Part #: 840758-091
PRODUCT SPECIFICATIONS FOR 815100-B21:
- Type: DRAM
- Product Type: Memory module
- Form Factor: DIMM 288-pin
- Technology: DDR4 SDRAM
- Storage Capacity: 32 GB
- Registered or Buffered: Registered
- Data Integrity Check: ECC
- Module Configuration: 4096 x 72
- Chips Organization: X4
- Memory Speed: 2666 megahertz
- Memory Specification Compliance: PC4-21300
- Supply Voltage: 1.2 volt
- CAS Latency: CL19
- Latency Timings: 19-19-19
- RAM Features: Dual Rank
RESOURCES FOR 815100-B21
Quickspecs for 815100-B21COMPATIBLE WITH:
PROLIANT BL SERIES
PROLIANT DL SERIES
PROLIANT ML SERIES
PROLIANT XL SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 815100-B21
| Spare PN | Description | |
|---|---|---|
 | 850881-001 | 32GB PC4-2666V-R, registered Synchronous Dynamic Random Access Memory (SDRAM) 2Gx4, operated in a Dual Data Rate (DDR4) mode, packaged in a dual in-line memory module organized as 4Gx72 ; |
Last updated: 5/2/2025
- Trusted by thousands. Over 36,000 customers in 100+ countries trust Global One Technology to deliver mission-critical HP Enterprise hardware - including Fortune 500 businesses, schools, hospitals, and federal, state, and local goverment agencies.
- HPE is our specialty! We only sell genuine HP Enterprise parts.
- EASY ordering process. Purchase online now with credit card or PayPal!
- FAST shipping. Global One Technology ships orders received by 5pm the same day and offers NEXT DAY delivery to US customers.
9 Reviews
-
5 Wonderful
Posted by Jace Russell on Feb 12, 2023
My purchase arrived earlier than expected, and I'm thrilled with the speedy delivery.
-
5 Good website
Posted by Steven Alexander on Apr 05, 2022
The website's design is top-notch, and the user interface is smooth. It's evident that they put effort into making it customer-friendly.
-
5 5 stars!
Posted by Jaliyah Murphy on Dec 19, 2021
The knowledgeable staff provided helpful recommendations, and I'm happy with the products I chose.
-
5 5 stars
Posted by Remy Cox on Sep 01, 2021
I want to express my gratitude for the outstanding customer support. They made me feel valued and heard.
-
5 The best
Posted by James Westfall on Aug 30, 2021
The pricing was competitive and the service was A+++
-
5 Favorite supplier
Posted by Paul Richards on Aug 10, 2021
Global One Tech always has what we need in stock at a good price. Fast shipping!
-
5 No problems
Posted by Troy W on Jul 28, 2021
Good product, good price, great service
-
5 Very good
Posted by Michael Smith on Jul 20, 2021
My purchase arrived faster than I expected, and I'm impressed by the efficiency of the shipping process. Kudos to the team for their promptness!
-
5 5 stars
Posted by Byron Parker on Jun 07, 2021
The website's layout is so well-organized, making it a breeze to browse through the products.
This product is warrantied against hardware failure for a period of 5 Years from the date of purchase. Before making a purchase, please take a moment to review our return policy below.
Returns
It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.
Please be aware that factory-sealed equipment can only be returned if it remains unopened.
Defective Products
If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.
In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).
Requesting an RMA
To initiate a return or warranty claim, please complete and submit the RMA Request Form.
