HPE 128GB (1x128GB) Octal Rank x4 DDR4-2400 CAS-20-18-18 Load Reduced Memory Kit
Fits 5 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- 809208-B21
Overview
This item, 809208-B21, is the HPE option part number for the product described as 128GB (1x128GB) Octal Rank x4 DDR4-2400 CAS-20-18-18 Load Reduced Memory Kit. Further details below.
Boost the performance of your HPE server with this 16GB DDR4 Registered Smart Memory Kit. Operating at 2666MHz (PC4-21300) with a CAS Latency of 19, this ECC-protected module ensures reliable data transfer and improved system stability. Designed for efficient performance, this memory module enhances application responsiveness and overall server efficiency.
This HPE SmartMemory kit is compatible with a variety of HPE ProLiant Gen10 servers equipped with 1st Generation CPUs, including but not limited to the DL380 Gen10, DL360 Gen10, DL560 Gen10, DL580 Gen10, ML350 Gen10, ML110 Gen10, BL460c Gen10, XL170r Gen10, XL190r Gen10, and XL230k Gen10 servers. With its single-rank configuration, this memory module provides a cost-effective and reliable upgrade solution for your server infrastructure.
HPE Option Part #: 809208-B21
HPE Spare Part #: 819415-001
HPE Assembly Part #: 809086-091
PRODUCT SPECIFICATIONS FOR 809208-B21:
- Memory Size: 128 GB
- Memory Technology: DDR4 SDRAM
- Number Of Modules: 1 X 128GB
- Chip Organization: X4
- Memory Speed: 2400 Mhz
- Memory Standard: DDR4-2400/PC4-19200
- Signal Processing: Registered
- Error Checking: ECC
- CAS Latency: CL20
- Pin Count: 288-pin
- Voltage: 1.2v
- Form Factor: LRDIMM
COMPATIBLE WITH:
PROLIANT DL SERIES
PROLIANT ML SERIES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR 809208-B21
| Spare PN | Description | |
|---|---|---|
 | 819415-001 | 128GB PC4-2400U-L, Load Reduced Synchronous Dynamic Random Access Memory (LRSDRAM),dual data rate(DDR4) mode, dual in-line memory module (DIMM), organized as 16Gx72 |
Last Updated: 2026-06-25
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
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Questions about 809208-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.
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809208-B21 HPE 128GB (1x128GB) Octal Rank x4 DDR4-2400 CAS-20-18-18 Load Reduced Memory Kit
Filling a whole server?
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