HPE 64GB (1 x 64GB) Quad Rank x4 DDR4-2400 CAS-17-17-17 Load Reduced Memory Kit
Fits 7 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- 805358-B21
Overview
This item, 805358-B21, is the HPE option part number for the product described as 64GB (1 x 64GB) Quad Rank x4 DDR4-2400 CAS-17-17-17 Load Reduced Memory Kit. Further details below.
Improve your server's efficiency with this HPE 4GB DDR4-2133 Unbuffered Memory Kit. Consisting of a single 4GB Single Rank x8 module, this memory upgrade provides a foundational boost to your system's performance, enabling smoother operation and quicker response times for essential applications.
This memory kit is a cost-effective solution for enhancing basic server functionality. Compatible with a range of HPE servers, including but not limited to the DL20 Gen9, ML10 Gen9, and ML30 Gen9, this 4GB DDR4-2133 memory kit offers a simple and straightforward upgrade path.
HPE Option Part #: 805358-B21
HPE Spare Part #: 819413-001
HPE Assembly Part #: 809085-091
PRODUCT SPECIFICATIONS FOR 805358-B21:
- Type: DRAM
- Product Type: Memory module
- Form Factor: LRDIMM 288-pin
- Technology: DDR4 SDRAM
- Storage Capacity: 64 GB
- Registered or Buffered: Load-Reduced
- Data Integrity Check: ECC
- Chips Organization: X4
- Memory Speed: 2400 megahertz
- Memory Specification Compliance: PC4-19200
- Supply Voltage: 1.2 volt
- CAS Latency: CL17
- Latency Timings: 17-17-17
- RAM Features: Quad Rank
COMPATIBLE WITH:
PROLIANT BL SERIES
PROLIANT DL SERIES
PROLIANT ML SERIES
PROLIANT XL 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 805358-B21
| Spare PN | Description | |
|---|---|---|
 | 819413-001 | 64GB LRDIMM - Quad Rank x4 DDR4-2400 CAS-17-17-17 Load Reduced Memory Kit (For use in E5-2600 v4 series Processors) |
Last Updated: 2026-09-17
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 805358-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
5 reviews
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Good website
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5 stars
“The shipping process was efficient, and I received my order in perfect condition.”
Global One Technology for the win
“Ordered these at 5pm ATL time and received them the next morning!”
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805358-B21 HPE 64GB (1 x 64GB) Quad Rank x4 DDR4-2400 CAS-17-17-17 Load Reduced 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.
