HPE DX 16GB (1 x 16GB) Dual Rank x8 DDR4-3200 CAS-22-22-22 Registered Smart FIO Memory Kit
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Part number cross-reference
- Part number
- P43168-B21
Overview
This item, P43168-B21, is the HPE option part number for the product described as DX 16GB (1 x 16GB) Dual Rank x8 DDR4-3200 CAS-22-22-22 Registered Smart FIO Memory Kit. Further details below.
Boost your Gen10 Plus and Gen11 server performance with the HPE DX 16GB DDR4-3200 Memory Kit. This high-performance memory kit is designed to enhance your server's speed and efficiency, featuring DDR4-3200 technology and low Latency Timings of CAS-22-22-22. The dual-rank x8 configuration maximizes memory bandwidth and optimizes data throughput, making it ideal for demanding workloads in enterprise environments.
With registered technology, this memory kit provides enhanced stability and reliability for mission-critical applications. Compatible with certain Gen10 Plus and Gen11 HPE servers, it offers an easy upgrade path to support larger memory requirements and improve the overall performance of your IT infrastructure.
HPE Option Part #: P43168-B21
COMPATIBLE WITH:
OTHER HPE MACHINES
** This list may not be complete. Contact us via Live Chat if you have any questions about compatibility.
HPE PARTSURFER INFO FOR P43168-B21
| Spare PN | Description | |
|---|---|---|
| P21673-001 | SPS-DIMM,16GB PC4-3200AA-R,1Gx8 |
Last updated: 12/27/2025
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 P43168-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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P43168-B21 HPE DX 16GB (1 x 16GB) Dual Rank x8 DDR4-3200 CAS-22-22-22 Registered Smart FIO 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.


