HPE Gen10 Memory (2nd Gen CPU)
HPE 128GB (1 x 128GB) Quad Rank x4 DDR4-2933 CAS-21-21-21 Load Reduced Smart Memory Kit
Fits 2 HPE ProLiant server models. See the list
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Part number cross-reference
- Part number
- P19047-B21
Overview
This item, P19047-B21, is the HPE option part number for the product described as 128GB (1 x 128GB) Quad Rank x4 DDR4-2933 CAS-21-21-21 Load Reduced Smart Memory Kit. Further details below.
This 128GB DDR4-2933 Load Reduced Smart Memory module is designed for HPE Gen10 servers that require maximum memory density without compromising performance. Operating at 2933 MHz with CL21 latency, it offers high bandwidth and reliability for virtualization, large-scale databases, and memory-intensive workloads.
Featuring quad-rank x4 architecture, ECC for error correction, and load-reduced technology, this module optimizes signal integrity and reduces electrical load on the memory bus. Compatible systems include but are not limited to select HPE Gen10 servers.
HPE Option Part #: P19047-B21
HPE Spare Part #: P19402-001
HPE Assembly Part #: P11057-1A1
PRODUCT SPECIFICATIONS FOR P19047-B21:
- Capacity: 128 GB
- Upgrade Type: System specific
- OEM Manufacturer Equivalent Part Number: HPE P19047-B21
- Type: DRAM memory module
- Technology: DDR4 SDRAM
- Form Factor: LRDIMM 288-pin
- Speed: 2933 MHz (PC4-23400)
- Latency Timings: CL21 (21-21-21)
- Data Integrity Check: ECC
- Features: Quad Rank, Load-Reduced
- Chips Organization: X4
- Voltage: 1.2 V
RESOURCES FOR P19047-B21
Quickspecs for P19047-B21COMPATIBLE 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 P19047-B21
| Spare PN | Description | |
|---|---|---|
 | P19402-001 | HPE 128GB (1x128GB) Quad Rank x4 DDR4-2933 CAS-24-21-21 Load Reduced Smart Memory Kit |
Last updated: 6/22/2026
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
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Part numbers
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Questions about P19047-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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P19047-B21 HPE 128GB (1 x 128GB) Quad Rank x4 DDR4-2933 CAS-21-21-21 Load Reduced Smart Memory Kit
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