Overview
The HPE P11445-B21 is a 32GB DDR5-4800MHz SmartMemory Registered DIMM for HPE ProLiant Gen11 servers. As one of the first DDR5 offerings in the HPE ecosystem, this module brings a 50% bandwidth increase over DDR4-3200, on-die ECC for enhanced reliability, and improved power efficiency at 1.1V. It is the standard memory module for new DL360 Gen11 and DL380 Gen11 deployments.
Specifications
| Specification | Detail |
|---|---|
| Part Number | P11445-B21 (option) |
| Capacity | 32GB |
| Type | DDR5 RDIMM (Registered) |
| Speed | 4800MHz (PC5-38400) |
| Rank | Single Rank (1Rx4) |
| Voltage | 1.1V |
| ECC | Yes — with on-die ECC |
| Form Factor | 288-pin DDR5 DIMM |
| Compatible Generation | HPE Gen11 |
This Part Fits These Servers
- HPE ProLiant DL360 Gen11
- HPE ProLiant DL380 Gen11
- HPE ProLiant DL380a Gen11
- HPE ProLiant ML350 Gen11
- HPE Synergy 480 Gen11
Not sure about compatibility? ICD’s technical team verifies every order against your server’s generation and configuration before shipping.
Cross-Reference Part Numbers
- P43022-B21 (alternate PN)
- P43335-B21 (64GB variant)
All cross-referenced part numbers are functionally identical. ICD stocks both OEM and compatible options — specify your preference when requesting a quote.
Why Choose ICD
ICD maintains a catalog of over 100,000 enterprise server parts — one of the largest independent inventories of Dell, HPE, Lenovo, Cisco, and IBM components available. Every part ships tested, verified, and ready for production deployment. ICD sources exclusively from US and European channels with full traceability.
Whether you need a single module for a break-fix or volume quantities for a data center refresh, ICD delivers with same-day quoting and global shipping.
Get a Quote for P11445-B21
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