HPE P43328‑B21 32GB DDR5‑4800 DDR5 Registered SmartMemory
Key Features
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32 GB DDR5‑4800 registered memory
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ECC error detection and correction
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Dual‑rank x8 architecture
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288‑pin DIMM form factor
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HPE P43328‑B21 32GB DDR5‑4800 DDR5 Registered SmartMemory
Overview
The HPE P43328‑B21 is a 32 GB DDR5‑4800 registered SmartMemory module designed for HPE server platforms that support DDR5 ECC memory. It operates at 4800 MT/s data rate with dual‑rank x8 organization for increased bandwidth and reliability in enterprise workloads. ECC registration provides error detection and correction for up‑time critical systems and supports configurations with multiple DIMMs per channel. This module fits standard 288‑pin DIMM slots and is intended for data center, virtualization, and compute‑intensive environments requiring robust memory performance.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | HPE |
| Part Number | P43328‑B21 |
| Product Type | DDR5 Registered DIMM |
| Memory Size | 32 GB |
| Memory Technology | DDR5 SDRAM |
| Memory Speed | 4800 MT/s (PC5‑38400) |
| CAS Latency | CL40‑39‑39 |
| Rank | Dual Rank (2R ×8) |
| Error Correction | ECC Registered |
| Voltage | 1.10 V |
| Form Factor | 288‑pin DIMM |
| Pin Count | 288 pins |
| Organization | x8 |
| Operating Temperature | 0 °C to 85 °C (typical server specification) |
| Weight | ~40 g |
Additional information
| Brand | HPE |
|---|







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