Detailed Specifications
HPE P43328-B21 32 GB DDR5 Registered Server Memory
Overview
The HPE P43328-B21 is a 32 GB DDR5 SmartMemory module designed for HPE ProLiant Gen11 and compatible platforms. It offers a dual-rank x8 architecture and runs at 4800 MT/s, delivering a strong balance of capacity and bandwidth for server workloads. With ECC and registered buffering, it ensures high data integrity and system stability under load. The module operates at a low voltage of 1.1 V, which helps minimize power consumption and heat generation in dense memory configurations.
Key Features
32 GB capacity in dual-rank (2R) configuration
4800 MT/s (DDR5-4800) for high memory bandwidth
ECC Registered (RDIMM) for error correction and reliability
CAS latency of 40-39-39 for predictable performance
Low-voltage operation at 1.1 V to improve energy efficiency
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE |
| Part Number | P43328-B21 |
| Product Type | Server Memory Module (Registered DIMM) |
| Memory Size | 32 GB |
| Memory Technology | DDR5 SDRAM |
| Speed / Data Rate | 4800 MT/s (PC5-38400) |
| CAS Latency | CL40 (40-39-39) |
| Rank | Dual-Rank (2R) |
| Organization | x8 |
| Error Correction | ECC Registered |
| Voltage | 1.10 V |
| Form Factor | 288-pin DIMM |
| Supported Platforms | HPE ProLiant Gen11 (and other DDR5-enabled servers) |
| Operating Temperature | Standard server-grade 0-85 °C (per similar HPE modules) |
| Module Dimensions (L × W × H) | ~7.50″ × 3.50″ × 0.52″ |
| Weight | ~40 g |
