HPE 32GB DDR4-2666 RDIMM Memory Module (815100-B21)

Equipment Overview

The HPE 815100-B21 32GB (1x32GB) Dual Rank x4 DDR4-2666 CAS-19-19-19 Registered Memory Kit is a server-grade memory module designed for enterprise workloads requiring high reliability and performance. This RDIMM delivers 32 GB capacity per module with an effective frequency of 2666 MHz, providing a bandwidth of 21300 MB/s. It supports ECC for error detection and correction, making it suitable for mission-critical applications such as virtualization, databases, and high-performance computing. The kit includes one 32 GB registered DIMM with 288 pins and operates at a standard voltage of 1.2 V.

Main Parameters

• Part Number: 815100-B21
• Capacity: 32 GB (1x32 GB)
• Form Factor: RDIMM (Registered DIMM)
• Memory Standard: DDR4
• Effective Frequency: 2666 MHz
• CAS Latency (CL): 19
• Bandwidth: 21300 MB/s
• Voltage: 1.2 V
• ECC Support: Yes
• Registered (Buffered): Yes
• Rank: Dual Rank x4
• Pin Count: 288
• Operating Temperature (Tcase): 85 °C
• Heatsink: Not included

Key Advantages

This memory kit is selected for enterprise deployments due to its registered buffering, which enhances signal integrity and stability in multi-module configurations. The dual-rank x4 architecture and ECC support ensure data accuracy and improved memory utilization in demanding server environments. With a low operating voltage of 1.2 V, it contributes to energy efficiency without compromising throughput.

Compatibility & Integration

The module adheres to industry-standard DDR4 RDIMM specifications and is compatible with HPE ProLiant Gen10 and select Gen9 server platforms supporting 2666 MHz registered memory. It integrates seamlessly into existing server memory channels, meeting JEDEC standards for DDR4-2666 operation. Verify server model support via HPE QuickSpecs prior to installation.