HP

HP 815101-B21 64GB PC4-2666V-L Memory Module

Maximize Server Performance with the HPE 64GB Memory Module The HPE 815101-B21 is a high-capacity memory module designed to enhance the performance of your server. With 64GB of DDR4 memory, this module delivers exceptional speed and reliability for demanding workloads, making it ideal for data ce...

$499.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Maximize Server Performance with the HPE 64GB Memory Module

The HPE 815101-B21 is a high-capacity memory module designed to enhance the performance of your server. With 64GB of DDR4 memory, this module delivers exceptional speed and reliability for demanding workloads, making it ideal for data centers and enterprise environments.

Specifications:

  • Brand: HPE
  • Model: 815101-B21
  • Capacity: 64GB
  • Type: DDR4
  • Speed: PC4-2666V
  • Rank: 4DRX4
  • Quantity: 1 x 64GB Module

Specifications

Capacity
64GB
Memory Standard
PC4-2666V-L
Part Number
815101-B21

Pros & Cons

👍 Pros

  • Offers a generous 64GB capacity, significantly boosting system memory for demanding applications and multitasking.
  • Features a PC4-2666V-L standard, indicating it is optimized for high-performance and power-efficient operation.
  • Designed as a memory module, providing a critical component for system upgrades or builds.
  • From HP, a reputable brand, suggesting reliability and compatibility with certain systems.
  • The specific part number 815101-B21 allows for precise identification and matching with compatible systems.

👎 Cons

  • The specific system architecture (e.g., registered/unbuffered, ECC/non-ECC) is not provided, which is crucial for compatibility.
  • Memory speed is fixed at 2666V-L, which might not be the fastest available for all high-performance computing needs.
  • No mention of a heat spreader or cooling features, which could be a consideration for sustained high loads.
  • The number of modules is not specified (e.g., 1x64GB or 2x32GB), impacting dual-channel memory configurations.
  • Lacks aesthetic features like RGB lighting, which some users prefer for modern PC builds.

Frequently Asked Questions

This HP 815101-B21 memory module provides a capacity of 64GB, suitable for significant memory upgrades.
This memory module is of the PC4-2666V-L standard, which indicates its operational characteristics and speed.
Compatibility depends on your system's motherboard and processor, as it requires support for PC4-2666V-L memory and the appropriate slot type.
The part number for this HP memory module is 815101-B21, which helps in identifying and matching it for system requirements.
The provided information does not specify any particular cooling features or heat spreaders for this memory module.