Name: 838081-B21 HPE 16GB DDR4 2666MHz ECC 1Rx4 Server Memory Module
Brand: HPE
SKU: 838081-B21
Price: 109.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HPE 16GB DDR4 PC4-21300 2666MHz ECC 1Rx4 Memory Module is a reliable server-grade component designed to increase memory capacity while ensuring data integrity through ECC. It fits seamlessly into compatible HPE servers, making it a practical choice for IT environments that demand stability and consistent performance.

General Information
Brand	HPE
Part Number	838081-B21

Technical Information
Memory Capacity	16GB
Memory Technology	DDR4
Module Type	RDIMM
RAM Standard	PC4-21300
Pin Count	288-Pin
Error Correction	ECC Registered
Rank	1Rx4
Voltage	1.2V

Performance
Bus Speed	2666MHz
Bandwidth	21300MB/s
Native Speed	2666MT/s
CAS	19

Physical Characteristics
Weight	0.50
Condition	Refurbished

Miscellaneous
Eco Friendly	Yes
Compliance Standards	RoHS, CE
Assembly Required	Yes

Product Description
This HPE 16GB DDR4 PC4-21300 memory module provides reliable and stable memory performance designed for enterprise servers. It is built for systems that require error-correcting code (ECC) to detect and correct memory errors, which helps maintain data integrity during demanding workloads. Often found in HPE ProLiant servers and other compatible models, this module suits IT professionals and data center managers looking to upgrade or expand server memory without compromising stability. Its 2666MHz speed and 1Rx4 rank configuration support efficient data processing and multitasking needs. Key Features Error-correcting ECC technology ensures system reliability High-speed 2666MHz frequency supports faster data access 1Rx4 rank layout enhances compatibility with server architectures 16GB capacity balances performance and upgrade flexibility Designed for HPE server platforms to maintain optimal operation This memory module is commonly deployed in business servers handling critical applications, databases, and virtualization tasks. It plays a key role in reducing system crashes or data corruption caused by memory faults, thereby supporting smooth and continuous server operation.

Use Cases
The HPE 16GB DDR4 PC4-21300 2666MHz ECC 1Rx4 Memory Module is primarily utilized in server environments requiring enhanced memory capacity and error-correcting capabilities. It benefits data center administrators and enterprise IT teams managing virtualization, database, and storage workloads where data integrity and system uptime are critical. How It's Used: Upgrading memory in HPE ProLiant servers deployed in enterprise data centers to support high-density virtualization workloads. Expanding capacity in storage clusters that rely on error-correcting memory to maintain data consistency during heavy I/O operations. Supporting multi-user remote office servers requiring stable memory performance under continuous network demand. Enhancing reliability in rack-mounted servers running critical database applications in SMB IT infrastructures. Integrating into edge computing devices where ECC memory reduces the risk of data corruption in harsh or unstable environments. By incorporating this memory module, organizations can maintain operational efficiency and scalability in demanding server deployments. Its ECC functionality helps minimize downtime caused by memory errors, supporting consistent performance in workloads that rely on stable, error-free memory operation.

838081-B21 HPE 16GB DDR4 2666MHz ECC 1Rx4 Server Memory Module

Product Overview

General Information

Technical Information

Performance

Physical Characteristics

Miscellaneous

Product Description

Use Cases