Name: P18446-B21 HP 64GB DDR4-2666MHz PC4-21300 ECC Registered LRDIMM CL19 4Rx4 1.2V 288-Pin Memory Module
Brand: HPE
SKU: P18446-B21
Price: 299.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HP 64GB DDR4-2666MHz PC4-21300 ECC Registered LRDIMM combines high capacity and error-correcting capabilities to serve enterprise-grade servers. It fits into 288-pin slots and operates efficiently at a low voltage, making it a practical choice for systems where reliability and power efficiency matter.

General Information
Brand	HPE
Part Number	P18446-B21

Technical Information
Memory Capacity	64GB
Memory Technology	DDR4
Module Type	LRDIMM
RAM Standard	PC4-21300
Pin Count	288-Pin
Error Correction	ECC
Rank	4Rx4
Voltage	1.2V

Performance
Bus Speed	2666MHz
Bandwidth	21300 MB/s
Native Speed	2666MHz
CAS	CL19

Physical Characteristics
Weight	0.50
Condition	Refurbished

Product Description
This 64GB DDR4-2666MHz memory module is built to enhance server performance by providing reliable and high-capacity memory. It's commonly used in enterprise environments where stable and error-free operation is critical, such as data centers and professional workstations. Designed for IT administrators and businesses requiring dependable memory solutions, this module supports workloads that demand both speed and data integrity. Key Features Utilizes ECC Registered technology to detect and correct memory errors during operation Supports a CL19 latency timing for balanced performance Features a 4Rx4 rank configuration suited for high-density memory setups Operates on a 1.2V power supply to reduce overall energy consumption Compatible with servers requiring 288-pin LRDIMM modules This memory module is often found in rack or tower servers running critical applications where uptime and data accuracy are essential. Its use can contribute to smoother multitasking and better handling of memory-intensive operations without compromising system reliability.

Use Cases
The HP 64GB DDR4-2666MHz PC4-21300 ECC Registered LRDIMM is designed for deployment in enterprise server environments demanding high memory capacity with error correction capabilities. It is particularly suited for IT professionals managing virtualized infrastructures, large-scale databases, and mission-critical applications where memory reliability directly impacts uptime and data integrity. How It's Used: Supporting virtualization hosts in data centers to maximize VM density while maintaining system stability. Enhancing performance and reliability in high-throughput database servers used by financial institutions and analytics firms. Providing scalable memory capacity for enterprise resource planning (ERP) systems in large organizations. Enabling efficient operation of storage clusters requiring consistent memory performance under heavy I/O loads. Optimizing memory resources in cloud service provider environments to balance power consumption and processing demands. This memory module effectively contributes to operational efficiency by reducing system errors and downtime through ECC support, while its high capacity and low voltage design facilitate scalable and energy-conscious deployments in demanding IT infrastructures.

P18446-B21 HP 64GB DDR4-2666MHz PC4-21300 ECC Registered LRDIMM CL19 4Rx4 1.2V 288-Pin Memory Module

Product Overview

General Information

Technical Information

Performance

Physical Characteristics

Product Description

Use Cases