Name: M391A1K43BB2-CTD Samsung 8GB DDR4 PC4-21300 2666MHz UDIMM ECC CL19 1.2V Single Rank 288-Pin Memory Module
Brand: Samsung
SKU: M391A1K43BB2-CTD
Price: 179.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Samsung 8GB DDR4 PC4-21300 UDIMM ECC module offers 2666MHz speed and error-correcting capabilities suited for systems where memory reliability is important. It fits standard 288-pin slots and provides a low-voltage, single rank solution for a range of professional and business computing environments.

General Information
Brand	Samsung
Part Number	M391A1K43BB2-CTD

Technical Information
Memory Capacity	8GB
Memory Technology	DDR4
Module Type	UDIMM
RAM Standard	PC4-21300
Pin Count	288-Pin
Error Correction	ECC
Rank	Single Rank
Voltage	1.2V

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

Physical Characteristics
Weight	0.50
Condition	Refurbished

Miscellaneous
Eco Friendly	Yes
Assembly Required	Yes

Product Description
This Samsung memory module provides reliable 8GB DDR4 RAM with built-in ECC to detect and correct common memory errors, improving system stability. It is commonly used in workstations, servers, and desktops that require error-free memory operation. Built for environments that demand consistent uptime, such as business applications and data processing tasks, this module offers a balance of speed and reliability. IT professionals and system builders often choose it to enhance memory capacity without compromising system integrity. Key Features Supports DDR4 technology with 2666MHz clock speed for smooth data handling Includes ECC to automatically correct single-bit memory errors Single rank layout helps maintain compatibility with a wide range of systems Operates at a low voltage of 1.2V to reduce power consumption Designed for 288-pin DIMM slots used in many modern motherboards This module is typically deployed in servers and professional desktop setups where memory reliability is crucial. It plays a key role in maintaining data accuracy and system uptime in demanding workloads. By integrating this memory, users get a dependable upgrade that enhances both performance and stability, especially in error-sensitive computing tasks.

Use Cases
The Samsung 8GB DDR4 PC4-21300 UDIMM ECC memory module is designed for use in systems where data integrity and memory reliability are critical. It is particularly suited for professional and enterprise environments requiring consistent performance under demanding workloads, such as servers and workstations running error-sensitive applications. How It's Used: Deploying in entry-level servers within SMB data centers to ensure error correction during transaction processing. Integrating into business-class workstations handling CAD, engineering simulations, or financial modeling workloads. Supporting virtualization hosts that require stable and reliable memory for multiple concurrent virtual machines. Enhancing reliability in storage cluster nodes that manage critical data replication and backup operations. Upgrading remote office servers where memory faults could lead to downtime or data corruption. This module supports operational efficiency by reducing memory-related errors in mission-critical systems, allowing IT administrators to maintain scalability and uptime. Its ECC capabilities help safeguard data integrity, making it a dependable choice for infrastructures where performance and reliability intersect.