Name: M386AAK40B40-CWD7Q Samsung 128GB DDR4 PC4-21300 8RX4 Memory Module
Brand: Samsung
SKU: M386AAK40B40-CWD7Q
Price: 1169.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Samsung 128GB DDR4 PC4-21300 8RX4 memory module offers a powerful solution for enterprise servers and workstations that need large, fast, and reliable memory. It fits into systems where consistent performance and error correction are essential, helping keep demanding applications running smoothly without interruption.

General Information
Brand	Samsung
Part Number	M386AAK40B40-CWD7Q

Technical Information
Memory Capacity	128GB
Memory Technology	DDR4
Module Type	RDIMM
RAM Standard	PC4-21300
Pin Count	288-Pin
Error Correction	ECC Registered
Rank	8Rx4
Voltage	1.2V

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

Physical Characteristics
Weight	0.50
Condition	Refurbished

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

Product Description
This Samsung memory module delivers 128GB of DDR4 RAM designed to handle demanding workloads and large datasets. It is commonly used in servers and high-end workstations requiring robust performance and stability. Built for data centers and enterprise environments, it supports intensive applications like virtualization, database management, and scientific computing. IT professionals and system administrators often rely on such modules to ensure smooth operation and scalability. Key Features Large capacity suitable for memory-heavy tasks High-speed PC4-21300 rating for fast processing 8RX4 design enhances error correction and stability Supports dual-rank memory architecture Designed to meet stringent server reliability standards This memory module is typically deployed in server farms, cloud infrastructures, and professional workstations. Installing it can significantly improve system responsiveness and support critical operations in business environments.

Use Cases
The Samsung 128GB DDR4 PC4-21300 8RX4 memory module is designed for high-demand computing environments where large memory capacity and stability are critical. It is particularly suited for enterprise servers and workstations handling intensive workloads such as virtualization, analytics, or large database operations. How It's Used: Deploying in data center servers to support virtualization platforms requiring high memory density and error correction. Equipping enterprise IT infrastructure for real-time analytics and large-scale data processing tasks. Enhancing performance in storage clusters managing vast volumes of data with consistent throughput. Supporting advanced workstation setups used by engineers and designers running memory-intensive simulations and rendering. Integrating into rack-mounted servers in SMB networks where scalability and reliability are crucial. By delivering substantial memory capacity with stable performance, this module enables organizations to run complex workloads efficiently, scale infrastructure without frequent upgrades, and maintain operational continuity under intensive computing demands.

M386AAK40B40-CWD7Q Samsung 128GB DDR4 PC4-21300 8RX4 Memory Module

Product Overview

General Information

Technical Information

Performance

Physical Characteristics

Miscellaneous

Product Description

Use Cases