Name: M393AAK40B42-CWD60 Samsung 128GB DDR4 PC4-21300 8Rx4 Server Memory Module
Brand: Samsung
SKU: M393AAK40B42-CWD60
Price: 945.60 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Samsung 128GB DDR4 PC4-21300 8Rx4 Memory Module is built to deliver substantial memory capacity and reliable performance for demanding computing environments. It fits well into servers and workstations that handle large workloads and require consistent memory speed and stability without compromise.

General Information
Brand	Samsung
Part Number	M393AAK40B42-CWD60

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

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

Physical Characteristics
Weight	0.50
Condition	Refurbished

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

Product Description
This Samsung memory module offers 128GB of DDR4 RAM, tailored for environments demanding substantial memory resources. It is commonly used in data centers, enterprise servers, and high-performance workstations where multitasking and large datasets are the norm. Built to handle intensive applications and virtualization, this module fits seamlessly into systems requiring robust and reliable memory solutions. Key Features High capacity of 128GB supports extensive multitasking and large databases DDR4 technology provides improved speed and energy efficiency compared to previous generations PC4-21300 rating enables quick and stable data access for demanding tasks 8Rx4 rank structure enhances signal integrity and overall system stability Designed to be compatible with a wide range of server and workstation platforms You'll often find this module installed in enterprise-grade servers where uptime and performance are critical. It helps maintain smooth operation of virtual machines, large-scale computations, and memory-intensive applications. The module’s reliability plays a key role in minimizing system errors and downtime.

Use Cases
The Samsung 128GB DDR4 PC4-21300 8Rx4 Memory Module is designed for high-density server environments where large-scale data processing and memory-intensive applications are critical. It is ideal for IT infrastructures that demand reliable and consistent memory performance to support virtualization, database management, and high-throughput computing. How It's Used: Deployed in enterprise data centers to enhance virtualization host capacity and support multiple virtual machines. Utilized in high-performance computing clusters running large-scale simulations and analytical workloads. Integrated into storage servers handling intensive input/output operations for database management systems. Implemented in cloud service provider infrastructures requiring scalable memory for multi-tenant environments. Applied in rack-mounted servers powering AI and machine learning platforms with substantial memory bandwidth needs. This memory module supports operational efficiency by enabling scalable memory configurations that maintain performance stability under demanding workloads. Its capacity and reliability facilitate sustained throughput and responsiveness essential for mission-critical IT deployments.