Name: M393A2K40CB2-CTD8Q Samsung 16GB DDR4-2666 ECC RDIMM Server Memory
Brand: Samsung
SKU: M393A2K40CB2-CTD8Q
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (122 reviews)

Product Overview
The Samsung M393A2K40CB2-CTD8Q is a 16GB DDR4-2666 ECC Registered DIMM designed primarily for server and workstation applications. It features error-correcting code to enhance data integrity, operates at 2666 MT/s with a CAS latency of 19, and utilizes RDIMM architecture to support system stability in demanding IT environments.

General Information
Brand	Samsung

Technical Information
Memory Capacity	16GB
Memory Technology	DDR4
Module Type	RDIMM
RAM Standard	PC4-21300
Pin Count	288-Pin
Error Correction	ECC,Registered
Rank	2Rx4
Voltage	1.2V

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

Physical Characteristics
Package	FBGA
Weight	3.00
Condition	Refurbished

Miscellaneous
Compliance Standards	RoHS
Assembly Required	No

Product Description
The Samsung M393A2K40CB2-CTD8Q is a 16GB DDR4-2666 ECC Registered DIMM memory module designed for use in servers and workstations. It provides error-correcting code (ECC) which helps detect and correct data corruption, improving system stability in critical computing environments. This module operates at a DDR4 speed of 2666 MT/s with a CAS latency of 19, balancing performance and reliability. It is intended for IT professionals who manage enterprise servers or high-end workstations requiring dependable memory solutions. Key Features 16GB memory capacity for handling moderate to large workloads DDR4 technology running at 2666 MT/s for improved data transfer rates ECC functionality to detect and correct memory errors Registered DIMM (RDIMM) design for greater signal integrity and stability CAS latency of 19 indicating memory access delay This Samsung ECC RDIMM memory module supports the maintenance of system data integrity, which is vital for servers processing critical applications. Its specifications suit environments where error correction and consistent memory performance help prevent downtime and data corruption.

Use Cases
This memory module is typically used in enterprise servers and high-performance workstations where data accuracy and system reliability are essential. It supports workloads that involve complex computations, virtualization, and database management, benefiting IT administrators and system architects. How It's Used: Installed in servers requiring ECC memory to reduce data errors Used in workstations running CAD, 3D modeling, or scientific simulations Deployed in virtualization hosts managing multiple virtual machines Integrated into database servers processing large datasets Included in computing environments needing registered DIMM modules for stable operation By maintaining memory accuracy and stability, this module plays a key role in sustaining the operational integrity of critical systems. It helps reduce memory-related system failures in environments where uptime and data correctness are priorities.

FAQ's
What does ECC mean in this memory module? ECC stands for Error-Correcting Code, a feature that detects and corrects common data corruption in memory to improve system reliability. Is this memory compatible with standard desktops? This Samsung module is an RDIMM designed for servers and is generally incompatible with standard desktop computers that use unbuffered DIMMs. What does RDIMM indicate in this product? RDIMM means Registered DIMM, which includes a register between the memory and the controller to improve signal integrity and stability in multi-module systems. What is the significance of DDR4-2666 in this memory? DDR4-2666 refers to the memory type and its data transfer rate of 2666 million transfers per second, indicating its speed and generation. What does CAS latency 19 mean? CAS latency 19 specifies the delay time between a command and the moment data becomes available, here indicating 19 clock cycles delay for this memory module. Can this module be used in servers requiring ECC memory? Yes, it is specifically designed as an ECC module to support servers that require error correction for data integrity.