What systems is this memory module designed for?

It is intended for compatible DDR3 servers and workstations that require unbuffered ECC memory in a 240-pin DIMM format.

Why choose ECC memory for a legacy server?

ECC helps detect and correct common memory errors, which improves reliability in systems that must run continuously.

Can this module replace standard desktop RAM?

Only if the system specifically supports DDR3 unbuffered ECC DIMMs. It is not a universal desktop memory module.

What does 1,066 MHz indicate?

It is the memory speed rating, which identifies the module as DDR3-1066, also known as PC3-8500 class memory.

Samsung

SAMSUNG - SOURCING SAMSUNG 2GB DDR3-1066 UNBUFFERED ECC

Out of Stock

Samsung M391B5673DZ1-CF8 2GB DDR3-1066 ECC RAM | Server Memory

Name: Samsung 2GB DDR3-1066 Unbuffered ECC Memory
Brand: Samsung
SKU: M391B5673DZ1-CF8
Price: 80.73 USD
Availability: OutOfStock

Samsung

MPN: M391B5673DZ1-CF8

$80.73

Free shipping on orders over $500

Authorized Dealer — Full manufacturer warranty

Key Features

2 GB DDR3 SDRAM capacity
1,066 MHz memory speed
Unbuffered ECC module design
Samsung M391B5673DZ1-CF8 MPN
DDR3 DIMM form factor
PC3-8500 class memory
Standard 240-pin desktop/server memory interface
Preserve server uptime with 2 GB ECC memory for compatible DDR3 platforms

Maintain dependable performance in older server platforms with Samsung M391B5673DZ1-CF8 2 GB DDR3-1066 unbuffered ECC memory. This module is designed for environments where consistency matters more than headline speed, giving infrastructure teams a practical way to extend the life of compatible systems without changing the platform. ECC support helps detect and correct common memory errors before they affect workloads, which is especially valuable in servers running file services, light virtualization, application hosting, or control systems. The unbuffered design keeps the module aligned with platforms that require standard server memory rather than registered DIMMs. At 1,066 MHz, this module fits legacy DDR3 systems that still need reliable, qualified replacement memory. For procurement teams, that means a straightforward path to maintain installed hardware, reduce replacement risk, and avoid unnecessary platform refreshes when the workload does not justify it. Samsung’s memory manufacturing pedigree adds confidence for long service cycles and repeatable deployment across compatible systems.