Samsung 16GB DDR4-2133 ECC Un-Buffer LP Server Memory Module

Overview

The Samsung M391A2K43BB1-CPB is a 16GB DDR4 ECC unbuffered memory module designed for servers and professional systems that require reliable error correction and stable performance. Operating at 2133 Mbps with a low voltage of 1.2 V, it balances efficient power use with consistent speed. This module’s ECC technology detects and corrects single-bit errors, making it essential for environments where data integrity and uptime are critical.

Its dual-rank 2R x 8 configuration and 288-pin DIMM form factor ensure compatibility with many servers and select high-end desktops or workstations. The low-profile design allows installation in compact spaces, fitting well in dense server racks or small workstations. This memory module supports demanding applications by reducing the risk of crashes and data corruption.

Key features

• ECC technology that automatically detects and corrects single-bit memory errors to maintain data integrity
• Low voltage operation at 1.2 V to reduce power consumption and heat generation in server environments
• Dual-rank 2R x 8 configuration that enhances memory performance and bandwidth
• Low-profile design that fits into systems with limited space, ideal for dense server racks or compact workstations
• Compatible with servers and select high-end desktops that support ECC unbuffered memory modules

Key specs

• Memory capacity: 16 GB
• Memory type: DDR4 ECC unbuffered
• Speed: 2133 Mbps
• Voltage: 1.2 V
• Configuration: Dual-rank 2R x 8
• Form factor: 288-pin DIMM

Connectivity and compatibility

This memory module is designed to fit into 288-pin DIMM slots commonly found in servers and some high-end desktops or workstations that support ECC unbuffered DDR4 memory. It is not compatible with standard consumer desktops that require non-ECC memory. Its design ensures seamless integration with systems that prioritize data accuracy and uptime.

Ideal uses and environments

The Samsung M391A2K43BB1-CPB is well suited to data centers, enterprise servers, and professional workstations where system stability and error correction are vital. It supports workloads that demand continuous operation and data integrity, such as database management, virtualization, and critical business applications. Its low power consumption also makes it a practical choice for energy-conscious IT environments.