Samsung 8GB DDR4-2666 LP ECC REG DIMM Memory Module

Overview

The Samsung M393A1G40EB2-CTD is an 8GB DDR4-2666 registered memory module designed to deliver reliable capacity and consistent speed for server environments. Operating at 2666 megatransfers per second with a low voltage of 1.2 volts, it balances fast data transfer with energy efficiency, making it well suited for data centers and virtualization hosts where power and performance are critical.

This module features built-in Error Correction Code (ECC) with 8-bit parity to protect against common memory errors, ensuring data integrity in mission-critical applications. Its registered DIMM design enhances signal stability, which is essential for maintaining system reliability under heavy workloads.

Key features

• Data rate of 2666 MT/s supports smooth and efficient memory operations in server tasks
• Low 1.2-volt power requirement helps reduce overall energy consumption in dense server racks
• ECC with 8-bit parity detects and corrects memory errors to maintain data accuracy
• Registered DIMM architecture improves signal integrity for stable performance in multi-DIMM configurations
• Supports both x4 and x8 memory organizations, offering flexibility for various system designs
• Compatible with dual DIMM per channel setups and up to two ranks per DIMM, allowing scalable upgrades
• Standard 288-pin DDR4 form factor ensures easy installation on most server motherboards

Key specs

• Capacity: 8 GB
• Memory type: DDR4
• Speed: 2666 MT/s
• Voltage: 1.2 V
• ECC: 8-bit parity
• DIMM type: Registered (RDIMM)
• Pin count: 288 pins
• Component layout: (1G × 4) × 18
• Supports x4 and x8 organizations
• Ranks per DIMM: up to 2

Connectivity and compatibility

This memory module is designed to fit standard 288-pin DDR4 server motherboards, making it compatible with a wide range of server platforms. Its support for dual DIMM per channel configurations allows it to work efficiently in systems requiring high memory density and bandwidth. The registered design ensures compatibility with enterprise-grade servers that demand stable and error-free memory operation.

Ideal uses and environments

The Samsung M393A1G40EB2-CTD is a strong choice for data center operators, system integrators, and IT teams managing virtualization hosts, database servers, or other mission-critical systems. Its combination of error correction, power efficiency, and signal stability makes it well suited to environments where uptime and data integrity are paramount. It also fits well in setups that require incremental memory upgrades or full system builds with scalable performance.