Samsung 16GB DDR4-2666 ECC RDIMM Server Memory Module

Overview

The Samsung M393A2K43CB2-CTD is a server memory module designed to provide 16GB of DDR4 capacity with error correction capabilities. Operating at 2666 Mbps and 1.2 volts, it balances speed and energy efficiency, making it well suited for data centers and enterprise environments where uptime and reliability are critical. Its registered design and built-in parity engine ensure stable performance even in fully populated server configurations.

Key features

• DDR4 ECC Registered memory that automatically detects and corrects single-bit errors to prevent data corruption and system crashes
• Runs at 2666 Mbps, delivering responsive performance for demanding server workloads and virtualization tasks
• Low voltage operation at 1.2 volts reduces power consumption and heat generation, helping maintain efficient data center operations
• Two rank x8 organization with an onboard register that buffers command, clock, and control signals to maintain signal integrity in multi-DIMM setups
• Standard 288-pin RDIMM form factor allows for easy installation in compatible server motherboards without additional configuration

Key specs

• Capacity: 16 GB
• Memory type: DDR4 ECC Registered DIMM
• Data rate: 2666 Mbps
• Voltage: 1.2 V
• Ranks: Two rank x8
• Pin count: 288 pins
• Memory organization: (1G x 8) x 18

Connectivity and compatibility

This memory module is compatible with server motherboards that support DDR4-2666 ECC Registered DIMMs. It fits into standard 288-pin RDIMM slots and is ideal for systems requiring error-correcting memory to maintain data integrity under heavy workloads. Its design supports virtualization hosts, database servers, and other enterprise applications that demand continuous operation.

Performance and reliability

The integrated 8-bit parity engine continuously monitors and corrects single-bit errors, reducing the risk of system failures caused by memory faults. The onboard register enhances signal quality, which is especially important when multiple DIMMs are installed. This combination ensures stable and reliable memory performance in environments where downtime is not an option.

Ideal uses and environments

This Samsung memory module is a strong choice for IT professionals upgrading or expanding server memory in data centers, blade servers, and tower workstations. It supports intensive processing tasks, large data sets, and multi-user environments, making it suitable for virtualization, database management, and other mission-critical applications that require both capacity and stability.