Samsung 16GB DDR4 2666 Mbps SDRAM Memory Module

Overview

The Samsung M393A2K40BB2-CTD is a 16 GB DDR4 registered memory module designed specifically for servers that handle demanding workloads continuously. Operating at 2666 Mbps with a low voltage of 1.2 V, it provides reliable bandwidth while maintaining energy efficiency. This module supports error correction and fits into motherboards that require registered DIMMs, making it a solid choice for mission-critical data environments.

Key features

• Registered DIMM design ensures stable operation in server environments by buffering control signals.
• Runs at 2666 Mbps data rate to deliver consistent performance for data-intensive applications.
• Low power consumption at 1.2 V helps reduce overall energy use in rack or tower servers.
• Supports ECC with 8-bit parity to detect and correct memory errors in real time, protecting data integrity.
• 288-pin layout and 1 rank x 4 organization simplify installation and promote predictable thermal management.
• Built-in register cleans clock, command, and control signals to maintain synchronization on multiprocessor boards.

Key specs

• Capacity: 16 GB
• Memory type: DDR4 RDIMM
• Data rate: 2666 Mbps
• Voltage: 1.2 V
• Pin count: 288 pins
• Rank and organization: 1 rank x 4
• Error correction: ECC with 8-bit parity

Connectivity and compatibility

This memory module is compatible with server motherboards that support DDR4 registered DIMMs and require ECC for error correction. It fits into standard 288-pin DIMM slots and works well in systems designed for virtualization, database management, and analytics workloads. Its design ensures seamless integration into existing DDR4-2666 platforms without compatibility issues.

Performance and reliability

The integrated register improves signal integrity by buffering clock, command, and control signals, which is crucial for maintaining synchronization in multi-processor server environments. ECC support detects and corrects bit-level errors on the fly, preventing corrupted data from affecting system stability. This makes the module well suited for continuous operation in data centers and edge appliances where uptime and data accuracy are critical.

Ideal uses and environments

This memory module is a strong choice for IT professionals managing virtualization clusters, hyper-converged infrastructure, and file servers. It fits well in both compact edge devices and full-scale data center racks, providing a balance of capacity, performance, and power efficiency. Its error correction capabilities and registered design make it particularly valuable in environments where data integrity and system reliability cannot be compromised.