Samsung 64GB DDR5 4800MHz PC5-38400 ECC RDIMM Server Memory Module

Overview

The Samsung M321R8GA0BB0-CQK is a 64 GB DDR5 ECC Registered DIMM designed specifically for server environments that demand high memory capacity and reliable error correction. Operating at 4800 MHz with a PC5-38400 data rate, this module delivers increased bandwidth while maintaining a low power consumption of 1.1 V. It is ideal for enterprise servers and advanced workstations that support DDR5 ECC Registered memory, providing the stability and performance needed for critical workloads.

Key features

• ECC on-die error correction (EC8 10×4) that detects and corrects memory errors in real time, ensuring data integrity for sensitive applications.
• Registered DIMM architecture with a built-in register to manage clock and command signals, which keeps memory ranks synchronized under heavy load.
• High capacity 64 GB module that expands memory pools to support virtualization, in-memory databases, and data analytics workloads.
• Energy-efficient design running at 1.1 V, helping to reduce overall power consumption in server environments.
• Optimized for use in systems that support DDR5 ECC Registered DIMMs, enabling improved throughput and system stability.

Key specs

• Memory type: DDR5 ECC Registered DIMM (RDIMM)
• Capacity: 64 GB
• Speed: 4800 MHz (PC5-38400)
• Voltage: 1.1 V standard supply
• Organization: 2Rx4 with EC8 (10×4) on-die error correction
• Pin count: 288-pin

Compatibility and usage considerations

This memory module is compatible only with motherboards and server platforms that support DDR5 ECC Registered DIMMs. It is important to verify system firmware compatibility before installation. For optimal performance and stability, it is recommended to install identical modules across multiple memory channels. This module fits well in new generation enterprise servers and some high-end workstations that require large memory capacity and error-correcting capabilities.

Ideal uses and environments

The Samsung M321R8GA0BB0-CQK is well suited to data centers and IT environments running virtualization clusters, high-performance computing, or large-scale database applications. Its large capacity and error correction features help increase virtual machine density, reduce query times, and maintain data integrity under demanding workloads. This makes it a strong choice for organizations looking to enhance server memory performance without compromising reliability.