Samsung 128GB DDR4 2400 Mbps 8R x 4 Memory Module

Overview

The Samsung M386AAK40B40-CUC is a 128GB DDR4 memory module designed for server environments that require high capacity and reliable performance. Operating at 2400 Mbps, it uses load-reduced DIMM technology to support dense memory configurations, allowing up to three modules per channel without sacrificing stability or speed. This module is built to maintain efficient power consumption at 1.2 volts while delivering consistent throughput, making it well suited for data centers and enterprise servers handling large datasets or multiple virtual machines.

Key features

• Load-reduced DIMM design enables higher memory density by reducing electrical load on the memory controller
• Registered clock and control signals improve timing accuracy and system stability under heavy workloads
• Buffered data signals enhance signal integrity, ensuring reliable data transfer even in demanding server environments
• Supports up to three DIMMs per channel, allowing scalable memory capacity for growing system needs
• Efficient 1.2 V operation helps reduce power consumption and heat generation in dense server racks
• 288-pin layout and 3DS component design provide compatibility with standard server memory slots

Key specs

• Capacity: 128 GB
• Memory type: DDR4
• Data transfer rate: 2400 Mbps
• Voltage: 1.2 V
• Rank and organization: 8R x 4
• Pin count: 288 pins
• Module type: Load-reduced DIMM (LRDIMM)

Connectivity and compatibility

This memory module is designed to fit into standard 288-pin server DIMM slots and is compatible with systems that support DDR4 load-reduced DIMMs. Its architecture supports high-density memory configurations, making it a strong choice for servers that require scalable and reliable memory solutions. The registered and buffered design ensures it works well in multi-module setups without compromising signal quality or timing.

Ideal uses and environments

The Samsung M386AAK40B40-CUC is well suited to enterprise data centers, cloud computing servers, and virtualization platforms where large memory capacity and consistent performance are essential. It supports workloads that demand high uptime and responsiveness, such as database management, virtualization, and large-scale analytics. This module fits naturally in environments where memory scalability and power efficiency are priorities.