Samsung 128GB DDR4 2933 Mbps Server Memory Module

Overview

The Samsung M386AAG40MMB-CVF is a 128GB DDR4 server memory module designed to deliver high capacity and reliable speed for demanding enterprise workloads. Operating at 2933 Mbps with a low 1.2-volt power requirement, it balances bandwidth and energy efficiency, making it well suited for data centers aiming to reduce operational costs. Its Load Reduced DIMM architecture stabilizes signal integrity even in fully populated memory channels, ensuring consistent performance in dense server environments.

Key features

• Load Reduced DIMM design places a register and dedicated data buffer between the memory controller and DRAM chips to maintain signal stability and integrity.
• High capacity 128GB module supports virtualization clusters, in-memory databases, and analytics platforms that require large memory pools.
• Energy-efficient 1.2-volt operation reduces power consumption in servers with dense memory configurations.
• Four-rank configuration with x4 organization enables dense deployments without compromising performance.
• Compatible with three-DIMM-per-channel server architectures, allowing straightforward upgrades and scalability.

Key specs

• Memory type: DDR4 Load Reduced DIMM
• Capacity: 128GB
• Data rate: 2933 Mbps
• Voltage: 1.2 volts
• Ranks: Four ranks
• Organization: x4
• Pin count: 288-pin
• Compatibility: Supports three-DIMM-per-channel server sockets

Connectivity and compatibility

This memory module fits industry-standard 288-pin server sockets and supports configurations with up to three DIMMs per channel. Its design ensures compatibility with a wide range of enterprise servers that require high memory density and stable throughput. This makes it a practical choice for system administrators looking to expand memory capacity without redesigning their existing infrastructure.

Performance and reliability

The Load Reduced DIMM architecture enhances signal integrity by buffering clock, command, and control signals, which is critical in fully populated memory channels. This results in stable and consistent performance under heavy workloads. The module’s four-rank design supports high capacity while maintaining throughput, making it reliable for memory-intensive applications and virtualization environments.

Ideal uses and environments

This memory module is well suited for enterprise data centers running virtualization clusters, in-memory databases, and analytics platforms that process large datasets. It supports memory-hungry applications and high-performance computing nodes, providing the additional headroom needed to consolidate virtual machines and scale workloads efficiently. Its energy-efficient operation also benefits environments focused on reducing power consumption and operational costs.