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Green rectangular circuit board with black memory chips and gold edge connector

SAMSUNG

SAMSUNG M386AAG40AM3-CWE DDR4-3200 128GB ECC REG LRDIMM server RAM

SKU CH-0GJD-ZPJKN MPN M386AAG40AM3-CWE

128 GB DDR4-3200 ECC registered LRDIMM for high-capacity server memory upgrades

  • Accessory TypeParts
  • Massive 128 GB capacity handles heavy virtualization workloads
  • DDR4-3200 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design corrects errors to protect critical data
  • Load-reduced DIMM topology lowers electrical load for stable scaling

High-capacity DDR4 server memory

The SAMSUNG M386AAG40AM3-CWE is a 128GB DDR4-3200 LRDIMM built for registered ECC environments. Its dual-die package layout and x36 organisation support dense memory configurations in compatible server platforms. The module is supplied new for integration into qualified systems.

Sustained-load behaviour

Registered signalling and on-die ECC maintain data integrity during continuous throughput workloads. Load-reduced topology reduces electrical loading on the memory bus, helping stability at the rated 3200 MT/s transfer rate over extended periods. Cooling and airflow provisions in the host chassis determine thermal headroom.

Highlights

  • Massive 128 GB capacity handles heavy virtualization workloads
  • DDR4-3200 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design corrects errors to protect critical data
  • Load-reduced DIMM topology lowers electrical load for stable scaling

Specifications

Accessory TypeParts
Shipping weight0.45 kg
Package size152 × 152 × 152 mm

Questions about this item

How much heat and power does a 128GB DDR4-3200 LRDIMM draw under continuous server load?

This module operates at the standard DDR4-3200 data rate with a 36-bit ECC/REG interface; power draw and thermal output follow the JEDEC DDR4 specification for LRDIMM density.

What motherboard features are required to run a 128GB ECC REG LRDIMM at 3200 MT/s?

The board must provide DDR4 LRDIMM slots, registered ECC support, and a memory controller qualified for 3200 MT/s operation with 128GB per DIMM.

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