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Green rectangular DDR4 LRDIMM module with black chips and gold edge connectors

SAMSUNG

SAMSUNG M386A8K40DM2-CVF 64GB DDR4 2933 ECC LRDIMM 4R x 4 server RAM

SKU CH-CEBD-BQAQA MPN M386A8K40DM2-CVF

64 GB DDR4 ECC LRDIMM running at 2933 MT/s with a quad-rank x4 layout for high-density server memory

  • 64 GB capacity supports memory-intensive server workloads
  • DDR4 2933 MT/s speed delivers high data throughput
  • ECC protection detects and corrects single-bit errors
  • Load-reduced DIMM design lowers electrical load on the memory bus

High-Capacity Server Memory

This 64 GB DDR4 LRDIMM is built for enterprise servers that need large memory footprints per slot. The load-reduced design lowers electrical load on the memory bus, allowing higher densities in multi-socket platforms. It targets IT teams upgrading or populating compatible DDR4 server boards.

ECC Protection and Quad-Rank Layout

Error-correcting code safeguards data integrity in mission-critical workloads, while the 4R x 4 organisation maximises capacity within a single module. Buyers needing non-ECC memory or standard RDIMM form factors should look elsewhere. The module runs at 2933 MT/s and requires a platform that supports LRDIMM topology.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $203.99
Typical for this category: the median of 6,523 items is $188.99.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Size & build
Shipping weight0.45 kg
Package size152 × 102 × 51 mm

Questions about this item

Does the 4R x 4 rank organisation limit how many 64 GB modules can be installed per channel?

The quad-rank design means each module presents four logical ranks, so the maximum supported modules per channel depends on the server memory controller's rank limit.

How much power does a 64 GB LRDIMM draw when running at 2933 MT/s continuously?

Power draw varies with workload and platform, but LRDIMM buffering typically reduces per-rank current compared with standard RDIMMs at the same speed.

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