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Green rectangular DDR4 LRDIMM module with black memory chips and gold edge connector

SAMSUNG TECHWIN AMERICA

SAMSUNG TECHWIN AMERICA M386A8K40BM1-CRC 64GB DDR4-2400 ECC LRDIMM server RAM

SKU CH-NQ4E-G1VE3 MPN M386A8K40BM1-CRC

64 GB DDR4-2400 ECC load-reduced DIMM for high-capacity server memory expansion

  • Total capacity64 GB
  • Rated speedPC4-19200 (DDR4-2400)
  • CAS latencyCL17
  • ECC supportLoad Reduced (LRDIMM)
  • Memory rank4Drx4 (4rx4)
  • 64 GB capacity enables dense server configurations
  • DDR4-2400 speed delivers 19200 MT/s bandwidth
  • ECC load-reduced design protects data integrity
  • 4Rx4 rank organisation maximises module density
  • 2 V operation reduces power draw per stick

64 GB DDR4-2400 ECC LRDIMM module

This 64 GB Samsung DDR4-2400 module is built for server platforms that require registered ECC memory. It operates at PC4-19200 speed with a CAS latency of 17 and runs at 1.2 V. The load-reduced design helps signal integrity on densely populated motherboards. Each stick is tested before it ships.

Who this suits and who should avoid it

This module suits administrators expanding memory in servers that accept 4Rx4 LRDIMMs. It is not for desktop PCs or workstations that only support unbuffered UDIMMs. Systems already populated with ECC UDIMMs cannot mix them with this registered format. Buyers needing non-ECC memory should look elsewhere.

Deciding specification: 4Rx4 LRDIMM organisation

The 4Rx4 load-reduced organisation is the single detail that determines compatibility. Only motherboards qualified for 4Rx4 LRDIMMs at DDR4-2400 will recognise the full 64 GB capacity. Verify the server memory qualification list before purchase.

How it compares

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

Price $279.99
Pricier than about 59% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $4.37 per GB
Cheaper than about 78% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSamsung
Model nameM386A8K40BM1-CRC M386A8K40BMB-CRC
Total capacity64 GB
Performance
Rated speedPC4-19200 (DDR4-2400)
Memory
CAS latencyCL17
ECC supportLoad Reduced (LRDIMM)
Memory rank4Drx4 (4rx4)
Size & build
Shipping weight0.23 kg
Package size178 × 51 × 13 mm

Questions about this item

Will this 64GB DDR4-2400 LRDIMM operate correctly alongside existing DDR4 LRDIMM modules in my server?

This module runs at DDR4-2400 with CL17 latency and 1.2V voltage; the server memory controller will negotiate a common speed and timing with any other installed LRDIMMs.

How can I verify the 64GB DDR4-2400 ECC LRDIMM is functioning correctly after installation?

The server POST and BIOS will show 64GB capacity, DDR4-2400 speed, and ECC status; run a memory diagnostic such as MemTest86 to confirm error-free operation.

What is included with the M386A8K40BM1-CRC 64GB module and what must be purchased separately?

The box contains the single 64GB DDR4-2400 ECC LRDIMM stick; no additional cables, brackets, or software are required for installation in a compatible server.

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