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Green 288-pin DDR4 DIMM with black chips and silver heat spreader

A-Tech

A-Tech 64GB DDR4 2400 ECC LRDIMM 4DRx4 Samsung M386A8K40BM1-CRC Server Memory

SKU CH-45GJ-B7PHE

A 64 GB DDR4 2400 ECC load-reduced DIMM with 4Rx4 organisation for server memory expansion

  • Capacity64GB
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64 GB capacity lets servers handle heavier workloads
  • DDR4 2400 MHz speed moves data quickly at PC4-19200 rates
  • ECC LRDIMM design detects errors and reduces electrical load on the memory bus
  • CL17 latency with 1.20 V operation keeps timing tight at standard voltage
  • 288-pin 4Rx4 module replaces Samsung M386A8K40BM1-CRC, M386A8K40BMB-CRC, M386A8K40CM2-CRC

64GB DDR4 2400 ECC LRDIMM Module

This 64GB DDR4 2400 ECC LRDIMM module uses a 4Rx4 rank structure and Major Brand chips to deliver 64GB of registered server memory. It operates at 1.20V with a CAS latency of 17 and fits the standard 288-pin DIMM slot. The load-reduced design helps reduce electrical load on the memory controller in dense configurations. It targets administrators upgrading compatible Samsung part numbers in enterprise servers and workstations.

Replaces Samsung M386A8K40BM1-CRC and variants

This module serves as a direct replacement for Samsung M386A8K40BM1-CRC, M386A8K40BMB-CRC, and M386A8K40CM2-CRC modules. The jump is worth it when a failed stick must be swapped with an equivalent 64GB PC4-19200 LRDIMM to restore full channel capacity. It also applies when expanding a qualified platform that specifically validates this density and rank organisation. Systems requiring a different rank count, voltage, or ECC type will not benefit from this specific part.

Verify platform support for 4Rx4 LRDIMM at 2400MHz

Before ordering, confirm the motherboard or server qualified-vendor list approves 4Rx4 load-reduced DIMMs at this speed and voltage. Check the maximum supported capacity per slot and per channel to ensure the 64GB density is accepted. Validate that the BIOS revision in use recognises the module part number. Mixing ranks or ECC types within the same channel can prevent boot or disable error-correction features.

Points forts

  • 64 GB capacity lets servers handle heavier workloads
  • DDR4 2400 MHz speed moves data quickly at PC4-19200 rates
  • ECC LRDIMM design detects errors and reduces electrical load on the memory bus
  • CL17 latency with 1.20 V operation keeps timing tight at standard voltage
  • 288-pin 4Rx4 module replaces Samsung M386A8K40BM1-CRC, M386A8K40BMB-CRC, M386A8K40CM2-CRC

Caractéristiques

BrandA-Tech
Capacity64GB
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Will the 288-pin DDR4 DIMM fit my server's memory slots?

The module uses the standard 288-pin DDR4 DIMM form factor, so it fits any server or workstation slot designed for DDR4 LRDIMMs.

What BIOS setting or seating step is most often missed when installing this LRDIMM?

After pressing the module firmly until both retention clips click, verify the BIOS recognises the full 64 GB at 2400 MHz and that ECC is enabled.

When should I expect to replace this 64 GB ECC LRDIMM?

ECC LRDIMMs have no scheduled replacement interval; swap the module only if memory diagnostics report uncorrectable errors or the system fails to POST.

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