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

A-Tech

A-Tech 64GB DDR4 2400 ECC LRDIMM 4Rx4 Server RAM

SKU CH-5H2Y-XQWZN

A 64 GB DDR4 2400 ECC load-reduced DIMM for servers needing high-capacity registered memory

  • Capacity64GB
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64 GB capacity supports demanding server workloads
  • DDR4 2400 MHz speed delivers high data throughput
  • ECC LRDIMM technology corrects errors and reduces electrical load
  • 2 V operation matches standard DDR4 voltage
  • 288-pin DIMM form factor fits compatible server slots

Capacity and Form Factor

This 64GB DDR4 LRDIMM module is built for servers and workstations that require high-density, error-correcting memory. It operates at 2400MHz with a CL17 latency and runs at the standard 1.20V. The load-reduced design helps reduce electrical load on the memory controller.

Who This Suits and Who Should Look Elsewhere

This module suits administrators upgrading Samsung M386A8K40BM1-CRC4Q or M386A8K40BMB-CRC4Q slots in compatible 288-pin DDR4 systems. It is not for buyers who need unbuffered UDIMMs, standard RDIMMs, or a different capacity, speed, voltage, or rank configuration than the 4Rx4 layout provided here.

Deciding Specification

The 4Rx4 load-reduced organisation is the critical specification; the system memory controller must explicitly support LRDIMM and this rank geometry for the module to function.

Puntos fuertes

  • 64 GB capacity supports demanding server workloads
  • DDR4 2400 MHz speed delivers high data throughput
  • ECC LRDIMM technology corrects errors and reduces electrical load
  • 2 V operation matches standard DDR4 voltage
  • 288-pin DIMM form factor fits compatible server slots

Especificaciones

BrandA-Tech
SeriesCompatible Replacement for Samsung
ModelM386A8K40BM1-CRC4Q, M386A8K40BMB-CRC4Q
Capacity64GB
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetSamsung Chipset
FeaturesM386A8K40BM1-CRC4Q, M386A8K40BMB-CRC4Q

Preguntas sobre este artículo

What DDR4 standard and speed does this 64 GB LRDIMM run at?

It operates at DDR4 2400 MHz, labelled PC4-19200, with a CAS latency of 17 and the standard 1.2 V DDR4 voltage.

Which physical slot and pin count does this module require?

It fits a standard DDR4 DIMM slot with 288 pins; the module itself is built on a 262-pin design for server boards that accept LRDIMMs.

How is this ECC LRDIMM installed, and what step is often missed?

Align the notch with the keyed slot, press firmly until both retention clips click, then verify in BIOS that the system recognises the full 64 GB and ECC function is enabled.

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