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Green rectangular DDR5 DIMM module with gold contacts and black chips

A-Tech

A-Tech 64GB DDR5 4800 ECC RDIMM 2Rx4 HMCG94MEBRA112N

SKU CH-D3WP-K462W

A 64 GB DDR5 4800 ECC RDIMM with CL40 latency, 1.10 V operation and 2Rx4 registered design for server and workstation upgrades

  • Capacity64GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 64 GB capacity handles heavy server workloads
  • DDR5 4800 speed delivers high memory bandwidth
  • ECC RDIMM design protects data integrity in critical systems
  • 1 V operation meets DDR5 standard voltage efficiency
  • 2Rx4 dual-rank organisation increases memory density per channel

A 64 GB DDR5 ECC RDIMM for server workloads

This module delivers 64 GB of DDR5 4800 memory with ECC and registered buffering. It is built for servers and workstations that need error correction and signal integrity at scale. The 2Rx4 organisation and 1.1 V operation suit high-density platforms. Buyers who need non-ECC or unbuffered DIMMs should look elsewhere.

Thermals noise and power draw at standard voltage

At the specified 1.1 V the module runs at the DDR5 baseline voltage, keeping power draw predictable in typical server deployments. Registered buffering reduces electrical load on the memory controller, which helps system thermals under normal multi-tasking. No active cooling is required on the DIMM itself. Systems without adequate airflow may still see higher temperatures.

Behaviour under sustained load rather than burst use

The CL40 latency and registered design provide stable throughput during extended compute or virtualization tasks. ECC corrects single-bit errors on the fly, preventing data corruption during long-running workloads. The 2Rx4 layout maintains signal quality across full-capacity configurations. Workloads that demand lower latency or higher frequencies will not be satisfied by this specification.

Přednosti

  • 64 GB capacity handles heavy server workloads
  • DDR5 4800 speed delivers high memory bandwidth
  • ECC RDIMM design protects data integrity in critical systems
  • 1 V operation meets DDR5 standard voltage efficiency
  • 2Rx4 dual-rank organisation increases memory density per channel

Specifikace

BrandA-Tech
SeriesCompatible Replacement for Hynix
ModelHMCG94MEBRA112N, HMCG94MEBRA121N, HMCG94MEBRA123N
Capacity64GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4 (EC8)
ChipsetMajor Brand Chipset
FeaturesHMCG94MEBRA112N, HMCG94MEBRA121N, HMCG94MEBRA123N

Otázky k tomuto produktu

How do I install this 288-pin DDR5 RDIMM and what step is often missed?

Align the notch on the 288-pin DDR5 RDIMM with the slot key, press down firmly until both side latches click, and ensure the registered buffer engages; the step often missed is confirming the motherboard supports ECC RDIMM before installation.

What maintenance or replacement will this 64GB DDR5 module need over time?

No routine maintenance is required for this DDR5 ECC RDIMM; replacement is only necessary if a memory test reports uncorrectable errors or if the server platform is upgraded to a different memory generation.

What limit appears first when this DDR5 4800 CL40 module runs under sustained load?

The first limit under sustained load is the DDR5 4800 MT/s data rate combined with CL40 latency, which caps throughput before the 1.10V voltage or thermal envelope becomes a bottleneck.

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