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Green rectangular DDR5 RDIMM module, 288 gold pins, black chips, silver heat spreader, product label visible

A-Tech

A-Tech Supermicro Certified MEM-DR512MH-ER48 128GB DDR5 4800MHz CL40 1.1V ECC Registered 288-Pin Server RAM

SKU CH-72VW-P873N

128 GB DDR5-4800 ECC registered RDIMM with Samsung 3DS chips, CL40 latency at 1.1 V

  • Capacity128GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • Supermicro certified for guaranteed server compatibility
  • 128GB DDR5 capacity handles heavy virtualisation workloads
  • 4800MHz speed with CL40 latency accelerates data throughput
  • 1V operation reduces power draw per module
  • Samsung 3DS TSV quad-rank design maximises density per slot

High-Capacity DDR5 Server Memory

This 128GB DDR5 module is built for Supermicro platforms that demand maximum density per slot. It targets administrators scaling virtualisation hosts, database servers or HPC nodes where registered ECC memory is mandatory.

Standard Voltage Registered Operation

The module runs at the DDR5 baseline of 1.1V with registered signalling, keeping power draw predictable in fully populated chassis. Quad-rank 3DS stacking delivers the capacity without exceeding the platform’s electrical load limits.

4800 MT/s CL40 Quad-Rank RDIMM

The single spec that decides fit is the 4800 MT/s CL40 4Rx4 registered timing; only systems qualified for this exact speed, latency and rank configuration will POST reliably.

Points forts

  • Supermicro certified for guaranteed server compatibility
  • 128GB DDR5 capacity handles heavy virtualisation workloads
  • 4800MHz speed with CL40 latency accelerates data throughput
  • 1V operation reduces power draw per module
  • Samsung 3DS TSV quad-rank design maximises density per slot

Caractéristiques

BrandSuperMicro
SeriesSupermicro Certified
ModelMEM-DR512MH-ER48
Capacity128GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2S2Rx4 (4Rx4 EC8)
ChipsetSamsung Chipset
FeaturesSupermicro Certified MEM-DR512MH-ER48 (M321RAGA0B20-CWK)

Questions sur cet article

How do I install this 288-pin RDIMM and what step do people miss?

Align the notch on the module with the slot key, press firmly until both side clips click, and verify the motherboard BIOS recognises the full 128 GB capacity at DDR5 4800.

What maintenance or replacement will this ECC registered module need later?

No routine maintenance is required; if a correctable error count rises or the module fails, replace it with another DDR5 4800 CL40 1.1 V RDIMM of the same 128 GB capacity.

What limit appears first under sustained load on this quad-rank DDR5 4800 stick?

The CAS latency of CL40 at 4800 MHz sets the timing ceiling, and the 1.1 V operating voltage defines the thermal envelope during continuous operation.

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