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Green printed circuit board with black memory chips and gold edge connectors, 288-pin DDR5 RDIMM module

A-Tech

A-Tech 16GB DDR5 4800 ECC RDIMM 1Rx8 Samsung Replacement

SKU CH-NJHX-127MH

16 GB DDR5 4800 ECC registered server DIMM with Samsung chips, CL40 latency and 1.1 V operation

  • Capacity16GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 16 GB DDR5 4800 registered ECC module expands server memory capacity
  • CL40 latency at 1.10 V delivers stable registered performance
  • Single-rank 1Rx8 Samsung chipset ensures reliable data integrity
  • 288-pin DDR5 DIMM form factor fits compatible server slots
  • Direct replacement for Samsung M321R2GA3BB0-CQK simplifies upgrade path

Server DDR5 upgrade

This 16 GB registered ECC module replaces the Samsung M321R2GA3BB0-CQK in DDR5 server and workstation platforms. It runs at 4800 MHz with CL40 latency at the standard 1.10 V. The single-rank 1Rx8 organisation uses Samsung silicon for validated reliability.

Fits registered DDR5 slots

The 288-pin DIMM installs only in systems that support registered ECC DDR5 memory and cannot be used in consumer desktop boards. It requires a compatible server or workstation motherboard with registered DIMM slots. The module frees non-ECC slots for other configurations.

16 GB single-module capacity

One module adds 16 GB of error-correcting memory for virtualisation, database or compute workloads. The single-rank design leaves additional DIMM channels open for further expansion. Systems needing larger per-slot density or higher speeds will require different modules.

Points forts

  • 16 GB DDR5 4800 registered ECC module expands server memory capacity
  • CL40 latency at 1.10 V delivers stable registered performance
  • Single-rank 1Rx8 Samsung chipset ensures reliable data integrity
  • 288-pin DDR5 DIMM form factor fits compatible server slots
  • Direct replacement for Samsung M321R2GA3BB0-CQK simplifies upgrade path

Caractéristiques

BrandA-Tech
SeriesCompatible Replacement for Samsung
ModelM321R2GA3BB0-CQK
Capacity16GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8 (EC8)
ChipsetSamsung Chipset
FeaturesM321R2GA3BB0-CQK

Questions sur cet article

What is the CAS latency limit that appears first under sustained workloads?

The module runs at CL40, so that timing becomes the bottleneck during heavy continuous use.

How much heat and power does the 1.10V DDR5 4800 registered DIMM produce when running all day?

Operating at the standard 1.10V DDR5 voltage, it draws minimal power and generates low heat in a server chassis.

Which motherboard slot and chipset must I already have for this 288-pin DDR5 RDIMM to work?

You need a DDR5-compatible server board with a 288-pin RDIMM slot and a chipset that supports registered ECC memory.

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