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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1.5TB 12x128GB DDR5 4800 CL40 1.1V ECC RDIMM memory upgrade

SKU CH-53CW-FYHKA

1.5 TB DDR5 server kit with twelve 128 GB registered ECC RDIMMs at 4800 MT/s, CL40 and 1.1 V for the ASRock Rack GENOAD12M3-2Q motherboard

  • Capacity1.5TB (12 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 1.5TB 12X128GB

Show 4 more configurations
  • 5TB total capacity with twelve 128GB modules for maximum server density
  • DDR5 4800 speed rated at PC5-38400 for high-throughput workloads
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1V operation at CL40 latency matches the memory controller's exact requirements
  • 288-pin RDIMM form factor verified for ASRock Rack GENOAD12M3-2Q motherboard

Exact-match server upgrade

This 1.5TB kit contains twelve 128GB DDR5-4800 Registered ECC RDIMMs built to the precise rank, voltage and timing the ASRock Rack GENOAD12M3-2Q memory controller expects. It targets administrators who need maximum supported capacity across all channels for virtualization, database or compute workloads.

Installation notes

Each 288-pin RDIMM seats only one way; align the key notch before applying even pressure until the latches click. The registered architecture offloads the memory controller so every slot runs fully populated at rated speed, but the board manual dictates the required population order and any BIOS steps needed for full recognition.

Pre-order checks

Verify your system manual for supported per-slot and total capacity, approved DIMM population sequence, and any firmware version required for 128GB Registered modules. This kit will not fit boards that accept only unbuffered UDIMMs or SODIMMs, and it cannot be mixed with modules of different rank, voltage or speed.

Highlights

  • 5TB total capacity with twelve 128GB modules for maximum server density
  • DDR5 4800 speed rated at PC5-38400 for high-throughput workloads
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 1V operation at CL40 latency matches the memory controller's exact requirements
  • 288-pin RDIMM form factor verified for ASRock Rack GENOAD12M3-2Q motherboard

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K12
Capacity1.5TB (12 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemASRock Rack
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content1.5TB 12X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How can I verify the 1.5TB kit is running at DDR5 4800 CL40 after installation?

Check the BIOS memory information or a tool like CPU-Z; it should show 4800 MT/s, CL40 timings, 1.1 V, and all 12 modules recognised as 128 GB each.

What comes in the box and do I need anything else to install the 12 modules?

The box contains the 12 x 128 GB DDR5 4800 ECC RDIMM modules only; no extra cables, brackets or software are required for installation.

Which version of this kit should I choose for the ASRock Rack GENOAD12M3-2Q motherboard?

Select the 1.5 TB (12 x 128 GB) DDR5 4800 CL40 1.1 V ECC Registered RDIMM kit with part number MR38400-724K12 — it matches the board's validated configuration.

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