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Four green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 4800 256GB (4x64GB) ECC RDIMM CL40 1.1V 2Rx4 ASRock Rack GENOAD12M3-2Q memory upgrade

SKU CH-QNHY-626VP

256 GB kit of four 64 GB DDR5-4800 ECC registered RDIMMs at 1.1 V CL40, validated for the ASRock Rack GENOAD12M3-2Q motherboard

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 4X64GB

Show 4 more configurations
  • 256 GB capacity across four 64 GB modules for maximum server density
  • DDR5 4800 speed with CL40 latency delivers rated throughput without downclocking
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operation matches the motherboard's voltage requirement exactly
  • 288-pin RDIMM form factor fits the ASRock Rack GENOAD12M3-2Q memory slots precisely

Exact-match DDR5 server kit

This 256GB kit contains four 64GB DDR5 4800 RDIMM modules built for the ASRock Rack GENOAD12M3-2Q motherboard. Registered ECC design lets the memory controller run every slot fully populated at rated speed. The kit targets administrators who need maximum supported capacity without mixing ranks or voltages.

Registered ECC with 2Rx4 organisation

The single specification that decides fitment is the 2Rx4 registered ECC layout at 1.1V CL40. The motherboard requires this exact rank structure and registered signalling; UDIMM or SODIMM modules will not be recognised. Population rules in the board manual must be followed to reach full 256GB capacity.

Straightforward DIMM installation

Align the 288-pin modules with the keyed slots and press until the latches click. Common issues include ignoring the manual's population sequence, which can leave capacity unrecognised, and mixing these registered sticks with unbuffered memory, which prevents the system from posting.

Highlights

  • 256 GB capacity across four 64 GB modules for maximum server density
  • DDR5 4800 speed with CL40 latency delivers rated throughput without downclocking
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operation matches the motherboard's voltage requirement exactly
  • 288-pin RDIMM form factor fits the ASRock Rack GENOAD12M3-2Q memory slots precisely

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
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 Content256GB 4X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

What does the DDR5 4800 speed mean once the kit is installed in my server?

The modules will run at 4800 MT/s, delivering PC5-38400 bandwidth when the motherboard populates all four slots with this 256 GB kit.

How does the 288-pin RDIMM interface and registered design affect what the memory controller can handle?

The registered buffer lets the controller drive all four slots at full 256 GB capacity without signal degradation, while ECC corrects single-bit errors on the fly.

What physical space and slot layout does this 4 x 64 GB kit require on the ASRock Rack GENOAD12M3-2Q?

Four standard-height 288-pin DDR5 RDIMM slots; the modules have no heat spreader, so they fit in tight server chassis without clearance issues.

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