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NEMIX RAM

NEMIX RAM 384GB 12x32GB DDR5 4800 CL40 1Rx4 1.1V 288-pin ECC RDIMM kit for ASRock Rack GENOA2D24G-2L+

SKU CH-JPM5-Q02F3

384 GB DDR5-4800 registered ECC kit with twelve 32 GB 1Rx4 modules at CL40 and 1.1 V, validated for the ASRock Rack GENOA2D24G-2L+ motherboard

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity from twelve 32 GB modules for dense server workloads
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth on compatible platforms
  • Registered ECC design corrects single-bit errors and supports full population stability
  • 1 V operation at 1Rx4 rank matches the motherboard memory controller requirements
  • 288-pin RDIMM form factor fits the ASRock Rack GENOA2D24G-2L+ memory slots

Exact-fit server memory kit

This 384GB kit contains twelve 32GB DDR5 registered ECC RDIMMs built to the precise rank, voltage and timing the ASRock Rack GENOA2D24G-2L+ memory controller expects. It installs as a matched set so the board recognises full capacity at the rated 4800MT/s speed without manual tuning. Builders who need unbuffered UDIMMs or laptop SODIMMs cannot use these modules.

Thermals and power in normal use

Each module operates at 1.1V without a heat spreader, relying on chassis airflow to keep temperatures low during typical server workloads. The registered architecture buffers address and command signals, reducing electrical load on the memory controller and helping the system run quietly under standard utilisation. No active cooling is included on the DIMMs themselves.

Behaviour under sustained load

ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption during long-running compute or database tasks. Fully populating all slots with 1Rx4 registered modules maintains stability at the rated CL40 latency because the buffer offloads the controller even at maximum population. Buyers who require higher frequencies or lower latencies than DDR5-4800 CL40 should verify motherboard support before purchasing.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $10,634.99
Pricier than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $27.70 per GB
Pricier than about 77% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-314K12
Total capacity384 GB (12 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock Rack
In the box
Included items384 GB 12 × 32 GB DDR5 4800 MHz PC5-38400 1Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 12 DDR5 RDIMM modules in the ASRock Rack GENOA2D24G-2L+ motherboard, and what step is often missed?

Follow the motherboard manual for the exact DIMM population order; the step often missed is seating every 288-pin module until the ejector clips click fully locked.

What maintenance or replacement will this 384GB DDR5 ECC RDIMM kit need over time?

No routine maintenance is required; if a module fails the lifetime replacement warranty covers it, and ECC corrects single-bit errors on the fly.

What limit appears first when the 12x32GB DDR5 4800 CL40 kit runs sustained workloads?

The memory controller reaches its maximum supported capacity of 384GB across all 12 slots before any speed or thermal limit is hit.

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