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Two green DDR5 RDIMM modules with black chips, no heat spreaders, 288 pins

NEMIX RAM

NEMIX RAM DDR5 6400 ECC RDIMM 192GB 2x96GB CL52 1.1V 2Rx4 288-pin memory upgrade

SKU CH-CE68-BJ9D4

192 GB DDR5-6400 ECC registered RDIMM kit (2 × 96 GB, CL52, 1.1 V, 2Rx4) validated for ASRock Rack GNRD16DNO and GNRD16QM3-NL motherboards

  • Total capacity192 GB (2 × 96 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 192GB 2X96GB

Show 4 more
  • 192 GB total capacity in a 2 x 96 GB kit
  • DDR5 6400 speed with CL52 latency for rated performance
  • ECC and registered design prevents silent data corruption
  • 1 V operation matches server memory controller expectations
  • Validated for ASRock Rack GNRD16DNO and GNRD16QM3-NL motherboards

Exact-Match Server Upgrade

This 192 GB kit delivers two 96 GB DDR5 6400 registered ECC modules built to the precise rank, voltage and timing the ASRock Rack GNRD16DNO and GNRD16QM3-NL motherboards expect. The 2Rx4 organization and CL52 latency let the memory controller recognise full capacity at rated speed without manual tuning. Builders needing unbuffered UDIMMs or consumer SO-DIMMs cannot use this kit.

Thermals and Power

Operating at 1.10 V, the modules draw minimal power for their density and run without heat spreaders, relying on chassis airflow to maintain stable temperatures in fully populated servers. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable during sustained workloads. No active cooling or liquid loops are required.

Build Integration

The 288-pin RDIMM form factor fits only boards wired for registered DDR5; it will not seat in UDIMM or SO-DIMM slots. ECC corrects single-bit errors on the fly, protecting data integrity in production environments. Verify the motherboard manual for approved population order and maximum supported capacity before installation.

How it compares

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

Price $6,016.99
Pricier than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (2 × 96 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $31.34 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-9624K2
Total capacity192 GB (2 × 96 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock Rack
In the box
Included items192 GB 2 × 96 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install these 288-pin RDIMMs in my ASRock Rack GNRD16DNO / GNRD16QM3-NL motherboard and which step is commonly missed?

Power down, open the chassis, align each module's notch with the 288-pin slot key, press firmly until both ejector clips click shut, then verify in BIOS that all 192GB appear at DDR5 6400 CL52; the step most often missed is consulting the manual for the exact DIMM population order required when fully populating the board.

What maintenance or replacement will this 192GB kit need over its service life?

The modules have no heat spreader and no moving parts, so no routine maintenance is required; replacement is only needed if a DIMM fails, which is covered by the lifetime replacement warranty.

What limit appears first when this memory runs under sustained load?

The registered buffer and ECC logic keep signal integrity at the rated DDR5 6400 speed, so the first practical limit is the motherboard's maximum supported capacity and population rules rather than the memory modules themselves.

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