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Two green DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 5600 CL46 ECC RDIMM 2Rx4 1.1V 288-Pin ASRock Rack GENOAD8X-2T/BCM memory upgrade

SKU CH-5K36-4N34M

128 GB DDR5 ECC registered server memory kit in two 64 GB modules running at 5600 MT/s with CL46 latency at 1.1 V

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • ECC protection prevents data errors with registered DDR5 modules
  • 128 GB capacity across two 64 GB sticks for heavy workloads
  • 5600 MT/s speed delivers high bandwidth for server tasks
  • 1 V operation reduces power draw in dense configurations
  • 288-pin RDIMM form factor fits ASRock Rack GENOAD8X-2T/BCM motherboards

128GB DDR5 5600 ECC RDIMM kit

This NEMIX RAM kit provides 128GB of DDR5 5600 registered ECC memory in a matched pair of 64GB modules. It is built for the ASRock Rack GENOAD8X-2T/BCM motherboard and uses 288-pin RDIMM form factor with 2Rx4 organisation. The modules operate at 1.10V with a CAS latency of CL46 and carry PC5-44800 speed rating.

Suited for ASRock Rack server upgrades

This kit fits administrators expanding memory on the named ASRock Rack platform where registered ECC DDR5 is required. It is not suitable for systems that need unbuffered UDIMMs, non-ECC memory, or a different DDR generation. Buyers whose boards demand a different pin count, voltage, or rank configuration should look elsewhere.

2Rx4 registered ECC at 1.10V

The modules are dual-rank 2Rx4 registered ECC DDR5 running at 1.10V, a combination that determines electrical and logical compatibility with the target motherboard. Verify that your system accepts 2Rx4 registered DDR5 at this voltage before purchasing.

How it compares

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

Price $3,616.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $28.26 per GB
Pricier than about 79% 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 numberMR44800-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items128 GB (2 × 64 GB) DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the ASRock Rack GENOAD8X-2T/BCM and which step is commonly missed?

Power down the server, open the chassis, align each 64GB module's key notch with the slot, press firmly until both side clips lock, then verify in BIOS that all 128GB are detected at 5600MHz; the step often missed is fully seating both clips so the registered buffer initialises correctly.

What maintenance or replacement will the ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; replacement is only needed if a module fails, which the lifetime warranty covers, or if a future platform upgrade demands a different DDR5 speed or capacity.

What limit appears first when the 2Rx4 registered DIMMs run sustained workloads at 1.10V?

The primary limit is the CL46 latency at 5600MHz, which caps sustained memory bandwidth at the rated PC5-44800 level; thermal throttling is unlikely because the low 1.10V voltage and lack of heat spreaders still allow adequate airflow in a properly cooled server chassis.

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