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Four green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 5600 CL46 1.1V UDIMM ASRock W680D4U-2L2T/G5

SKU CH-GNWJ-DYBYA

A 64 GB DDR5 kit with four 16 GB modules running at 5600 MT/s and CL46 latency, validated for the ASRock Rack W680D4U-2L2T/G5 motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 64GB kit expands system memory for demanding workloads
  • DDR5 5600 speed delivers high data throughput
  • CL46 latency supports responsive operation
  • 1V voltage reduces power draw per module
  • Validated for ASRock Rack W680D4U-2L2T/G5 motherboard

System-specific DDR5 kit

This 64GB kit contains four 16GB DDR5 UDIMMs validated for the ASRock Rack W680D4U-2L2T/G5 motherboard. Each module runs at 5600MHz with CL46 latency and 1.1V operation. The unbuffered non-ECC design targets desktop and workstation builds that require this exact board match.

Sustained-load behaviour

The 1Rx8 organisation and standard JEDEC voltage keep power draw predictable during long compute sessions. Without heat spreaders the modules rely on case airflow, so temperatures stay stable when all four slots are populated and the memory controller runs continuously at 5600MHz.

Pre-install checks

Confirm the motherboard is the W680D4U-2L2T/G5 revision; other W680 models may have different qualified-vendor lists. Verify the CPU supports DDR5 5600 unbuffered memory and that the BIOS is current enough to recognise the 44800 speed grade. Ensure four free 288-pin slots are available for the full kit.

How it compares

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

Price $834.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $13.05 per GB
Pricier than about 59% 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 Memory
Model nameDDR5 Non-ECC Unbuffered UDIMM Memory
Part numberMD44800-618K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items64 GB (4 × 16 GB) DDR5 5600 MHz PC5-44800 1Rx8 1.1 V 288-PIN Non-ECC UDIMM KIT

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