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Two green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 5600 CL46 1.1V UDIMM ASRock Rack W680D4ID-2T/G5/X550

SKU CH-H5J6-WRB88

32 GB dual-channel DDR5 kit with two 16 GB modules at 5600 MHz, CL46, 1.1 V, 288-pin UDIMM for ASRock Rack W680D4ID-2T/G5/X550

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 32 GB total capacity from two 16 GB modules
  • DDR5 5600 speed for responsive system performance
  • Low 1.10 V operation reduces power draw
  • CL46 latency supports stable data access
  • Validated for ASRock Rack W680D4ID-2T/G5/X550 motherboard

Compatible memory for ASRock Rack

This 32GB kit contains two 16GB DDR5 UDIMM modules validated for the ASRock Rack W680D4ID-2T/G5/X550 motherboard. The non-ECC unbuffered design suits desktop workstations that do not require error correction. Installation follows standard 288-pin DDR5 procedures for quick system upgrades.

Sustained operation at DDR5 5600 CL46 1.1V

Running at 5600 MT/s with CL46 latency and 1.1V, the modules maintain stable throughput during extended workloads. The 1Rx8 organisation and major OEM chips from Samsung, Micron or Hynix provide consistent signal integrity without a heat spreader. The PC5-44800 rating reflects the continuous data rate under load.

DDR5 5600 UDIMM specification

The decisive specification is the DDR5 5600 UDIMM standard with CL46 timing at 1.1V. Systems requiring a different DDR generation, registered DIMMs, ECC support or alternative voltages will not accept this kit. Verify the motherboard documentation matches this exact memory profile before purchase.

How it compares

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

Price $470.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $14.72 per GB
Pricier than about 61% 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 numberMD44800-618K2
Total capacity32 GB (2 × 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 items32 GB (2 × 16 GB) DDR5 5600 MHz PC5-44800 1Rx8 1.1 V 288-PIN Non-ECC UDIMM KIT

Questions about this item

How much power does the 5600 CL46 kit draw at 1.1 V when the system runs all day?

The modules operate at 1.10 V, the standard DDR5 voltage, so power draw stays low during continuous operation.

What motherboard slot and memory type must I already have for this 288-pin DDR5 kit to work?

You need a board with DDR5 UDIMM slots — this kit is validated for the ASRock Rack W680D4ID-2T/G5/X550.

Will the 1Rx8 rank layout and CL46 timing work with older DDR5 DIMMs I might keep in the other slots?

The kit uses a 1Rx8 organisation at CL46; mixing ranks or timings can force the board to run at the slowest common settings.

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