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Two green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 5600 ECC UDIMM CL46 1.1V 2Rx8 ASRock Rack W680D4U-2L2T/G5 memory upgrade

SKU CH-TT2V-Y9VR9

64 GB DDR5 ECC UDIMM kit at 5600 MT/s with CL46 latency and 1.1 V operation

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 64 GB kit doubles capacity for demanding workloads
  • DDR5 5600 speed moves data faster through the bus
  • ECC UDIMM detects and corrects single-bit errors automatically
  • CL46 latency at 1.1 V keeps response tight and efficient
  • 2Rx8 288-pin layout fits the ASRock Rack W680D4U-2L2T/G5 board exactly

System-specific DDR5 ECC kit

This 64 GB kit contains two 32 GB DDR5 5600 modules built for the ASRock Rack W680D4U-2L2T/G5 motherboard. Each unbuffered UDIMM runs at 1.1 V with CL46 latency and 2Rx8 organisation. The 288-pin design fits the board's native DDR5 slots.

Suited for ECC server builds

Buyers adding error-correcting memory to the named ASRock Rack platform will match the validated specification. Systems that require registered DIMMs, non-ECC modules, or a different DDR generation cannot use this kit.

Verify slot count and population rules

Confirm the motherboard has enough free 288-pin DDR5 sockets for two modules and check the manual for approved population order. Ensure the BIOS recognises 2Rx8 unbuffered ECC at the rated speed before ordering.

How it compares

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

Price $1,437.99
Pricier than about 64% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $22.47 per GB
Pricier than about 67% 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 ECC Unbuffered UDIMM Memory
Part numberME44800-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 ECC UDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items64 GB (2 × 32 GB) DDR5 5600 MHz PC5-44800 2Rx8 1.1 V 288-PIN ECC UDIMM KIT

Questions about this item

What motherboard must I already have for this 288-pin DDR5 ECC UDIMM kit to work?

The kit is validated for the ASRock Rack W680D4U-2L2T/G5 motherboard, which provides the 288-pin DDR5 slots and ECC unbuffered support these modules require.

Can I keep my existing DDR5 4800 modules and add this CL46 5600 kit alongside them?

Mixing speeds will force all modules to run at the lowest common speed and latency; the board will down-clock this kit to match the slower 4800 modules.

How do I confirm the kit is running at 5600 MT/s with CL46 after installation?

Open the BIOS memory information screen or use a system-information utility; both will display the configured data rate and CAS latency for each installed module.

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