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Four green DDR5 ECC UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 5600 CL46 ECC UDIMM ASRock Rack W680D4ID-2T/G5/X550 memory upgrade

SKU CH-9T9S-39612

64 GB DDR5 ECC UDIMM kit with four 16 GB modules at 5600 MHz CL46 for ASRock Rack W680D4ID-2T/G5/X550 motherboards

  • 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 server capacity for demanding workloads
  • ECC protection detects and corrects single-bit memory errors
  • DDR5 5600 speed delivers high bandwidth for data-intensive tasks
  • 1V operation reduces power draw in multi-module configurations
  • Validated for ASRock Rack W680D4ID-2T/G5/X550 motherboard compatibility

Compatible DDR5 ECC UDIMM kit

This 64 GB kit contains four 16 GB unbuffered DDR5 ECC UDIMM modules rated at 5600 MT/s with CL46 latency. It is built for the ASRock Rack W680D4ID-2T/G5/X550 motherboard and runs at 1.1 V without a heat spreader.

DDR5 5600 interface limits

DDR5 5600 sets the maximum data rate and timing the modules can deliver on this platform. The unbuffered design means the memory controller drives each module directly, so total capacity and rank count are bound by the board's qualified vendor list.

Pre-order checks

Verify that your W680D4ID-2T/G5/X550 board lists 4 x 16 GB 1Rx8 ECC UDIMM at 5600 MT/s in its supported memory table. Confirm the four 288-pin slots are free and that the system BIOS is updated to the version that validates this kit.

How it compares

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

Price $1,654.99
Pricier than about 66% 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 $25.86 per GB
Pricier than about 71% 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 numberME44800-618K4
Total capacity64 GB (4 × 16 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 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 ECC UDIMM KIT

Questions about this item

Should I pick the 4×16 GB kit or look for a different capacity for this board?

The kit supplies 64 GB total across four 16 GB modules, matching the four UDIMM slots on the ASRock Rack W680D4ID-2T/G5/X550.

What does the 5600 MT/s rating actually deliver once the modules are installed?

The memory runs at DDR5 5600 (PC5-44800) with CL46 latency at 1.10 V, giving the rated throughput the motherboard’s memory controller negotiates.

Does the 288-pin ECC UDIMM interface limit the speed or features on this platform?

The 288-pin DDR5 ECC unbuffered UDIMM format is the native interface for the board, so the kit operates at the specified 5600 MT/s without down-clocking.

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