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Eight green DDR4 UDIMM sticks in a row

NEMIX RAM

NEMIX RAM 64GB (8x8GB) DDR4 3200 CL22 UDIMM memory upgrade

SKU CH-R0S6-DN08R

Eight 8 GB DDR4-3200 CL22 unbuffered UDIMMs at 1.2 V totalling 64 GB, validated for ASRock TRX40 Taichi motherboards

  • Total capacity64 GB (8 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB total capacity for heavy multitasking
  • DDR4 3200 speed delivers responsive throughput
  • CL22 latency supports stable operation
  • 2 V voltage reduces power draw
  • Eight 8 GB UDIMM modules fill four-channel boards

64GB DDR4 3200 kit for ASRock TRX40

This 64GB kit contains eight 8GB DDR4 3200 UDIMM modules built for the ASRock TRX40 Taichi motherboard. It targets workstation users and enthusiasts who need maximum capacity on that specific platform without ECC or registered buffers.

CL22 1.2V unbuffered modules with major OEM chips

The kit runs at CL22 latency and 1.2V using Samsung, Micron or Hynix components. No heat spreaders are fitted, so airflow over the bare PCBs is required. The unbuffered design keeps latency low for desktop workloads while the 1Rx8 organisation matches the motherboard's memory topology.

288-pin UDIMM installation in eight slots

All eight 288-pin slots must be populated, so verify the board's population rules and BIOS version before starting. Missing a slot or mixing ranks will prevent the system from posting. Handle modules by the edges and seat each one until the retention clips click.

How it compares

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

Price $427.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (8 × 8 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.69 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-818K8
Total capacity64 GB (8 × 8 GB)
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items64 GB (8 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 1.20 V modules need active cooling or replacement under continuous load?

The kit has no heat spreader and runs at standard DDR4 voltage, so no extra cooling is required; memory of this type is designed to last the life of the system without replacement.

What limit appears first when all eight 8 GB sticks run at 3200 MT/s CL22 for hours?

The CL22 latency and 1Rx8 rank organisation set the bandwidth ceiling; sustained throughput will plateau at the rated PC4-25600 speed before any thermal throttle occurs.

How much power and heat will the 64 GB kit add when the workstation runs all day?

At 1.2 V the eight unbuffered UDIMMs draw only a few watts total and produce minimal heat, keeping fan noise and chassis temperature virtually unchanged.

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