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Four green bare DDR4 UDIMM sticks, 64GB total

NEMIX RAM

NEMIX RAM 64GB (4×16GB) DDR4 3200 CL22 1.2V 288-Pin UDIMM memory upgrade for ASRock TRX40 Taichi

SKU CH-09XF-3RMZX

A 64 GB DDR4 kit of four 16 GB UDIMMs running at 3200 MT/s with CL22 latency and 1.2 V for the ASRock TRX40 Taichi motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB total capacity from four 16 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • CL22 latency at standard 1.2 V operation
  • 288-pin unbuffered non-ECC UDIMM form factor
  • validated for ASRock TRX40 Taichi motherboard

Capacity and purpose

This 64GB kit contains four 16GB DDR4 UDIMMs rated at 3200MHz CL22. It is built for the ASRock TRX40 Taichi motherboard and targets users who need the full quad-channel capacity for workstation workloads such as rendering, virtualization or large dataset processing.

Upgrade path

The kit replaces lower-capacity DDR4 modules or incomplete channel populations on the same platform. The jump is worth it when the workload consistently exceeds 32GB or when all four memory channels must be populated to reach the board's rated bandwidth.

DDR4 limits

DDR4 tops out at the 3200MHz JEDEC speed used here; higher frequencies require overclocking and are not guaranteed by the standard. The 1.2V operating voltage is fixed for this generation, so no lower-voltage option exists within DDR4 itself. The 288-pin UDIMM form factor does not fit DDR5 sockets, preventing any cross-generation installation.

How it compares

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

Price $361.99
Typical for this category: the median of 21,161 items is $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 $5.66 per GB
Cheaper than about 68% 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 numberMD25600-618K4
Total capacity64 GB (4 × 16 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 (4 × 16 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 288-pin DDR4 UDIMM modules fit the four memory slots on the ASRock TRX40 Taichi motherboard?

Yes, the kit contains four 16GB 288-pin DDR4 UDIMM modules designed for the ASRock TRX40 Taichi motherboard slots.

Do I need to enable XMP in the BIOS after installing the CL22 3200MHz modules, or will they run at the rated speed automatically?

The modules operate at 1.2V with CL22 timings; consult the motherboard manual to confirm whether XMP must be enabled for DDR4 3200 operation.

Since the modules have no heat spreader, will they require any cleaning or thermal maintenance over time?

No heat spreader is fitted; standard dust removal with compressed air during routine system cleaning is sufficient.

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