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Four green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 1.2V 288-pin UDIMM memory upgrade AMD TRX40

SKU CH-GJC5-BCCQR

128 GB DDR4 kit of four 32 GB modules running at 3200 MT/s CL22, 1.2 V, unbuffered non-ECC for AMD TRX40 motherboards

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 128 GB kit (4 × 32 GB) expands workstation memory capacity
  • DDR4 3200 MHz CL22 delivers responsive throughput for demanding workloads
  • 2 V operation reduces power draw and thermal load
  • 288-pin UDIMM form factor fits AMD TRX40 motherboards
  • Major-brand Samsung, Micron or Hynix ICs ensure module reliability

System-specific DDR4 kit for AMD TRX40

This 128GB kit contains four 32GB unbuffered UDIMM modules rated at DDR4 3200 with CL22 timings at 1.2V. It targets builders and IT professionals upgrading ASUS motherboards based on the AMD TRX40 chipset who need high-density, non-ECC memory for workstation workloads.

Matched quad-channel kit simplifies installation

The four modules are tested together as a single kit to ensure stable operation across all channels on compatible ASUS TRX40 boards. Using a pre-validated set reduces the risk of timing mismatches that can occur when mixing individual sticks, and the 2Rx8 organisation supports the platform's quad-channel architecture without additional configuration.

Verify board slots and memory list before ordering

Confirm your motherboard has four free DDR4 UDIMM slots and consult the vendor's qualified vendor list for this part number. Systems limited to two slots or requiring registered ECC modules cannot use this kit, and boards with a lower maximum supported speed will run the memory at a reduced frequency.

How it compares

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

Price $720.99
Pricier than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.63 per GB
Cheaper than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Gaming Motherboard Compatible Series Memory
Model nameASUS DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-328K4
Total capacity128 GB (4 × 32 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 rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (4 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 2Rx8 DDR4 modules need any firmware updates or reconfiguration after the initial install?

No firmware updates are required; the 2Rx8 DDR4 modules run at their rated 3200 speed and CL22 timings once seated in the 288-pin slots.

What electrical limit is reached first when all four 32 GB sticks run continuously at 3200 MT/s?

The 1.20 V operating voltage is the fixed electrical ceiling; the kit draws its rated power within that limit under sustained load.

How much heat and noise do the bare 288-pin UDIMMs produce during all-day workloads?

With no heat spreader and a low 1.2 V supply, the modules generate minimal heat and make no audible noise during continuous operation.

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