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Four green DDR4 UDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 UDIMM ASUS TRX40 ROG Zenith II Extreme memory upgrade

SKU CH-6YY1-BVFEM

128 GB DDR4 3200 kit of four 32 GB unbuffered UDIMMs tested for the ASUS TRX40 ROG Zenith II Extreme motherboard

  • Capacity128GB (4 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 128 GB total capacity across four 32 GB modules
  • DDR4 3200 speed with PC4-25600 bandwidth rating
  • CL22 CAS latency at 1.2 V operating voltage
  • 288-pin unbuffered non-ECC UDIMM form factor
  • Validated for ASUS TRX40 ROG Zenith II Extreme motherboard

128GB DDR4 3200 kit for ASUS TRX40

This 128GB kit contains four 32GB unbuffered UDIMM modules rated at DDR4 3200 with CL22 timings at 1.2V. It is built for the ASUS TRX40 ROG Zenith II Extreme motherboard using 2Rx8 organisation and 288-pin DDR4 form factor.

Workstation builders needing maximum capacity

The kit suits users who want the full 128GB supported by the board for heavy multitasking, content creation or virtualisation. It is not for systems that require ECC or registered memory, nor for platforms limited to lower densities or slower speeds.

Straightforward DIMM installation

Modules insert into the board's DDR4 slots without tools; the board's manual shows the recommended population order for four sticks. Common issues include forgetting to seat both latches fully or mixing these sticks with existing modules of different speed or rank, which can prevent the system from posting.

Highlights

  • 128 GB total capacity across four 32 GB modules
  • DDR4 3200 speed with PC4-25600 bandwidth rating
  • CL22 CAS latency at 1.2 V operating voltage
  • 288-pin unbuffered non-ECC UDIMM form factor
  • Validated for ASUS TRX40 ROG Zenith II Extreme motherboard

Specifications

BrandNEMIX RAM
SeriesASUS Gaming Motherboard Compatible Series Memory
ModelASUS DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-328K4
Capacity128GB (4 x 32GB)
SpeedDDR4 3200 (PC4 25600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASUS
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 UDIMM
Rank2Rx8
FeaturesDDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (4X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Does the ASUS TRX40 ROG Zenith II Extreme motherboard need four free DDR4 UDIMM slots to install this 128GB kit?

Yes, the kit contains four 32GB modules that each occupy one 288-pin DDR4 UDIMM slot, so four empty slots are required.

Can I keep my existing DDR4 3200 CL22 modules and add this 128GB kit to the same motherboard?

The board will run all modules at the speed and timings of the slowest kit; mixing different ranks or ICs can prevent the system from posting.

How do I confirm the 128GB kit is running at DDR4 3200 CL22 after installation?

Enter the UEFI or use a tool such as CPU-Z to verify the memory frequency reads 3200 MT/s and the CAS latency shows 22 cycles.

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