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Two green 288-pin DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 2Rx8 1.2V 288-pin UDIMM ASUS TRX40 ROG Zenith II Extreme memory upgrade

SKU CH-4MHR-WVFFM

64 GB dual-channel DDR4-3200 kit with CL22 latency and 1.2 V operation for ASUS TRX40 ROG Zenith II Extreme

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB total capacity in a 2-module kit
  • DDR4 3200 speed rated at PC4-25600
  • CL22 CAS latency for responsive timing
  • 2 V operation keeps power draw low
  • Validated for ASUS TRX40 ROG Zenith II Extreme motherboard

ASUS TRX40 ROG Zenith II Extreme 64GB Kit

This 64GB kit contains two 32GB DDR4 3200 UDIMMs built for the ASUS TRX40 ROG Zenith II Extreme motherboard. It targets workstation builders and enthusiasts who need high capacity on that specific platform. The modules are unbuffered non-ECC and run at 1.2V. Buyers using other motherboards or requiring ECC should look elsewhere.

DDR4 3200 CL22 practical limits

The kit operates at DDR4 3200 with a CAS latency of 22 and 1.2V voltage. This speed and timing represent the rated specification for the platform. Performance scales with the motherboard memory controller and BIOS support. Systems that cannot run DDR4 3200 will downclock the modules automatically.

288-pin UDIMM installation notes

Each module uses the standard 288-pin DDR4 UDIMM form factor and installs in the motherboard DIMM slots. No heat spreader is fitted, so clearance is minimal. Ensure the motherboard BIOS is updated for 32GB density support before installing. Incorrect slot population or outdated firmware are the most common causes of boot failure.

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 (2 × 32 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 lineASUS Gaming Motherboard Compatible Series Memory
Model nameASUS DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-328K2
Total capacity64 GB (2 × 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 items64 GB (2 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Should I choose the 64 GB kit or a different capacity for my ASUS TRX40 ROG Zenith II Extreme?

This kit provides 64 GB (2 x 32 GB) of DDR4 3200 memory. If your workload needs more than 64 GB you would need additional kits, but the board has eight slots so you can add further 32 GB modules later.

What does the DDR4 3200 speed actually deliver once installed?

The modules run at 3200 MT/s with CL22 latency at 1.2 V, giving a peak transfer rate of PC4-25600. Real-world bandwidth depends on the CPU memory controller and BIOS settings.

How does the 288-pin UDIMM interface limit what I can do with this memory?

The 288-pin DDR4 UDIMM form factor fits only DDR4 desktop slots. It cannot be used in DDR5, laptop SO-DIMM or registered DIMM sockets, and the unbuffered design means no ECC error correction.

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