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Four green DDR4 UDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 1.2V UDIMM memory upgrade

SKU CH-DS83-13V8F

128 GB kit of four 32 GB DDR4 3200 CL22 1.2 V unbuffered UDIMM modules for ASUS Prime X299-A II 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 total capacity across four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • CL22 latency at 1.2 V operating voltage
  • 288-pin unbuffered UDIMM form factor for desktop boards
  • 2Rx8 dual-rank organisation using major OEM chips

Capacity and Compatibility

This 128GB kit contains four 32GB DDR4 UDIMM modules rated at 3200MHz with CL22 latency. It is built specifically for the ASUS Prime X299-A II motherboard and uses 1.2V unbuffered non-ECC memory.

Installation Notes

The 288-pin DIMMs install in standard desktop slots and require no special tools. The 2Rx8 rank configuration may limit maximum capacity on some boards, so verify the motherboard manual before purchase.

Deciding Specification

The critical match is the validated compatibility with the ASUS Prime X299-A II platform. Systems using a different chipset or motherboard model will not be supported by this kit.

How it compares

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

Price $692.99
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 $5.41 per GB
Cheaper than about 71% 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

How do I confirm the 3200 MT/s speed and CL22 timing are active after installing the 4x32GB kit?

Enter the UEFI BIOS on the ASUS Prime X299-A II, open the memory information screen, and verify the frequency reads 3200 MT/s with CAS latency 22 at 1.20 V.

What does the MD25600-328K4 kit include and what must I source separately?

The box contains four 32 GB 288-pin DDR4 UDIMM modules totalling 128 GB; no heat spreaders, tools or additional cables are supplied.

Which capacity version of this ASUS-compatible DDR4 3200 CL22 series should I choose for a 128 GB maximum?

Select the MD25600-328K4 kit — four 32 GB modules giving 128 GB total — as it matches the motherboard's validated configuration.

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