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Green circuit board with black memory chips, no heat spreader, 288 gold contacts

NEMIX RAM

NEMIX RAM 8GB DDR4 3200 CL22 1Rx8 1.2V 288-Pin UDIMM for ASUS Prime X299-A II

SKU CH-PDKX-JE74E

8 GB DDR4 3200 CL22 1Rx8 1.2 V 288-pin UDIMM validated for the ASUS Prime X299-A II motherboard

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 8GB DDR4 3200MHz boosts desktop responsiveness
  • CL22 1.2V operation keeps power draw low
  • 1Rx8 single-rank layout simplifies compatibility
  • 288-pin UDIMM fits ASUS Prime X299-A II
  • Major OEM chips (Samsung Micron Hynix) ensure reliability

8GB DDR4 module for ASUS Prime X299-A II

This 8 GB DDR4 3200 UDIMM is built for the ASUS Prime X299-A II motherboard. It runs at 1.2 V with CL22 latency and a single-rank 1Rx8 layout. The 288-pin unbuffered design fits standard desktop DIMM slots. IT professionals and enthusiasts upgrading compatible ASUS systems will find it validated for stability.

Replaces slower or lower-capacity DDR4 DIMMs

Swapping older DDR4 sticks for this 3200 MT/s module raises throughput to PC4-25600 without changing voltage. The jump is worth it when the board supports the speed natively and the workload benefits from extra bandwidth. Builders staying on the same platform avoid a full rebuild while gaining headroom for multitasking.

Fits a standard 288-pin DDR4 slot on the target

No heat spreader means clearance is minimal, so large CPU coolers will not interfere. The 1.2 V operation keeps power draw low and works with the motherboard's default memory voltage. One module leaves remaining slots free for future expansion up to the board's maximum capacity.

How it compares

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

Price $53.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.75 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Gaming Motherboard Compatible Series Memory
Model nameASUS DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-818K1
Total capacity8 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 systemsASUS
In the box
Included items8 GB (1 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Will this 288-pin DDR4 UDIMM fit the DIMM slots on my ASUS Prime X299-A II motherboard?

Yes, the module uses the standard 288-pin DDR4 UDIMM form factor that matches the four DDR4 slots on the ASUS Prime X299-A II.

What is the correct way to seat the module so it locks into place on the first try?

Align the notch on the module's gold edge connector with the key in the slot, press down firmly and evenly at both ends until the retention clips snap closed with a click.

Will I need to replace this 8GB stick if I want to reach the board's maximum memory capacity later?

The board supports up to 256 GB across four slots, so you can add three more modules instead of removing this one.

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