We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Two green circuit boards with black chips, no heat spreaders, gold edge connectors

NEMIX RAM

NEMIX RAM 16GB (2x8GB) DDR4 3200 CL22 1.2V 288-pin UDIMM Kit for ASRock B660M memory upgrade

SKU CH-YASS-5P6CH

16 GB dual-channel DDR4-3200 CL22 kit validated for ASRock B660M motherboards

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 16 GB dual-channel kit lifts multitasking headroom
  • 3200 MT/s DDR4 matches B660M supported speed
  • CL22 latency keeps timing stable under load
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits standard desktop slots

Compatibility with ASRock B660M

This NEMIX RAM kit delivers 16GB of DDR4 memory across two 8GB modules. It is validated for ASRock B660M-HDV, B660M-ITX/ac and B660M-ITX/eDP motherboards. The kit suits desktop PC owners seeking a straightforward capacity upgrade for these specific boards.

Thermals and power draw

Each module operates at 1.20V without a heat spreader, relying on standard case airflow for cooling. The unbuffered, non-ECC design draws minimal power during typical desktop workloads. Silent operation is assured as the modules have no moving parts.

Build integration

The 288-pin UDIMM form factor fits standard DDR4 desktop slots on the compatible ASRock boards. Dual-rank 1Rx8 organisation populates two slots, leaving remaining slots free for future expansion. Installation requires no extra cables, drivers or configuration beyond seating the modules.

How it compares

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

Price $105.99
Cheaper than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.62 per GB
Cheaper than about 60% 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 lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-818K2
Total capacity16 GB (2 × 8 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 systemsASRock
In the box
Included items16 GB (2 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

How do I install the 288-pin DDR4 UDIMM modules on my ASRock B660M board, and what step is often missed?

Align the notch on each 288-pin module with the slot key, press down firmly until both side clips click, then verify in BIOS that the kit runs at DDR4 3200 with CL22 timings — the step most people skip is checking the BIOS speed setting after the physical install.

What maintenance or replacement will the 16GB (2x8GB) kit need later?

No scheduled maintenance is required; the modules have no heat spreader and run at 1.20 V, so only replace them if a memory test reports errors or you need more than 16 GB capacity.

What limit appears first under sustained load with these CL22 1Rx8 modules?

The CAS latency of 22 cycles at DDR4 3200 is the first bottleneck during prolonged heavy workloads, as tighter-timed kits would respond faster while these prioritise stability at the rated speed.

More in Model-Specific Memory Upgrades

Similar items