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Two green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

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

SKU CH-EHXZ-PQV0Z

16 GB dual-channel DDR4 kit at 3200 MT/s with CL22 timing and 1.2 V operation for compatible ASRock B660M motherboards

  • Capacity16GB (2 x 8GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 16 GB dual-channel kit boosts multitasking headroom
  • DDR4 3200 MT/s matches B660M rated speed
  • CL22 latency keeps timing stable under load
  • 20 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits standard desktop slots

16 GB DDR4 kit for ASRock B660M boards

This NEMIX RAM kit delivers 16 GB of DDR4 memory in a matched pair of 8 GB modules. It is built for desktop PCs that use ASRock B660M motherboards such as the PG Riptide, Phantom Gaming 4, Pro RS and P variants. The modules are non-ECC, unbuffered UDIMMs ready for standard consumer platforms.

DDR4 3200 CL22 at 1.2 V — capacity and headroom

Running at DDR4 3200 (PC4-25600) with CL22 latency and 1.2 V, the kit handles everyday multitasking, office suites and mainstream gaming without voltage tuning. The 1Rx8 organisation and major OEM chips from Samsung, Micron or Hynix provide stable operation at JEDEC speeds. Workloads that demand tighter timings, higher frequencies or ECC error correction will exceed the rated specification.

288-pin UDIMM form factor — build integration

The 288-pin DDR4 UDIMM format fits directly into the four DIMM slots on compatible ASRock B660M boards. No heat spreader is fitted, so clearance for large CPU coolers remains unrestricted. The dual-channel pair leaves two slots open for future expansion up to the board’s maximum supported capacity. Systems requiring registered memory, ECC or DDR5 cannot use this kit.

Highlights

  • 16 GB dual-channel kit boosts multitasking headroom
  • DDR4 3200 MT/s matches B660M rated speed
  • CL22 latency keeps timing stable under load
  • 20 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits standard desktop slots

Specifications

BrandNEMIX RAM
SeriesASRock Gaming Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-818K2
Capacity16GB (2 x 8GB)
SpeedDDR4 3200 (PC4 25600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 UDIMM
Rank1Rx8
FeaturesDDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible
Package Content16GB (2X8GB) DDR4 3200MHZ PC4-25600 1Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 3200 CL22 DDR4 kit work with the ASRock B660M motherboard?

This kit is designed for ASRock B660M PG Riptide, Phantom Gaming 4, Pro RS and compatible models. It runs at DDR4 3200 (PC4-25600) with CL22 latency at 1.20V.

How can I verify the 16GB (2x8GB) DDR4 3200 CL22 kit is running correctly after install?

Enter the BIOS and confirm the memory reports 3200 MT/s, CL22 timings and 1.20V. The system should show 16GB total across both 288-pin slots.

What comes in the box and do I need anything else for the ASRock B660M upgrade?

The package contains the 16GB (2x8GB) DDR4 3200 CL22 1.2V 288-pin UDIMM kit (part MD25600-818K2). No extra parts are required for installation.

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