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Green printed circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 CL22 1.2V 288-Pin UDIMM memory upgrade

SKU CH-6JRR-30KKB

32GB DDR4 3200 CL22 1.2V UDIMM module validated for ASRock B660 motherboards

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB capacity expands desktop memory headroom
  • DDR4 3200 speed matches PC4-25600 bandwidth rating
  • CL22 latency supports stable system operation
  • 20 V voltage reduces power draw per module
  • 288-pin UDIMM form factor fits standard desktop slots

Compatible ASRock DDR4 Memory Upgrade

This 32GB DDR4 3200 module is built for ASRock B660 motherboards including the PG Riptide, Phantom Gaming 4, Pro RS and Pro RS/ax. It delivers a straightforward capacity increase for desktop systems that use 288-pin unbuffered non-ECC memory. The single-stick design suits builds with limited DIMM slots.

Thermals and Power at 1.2V

Operating at 1.20V, the module runs at standard DDR4 voltage without a heat spreader. CL22 latency and 2Rx8 organisation keep power draw modest during typical desktop workloads. No active cooling is required for normal operation.

Build Integration and Slot Efficiency

The 288-pin UDIMM form factor fits directly into compatible ASRock boards; no extra cables or brackets are needed. A single 32GB stick leaves remaining slots free for future expansion. Systems requiring ECC or registered memory cannot use this module.

How it compares

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

Price $175.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.50 per GB
Cheaper than about 70% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-328K1
Total capacity32 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 systemsASRock
In the box
Included items32 GB (1 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

How do I install this 288-pin DDR4 UDIMM in my ASRock B660M board, and what step do people often miss?

Align the notch on the module with the slot key, press straight down until both retention clips click, then verify in BIOS that the 32 GB stick runs at 3200 MT/s with CL22 timings.

What maintenance or replacement will this 32 GB DDR4 module need later?

No routine maintenance is required; the module has no heat spreader, so keep the case airflow clear, and replace it only if memory errors appear or you upgrade to a DDR5 platform.

What limit appears first during sustained heavy workloads with this CL22 1.2 V kit?

The CAS latency of 22 cycles at 3200 MT/s sets the response-time floor, so latency-sensitive tasks hit that ceiling before the 1.2 V power envelope becomes a constraint.

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