Computer Memory Solutions CM512642400DIMM 4GB DDR4 2400 CL17 1.2V 288-pin DIMM memory upgrade

4GB DDR4-2400 DIMM for ASRock boards

This 288-pin unbuffered module delivers 4GB at 2400 MHz with CL17 timing and 1.2V operation. It is validated for ASRock A320M Pro4, AB350 Pro4, AB350M Pro4, B250 Pro4, B250M Pro4, B450 Pro4 and B450M Pro4 motherboards. The single-rank 2Rx8 configuration suits standard desktop upgrades.

Sustained load behaviour

JEDEC-standard DDR4-2400 operation keeps voltage at 1.2V during extended sessions, so thermal output remains modest without a heat spreader. CL17 latency is held consistently across the 17-17-17 timing set, avoiding throttling that can appear on tighter-tuned kits under prolonged writes. Unbuffered design adds negligible signal delay.

Pre-order checklist

Confirm your board is one of the listed ASRock models and that a free 288-pin DDR4 slot exists. The platform supports up to 64GB across four sockets, so total capacity after installation must not exceed that limit. Non-ECC unbuffered memory is required; registered or ECC modules will not function. Mixing with faster DDR4 kits will downclock all sticks to 2400 MHz.