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Green circuit board with black memory chips and gold edge connectors

Computer Memory Solutions

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

SKU CH-DNZK-3W753

4 GB DDR4 module running at 2400 MHz with CL17 timing and 1.2 V operation for listed ASRock boards

  • Total capacity4 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 4GB capacity adds responsive multitasking headroom
  • DDR4 2400 speed matches PC4-19200 bandwidth
  • CL17 17-17-17 timing keeps latency low
  • 2V unbuffered design runs cool and stable
  • Validated for ASRock A320M, B250, B350, B450 Pro4 boards

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.

How it compares

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

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM512642400DIMM
Total capacity4 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock A320M Pro4, AB350 Pro4, AB350M Pro4, B250 Pro4, B250M Pro4, B450 Pro4, B450M Pro4 Motherboards
In the box
Included items1Memory Ram Stick

Questions about this item

How much power does the CM512642400DIMM draw when running continuously?

The module operates at 1.2V, which is the standard DDR4 voltage, keeping power draw low during all-day use.

What motherboard slot is required for this 288-pin DDR4 stick?

A standard DDR4 DIMM slot on one of the listed ASRock boards such as the A320M Pro4, B250 Pro4 or B450M Pro4.

Can I add this 4 GB stick to existing DDR4 memory on a compatible ASRock board?

Yes, it is unbuffered non-ECC DDR4-2400 CL17 and will work alongside other DDR4 modules up to the board's 64 GB limit.

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