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Single green 288-pin DDR4 DIMM stick, black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642666DIMM 16GB DDR4 2666MHz CL19 memory upgrade

SKU CH-WP11-NJ7WB

16 GB DDR4 2666 MHz CL19 DIMM for ASRock A320, B360, X470 and Z370 boards

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 16 GB capacity expands system memory for demanding workloads
  • DDR4 2666 MHz speed delivers high data-transfer rates
  • CL19 latency timing supports responsive operation
  • 2 V low-voltage design reduces power consumption
  • Validated for ASRock A320M, B360M, X470 and Z370 motherboards

16GB DDR4 2666MHz for ASRock boards

This 16GB DDR4 module runs at 2666MHz with CL19 timings and 1.2V operation. It is built as a single 288-pin unbuffered DIMM using a 2Rx8 configuration. The kit targets owners of the listed ASRock motherboards who need a straightforward capacity increase.

Tool-free DIMM installation with matched-pair advice

Insert the stick into an empty 288-pin slot until the retention clips click; no screws or cables are required. The supplier notes that mixing modules forces all memory to run at the slowest installed speed, so peak throughput is reached by populating both sockets with identical kits.

Verify two-slot limit and 32GB ceiling before buying

The supported boards provide only two DIMM sockets and a maximum of 32GB total capacity. A 64-bit operating system is required to address more than 4GB. Buyers who want more storage or who need a second card for a different form factor cannot use this product.

How it compares

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

Price $78.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $4.94 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 nameCM2048642666DIMM
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock Motherboard A320M-DVS R4.0, B360M-HDV, B360M-ITX/ac, Fatal1ty X470 Gaming-ITX/ac, Fatal1ty Z370 Gaming-ITX
In the box
Included items1Memory Ram Stick

Questions about this item

How can I verify the 16GB DDR4 2666MHz CL19 module is running correctly after installing it in my ASRock A320M-DVS R4.0?

Enter the BIOS on first boot and confirm the memory shows 16GB at 2666MHz with 19-19-19 timings at 1.2V; then run a tool such as MemTest86 to check for errors.

What does the package contain and what extra items are needed to use this CM2048642666DIMM stick?

The box includes one 288-pin 16GB DDR4 DIMM; no cables, screws or additional parts are required beyond a compatible ASRock motherboard with a free DDR4 slot.

Should I choose this single 16GB 2666MHz CL19 DIMM or a different capacity for my B360M-HDV board?

This board supports up to 32GB across two slots, so one 16GB module works alone or you can add a second identical stick later for 32GB dual-channel performance.

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