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Green circuit board SODIMM module with black memory chips and gold contacts

Computer Memory Solutions

Computer Memory Solutions 8GB DDR4 2666 SODIMM 1Rx8 memory upgrade

SKU CH-MWM2-ZFY3S

8GB DDR4 2666 SODIMM module with 1Rx8 unbuffered non-ECC layout, CL19 timing and 1.2V operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latency19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 8GB DDR4 2666 MHz SODIMM boosts laptop responsiveness
  • CL19 19-19-19 timings deliver stable 1.2V operation
  • 1Rx8 single-rank unbuffered design ensures broad compatibility
  • 260-pin non-ECC form factor fits standard DDR4 slots
  • Major-brand chipset components built for long-term reliability

8 GB DDR4 2666 SODIMM module

This 8 GB DDR4 2666 SODIMM module is built for laptops and small-form-factor systems that need a straightforward memory increase. It runs at 2666 MHz with CL19 timing at 1.2 V and uses a 260-pin unbuffered design. The single-rank 1Rx8 layout keeps electrical loading light for broad compatibility.

Suits owners of compatible DDR4 laptops

Buyers whose devices require ECC or registered memory should look elsewhere, as this module is non-ECC and unbuffered. Systems locked to lower DDR4 speeds will still run the module at the highest supported rate, but those needing quad-channel kits or higher frequencies will not be served by this single stick.

Fits any 260-pin DDR4 SO-DIMM slot

The module draws standard 1.2 V power and requires no extra cooling or cables. It frees the builder from sourcing matched pairs when only one slot is available, though installing a second identical stick enables dual-channel bandwidth. A 64-bit operating system is needed to address the full 8 GB capacity.

How it compares

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

Price $40.99
Cheaper than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
CAS latency 19
Lower than about 70% of the 483 comparable items (median 22).
Price per GB $5.12 per GB
Cheaper than about 75% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Part numberCM1024642666SO
Total capacity8 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latency19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Power
Rated voltage1.2 V

Questions about this item

Does my laptop need a free 260-pin SODIMM slot to install this 8GB DDR4 2666 module?

Yes, the module uses the standard 260-pin SODIMM form factor, so an available DDR4 SODIMM slot is required for installation.

If I keep my existing memory, will this 1Rx8 CL19 stick run at the same timings as the older modules?

The system will operate all installed memory at the slowest speed and loosest timings present, so this CL19 module will match the lowest common settings.

After installation, how can I confirm the stick is recognised at its rated 2666 MHz speed?

Check the memory frequency in the BIOS or a system-information tool; it should show 2666 MHz (PC4-21300) when the module is running at its rated speed.

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