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Two green circuit-board sticks with black chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM1024642666SO 16GB DDR4 2666 SODIMM D37

SKU CH-CM15-C9QKR

A 16 GB DDR4 2666 MHz SODIMM kit with two 8 GB modules, CL19 timing and 1.2 V operation, built for Dell G3 15 3579 and G3 17 3779 gaming laptops

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 16 GB kit (2 × 8 GB) for multitasking headroom
  • DDR4 2666 MHz speed for responsive performance
  • CL19 latency and 1.2 V for efficient operation
  • 260-pin SODIMM fits Dell G3 15 (3579) and G3 17 (3779)
  • Lifetime warranty against manufacturing defects from CMS

System-specific upgrade

This 16 GB kit contains two 8 GB DDR4 SO-DIMM modules rated at 2666 MHz with CL19 timings. It is built for Dell G3 15 (3579) and G3 17 (3779) Gaming laptops. The unbuffered, non-ECC design uses major-brand chips on 260-pin sticks. Buyers needing ECC, registered DIMMs or higher capacities for other platforms cannot use this kit.

Thermals and power

Each module runs at the standard DDR4 voltage of 1.2 V without a heat spreader. The low-voltage operation keeps power draw modest and heat output minimal inside the tight laptop chassis. No active cooling is required and the memory adds no audible noise. Systems that demand higher voltages or registered buffering are not supported.

Build fit

The two sticks fill both SO-DIMM slots in the compatible Dell models, reaching the platform maximum of 64 GB when combined with existing modules. Installation needs only a compatible slot and BIOS that recognises DDR4 2666 non-ECC memory. The kit frees no extra slots and suits no desktop or server form factor.

How it compares

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

Price $86.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.44 per GB
Cheaper than about 71% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM1024642666SO
Total capacity16 GB (2 × 8 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell G3 15 (3579) Gaming, G3 17 (3779) Gaming
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 260-pin DDR4 SODIMM modules into my Dell G3 15 (3579) and which step is most often missed?

Power off and unplug the laptop, remove the base cover, insert each 8 GB stick at a 30-degree angle into the two SODIMM slots until the gold contacts disappear, then press down firmly until both side clips click — the step most people miss is pressing down hard enough to engage both clips.

What maintenance or replacement will the 16 GB DDR4 2666 kit need over its lifetime?

No scheduled maintenance is required; the modules carry a limited lifetime warranty against manufacturing defects, so replacement only occurs if a stick fails and you claim that warranty.

What limit appears first when the memory runs at 2666 MHz under sustained load?

The CAS latency of CL19 (19-19-19 timing) at 1.2 V is the primary timing constraint that governs sustained throughput.

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