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Two green circuit boards with black memory chips, no heat spreaders, 260-pin SODIMM form factor

Computer Memory Solutions

Computer Memory Solutions CM2048642666SO 32GB (2x16GB) DDR4 2666 CL19 SODIMM

SKU CH-03NT-1RHYR

32 GB (2 × 16 GB) DDR4 2666 CL19 SODIMM kit validated for Dell G3 15 3590, G5 15 5590, 5579 and G7 15 7590

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 32 GB dual-channel kit for multitasking headroom
  • 2666 MHz DDR4 speed matches Dell G-series specs
  • CL19 latency with 1.2 V efficient operation
  • 260-pin SODIMM form factor fits G3 15 (3590), G5 15 (5590), G5 15 5579, G7 15 (7590)
  • Two 16 GB unbuffered modules enable matched-pair install

Capacity and fit

This 32 GB kit supplies two 16 GB DDR4 SO-DIMM modules for compatible Dell Gaming G3 15 and G5 15 or G7 15 laptops. Each stick uses a 260-pin layout and runs at 2666 MHz with CL19 timing at 1.2 V. The unbuffered, non-ECC design matches the factory memory slots in the listed notebooks.

Thermals and power

Operating at the standard 1.2 V keeps power draw low and heat output minimal inside the tight chassis of a gaming laptop. Without a heat spreader the modules rely on the system’s existing airflow, which is sufficient for the rated speed. Acoustic impact is negligible because no active cooling is added.

Sustained load behaviour

Under continuous workloads the dual-rank 2Rx8 organisation maintains the specified 19-19-19 timings without throttling. All installed memory will run at the slowest module or processor limit, so matched pairs deliver consistent throughput. A 64-bit operating system is required to address the full 32 GB capacity.

How it compares

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

Price $172.99
Cheaper than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.41 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 nameCM2048642666SO
Total capacity32 GB (2 × 16 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell Gaming G3 15 (3590), G5 15 (5590), G5 15 5579, G7 15 (7590)
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 260-pin DDR4 SODIMM sticks into my Dell G5 15 5590, and what step is often missed?

Power off, unplug, and remove the battery. Open the memory door, align the notch on each 16 GB stick with the slot key, press in firmly until the side clips click, then replace the door and battery before booting.

What maintenance or replacement will the 32 GB kit need during its service life?

No scheduled maintenance is required. The unbuffered non-ECC modules have no heat spreader or moving parts. If a stick fails, the manufacturer offers a limited lifetime exchange for manufacturing defects.

What limit appears first when the CL19 2666 MHz memory runs sustained workloads on a Dell G7 15 7590?

The CAS 19 latency and 1.2 V JEDEC voltage set the performance ceiling. All installed modules run at the slowest timing present, so mixing faster sticks will not raise throughput.

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