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Green printed circuit board with black memory chips, no heat spreader, standard desktop DIMM shape

G.SKILL

G.SKILL F4-2666C19S-32GNT 32GB DDR4 2666 CL19 desktop RAM

SKU CH-XYGT-1M9A0 MPN F4-2666C19S-32GNT

32 GB DDR4 desktop memory running at 2666 MT/s with CL19 timing at 1.2 V

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Memory timings19-19-19-43
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 32 GB capacity handles heavy multitasking
  • DDR4 2666 speed delivers 21300 bandwidth
  • CL19 19-19-19-43 timing balances latency
  • 20 V operation cuts power draw 20 % vs DDR3
  • Validated for AMD X570 B550 and Intel Z790 Z690 Z590 Z490 Z390

32GB DDR4 2666 Value Module

This single 32GB DDR4 2666 module targets desktop users who need a large capacity stick for memory-intensive workloads or multi-tasking. It runs at PC4 21300 speed with CL19 19-19-19-43 timings and requires no heat spreader. The unbuffered non-ECC design fits standard consumer motherboards.

Thermals and power at 1.20V

Operating at the standard DDR4 1.20V, the module draws less power than DDR3 equivalents and produces minimal heat without a spreader. Under normal desktop loads the memory stays cool and silent because it has no active cooling. The low voltage helps keep overall system power draw modest.

Matched-kit stability note

The manufacturer stresses that memory kits are validated as matched sets and warns against mixing kits to avoid stability issues or boot failures. This single module is intended to be used alone or paired only with an identical part number. No bundled software or accessories alter this behaviour.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $257.99
Pricier than about 73% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $8.06 per GB
Pricier than about 59% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameG.SKILL
Product lineValue Series
Model nameF4-2666C19S-32GNT
Total capacity32 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Memory timings19-19-19-43
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.03 kg
Package size173 × 71 × 14 mm
Compatibility
Recommended forAMD X570 / B550
Intel Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390

Questions about this item

Will this single 32 GB DDR4 2666 module work with my AMD X570 or B550 motherboard?

The kit is validated for AMD X570 and B550 platforms and will boot at the standard 2133 MHz SPD speed before XMP is enabled.

Does this stick require a heat spreader or active cooling for stable operation?

It ships without a heat spreader and runs at the standard 1.20 V DDR4 voltage, so no extra cooling is needed for normal use.

Can I install this unbuffered non-ECC DIMM in a desktop board that supports DDR4 2666?

Yes, it is an unbuffered non-ECC DDR4 2666 module with 19-19-19-43 timings, matching the standard desktop DIMM form factor.

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