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Green circuit board with black heatspreader and gold edge connectors

G.SKILL

G.SKILL Ripjaws F4-2666C19S-8GRS 8GB DDR4 2666 CL19 laptop RAM

SKU CH-N35R-N9CZE MPN F4-2666C19S-8GRS

8GB DDR4 SO-DIMM running at 2666 MT/s with CL19 timings and 1.2 V operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Memory timings19-19-19-43
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Capacity 8GB

Speed DDR4 2666 (PC4 21300)

CAS Latency CL19

  • Boosts laptop speed with DDR4 2666 (PC4 21300) performance
  • Low 1.20V voltage cuts power draw and heat
  • CL19 19-19-19-43 timing ensures responsive multitasking
  • 260-pin SO-DIMM fits compatible notebooks and small PCs
  • XMP 2.0 support enables simple one-click setup

Ripjaws 8 GB DDR4 2666 SO-DIMM

This 260-pin DDR4 module delivers 8 GB at 2666 MT/s with CL19 timings of 19-19-19-43. It runs at 1.20 V and is unbuffered non-ECC, built for laptops and small-form-factor PCs that accept DDR4 SO-DIMM memory.

Check DDR4 SO-DIMM slot and voltage

Verify your system uses DDR4 SO-DIMM slots and supports 1.2 V operation at 2666 MT/s. The module is optimised for 6th Gen Intel Core platforms; other DDR4 chipsets may work but are not guaranteed by the manufacturer. Buyers needing ECC or registered memory cannot use this kit.

XMP 2.0 profile and low-voltage efficiency

An XMP 2.0 profile lets the firmware apply the rated 2666 MT/s speed and CL19 timings automatically. The 1.2 V to 1.35 V range reduces power draw and heat output compared with higher-voltage DDR4, helping the system run cooler during sustained loads.

How it compares

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

Price $22.99
Cheaper than about 83% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $2.87 per GB
Cheaper than about 91% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameG.SKILL
Product lineRipjaws Series
Model nameF4-2666C19S-8GRS
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Memory timings19-19-19-43
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Size & build
Shipping weight0.03 kg
Package size165 × 66 × 14 mm

Other versions of this model

5 more in the same range

Questions about this item

Does the module arrive as a single 8 GB stick or as a kit, and is anything else required to install it?

The product is a single 8 GB 260-Pin DDR4 SO-DIMM. No extra parts are needed; insert it into a compatible laptop slot and it runs at 1.20 V.

What is the difference between the CL19 timing and other latency options for this speed?

CL19 means the CAS latency is 19 cycles with timings 19-19-19-43 at DDR4 2666. Lower CL numbers would respond faster, but this module is specified at CL19.

Will the rated 2666 MT/s speed be active automatically in a typical laptop?

The module operates at DDR4 2666 (PC4 21300) with XMP 2.0 support. If the laptop BIOS enables XMP, the rated speed and CL19 timings apply; otherwise it runs at the platform’s default DDR4 speed.

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