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Green rectangular circuit board with black memory chips and gold edge connectors

Crucial

Crucial CT8G4SFS8266 8GB DDR4 2666 SO-DIMM laptop RAM

SKU CH-BEPD-RVVK5 MPN CT8G4SFS8266

8 GB DDR4 SO-DIMM running at 2666 MT/s with CL19 latency and 1.20 V operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type260-Pin DDR4 SO-DIMM

Capacity 8GB

  • 8 GB capacity adds headroom for multitasking
  • DDR4 2666 (PC4 21300) speed boosts data throughput
  • CL19 latency supports responsive application performance
  • 20 V operation reduces power draw versus DDR3
  • 260-pin SO-DIMM form factor fits standard laptop slots

Module DDR4 2666 MHz 8 Go pour portable

Ce module Crucial CT8G4SFS8266 apporte 8 Go de mémoire DDR4 SO-DIMM à 2666 MHz (PC4-21300) avec une latence CL19 et une tension de 1.20 V. Il est conçu pour les ordinateurs portables acceptant la mémoire DDR4 non-ECC et non tamponnée sur connecteur 260 broches.

Utilisateurs concernés et limites

Ce module convient aux propriétaires de portables compatibles DDR4 souhaitant augmenter la capacité ou remplacer une barrette défectueuse. Il ne convient pas aux machines limitées à la mémoire DDR3, ni aux stations de travail exigeant la correction d'erreurs ECC ou des modules enregistrés.

Spécification déterminante

Le format SO-DIMM 260 broches DDR4 impose une compatibilité stricte avec les contrôleurs mémoire DDR4 des portables récents ; un emplacement DDR3 n'acceptera pas ce module.

How it compares

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

Price $30.99
Cheaper than about 73% 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 $3.87 per GB
Cheaper than about 83% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameCrucial
Model nameCT8G4SFS8266
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Size & build
Shipping weight0.05 kg
Package size175 × 117 × 13 mm

Other versions of this model

5 more in the same range

Questions about this item

Does the CL19 latency or 1.20V voltage require any periodic maintenance or replacement?

No, DDR4 SO-DIMM modules have no moving parts or serviceable components; the CL19 timing and 1.20V operation are fixed for the life of the product.

Under sustained load, does the 2666 MT/s speed or CL19 latency become the first bottleneck?

The module runs at its rated 2666 MT/s with CL19 latency; the memory controller and thermal limits of the laptop chassis determine the practical ceiling.

How much heat or power does the 8GB DDR4 module add when the laptop runs all day?

At 1.20V it draws roughly 20% less voltage than DDR3, reducing power draw and heat output for longer battery life.

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