Crucial CT4G4DFS8266 memory module 4 GB 1 x 4 GB DDR4 2666 MHz

The Crucial difference As a brand of Micron, one of the largest memory manufacturers in the world, we manufacture our memory in-house to meet three key criteria:
Quality All Crucial DRAM is classified as premium-quality and is extensively tested for performance and OEM compatibility before, during, and after the production process.
Compatibility With memory designed for over 50,000 systems and with products that range from energy-efficient DDR3L modules to legacy DDR offerings, we have one of the most complete portfolios in the industry.
Selection Backed by one of the industry’s most in-depth quality test programs, thirty years of manufacturing expertise, and a limited lifetime warranty, our modules are built to last.