Crucial 4GB Single DDR4 2666 MT/s (PC4-21300) CL19 x16 SODIMM 260-Pin Memory – CT4G4SFS6266, Green

Optimized for next generation processors and platforms
Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology matures
Increase bandwidth by up to 30%
Reduce power consumption by up to 40% and extend battery life
Faster burst access speeds for improved sequential data throughput