Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288-Pin Memory - CT8G4DFS8266

Speeds start at 2133 MT/s and faster data rates are expected to be available as DDR4 technology matures Increase bandwidth by up to 32 Percent Reduce power consumption by up to 40 Percent Faster bursts access speeds for improved sequential data throughout Single Ranked, x8 based, Unbuffered DIMM