CT8G4SFRA266 is a 8GB DDR4 notebook module that operates at speeds up to 2666 MT/s and has a CL19 latency. It is an Unbuffered SODIMM. It conforms to the industry standard DDR4 SODIMM layout of 260 pins and is compatible with systems that take DDR4 2666 MT/s SODIMM memory.