CT8G4SFS8213 is a 8GB Single Ranked DDR4 Notebook module that operates at speeds up to 2133 MT/s and has a CL15 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 2133MT/s SODIMM memory.