BLS4G3N18AES4 is a single 4GB DDR3 modules that operates at speeds up to 1866 MT/s and has a CL10 latency with extended timings of 10-10-10-30. It is Performance and is non-ECC. It conforms to the industry standard SODIMM layout of 204 pins and is compatible with computers that take DDR3 SODIMM memory.