1pc of 4GB DDR3L, 1600MHz, Non-ECC, CL11, X8, 1.35V, Unbuffered, SODIMM, 204-pin Lifetime exchange or repair warranty against manufacturing defects BY Computer Memory Solutions BRAND Computer Memory Solutions We don't use GENERIC parts to avoid incompatibility Compatible with: Toshiba Satellite C55-A5330, C55-A5324, C55-A5322 Max memory 16GB Sockets 2