2 single pc of 4GB PC3-10600 DDR3-1333 CL9 16c 256x8 204-pin SDRAM SODIMM. Lifetime exchange or repair warranty against manufacturing defects. by Computer Memory Solutions Brand Computer Memory Solutions We don't use Generic or OEM parts to avoid incompatibility
Compatible with: Toshiba Satellite C655D-S5044, C655D-S5045, C655D-S5046
Maximum Memory: 4 GB using a 32-bit Operating System 8 GB using a 64-bit
Operating System Expansion: 2 Sockets