2PC OF 4GB PC3-8500 DDR3-1066 CL7 16c 256x8 204-pin SDRAM SODIMM. Lifetime exchange or repair warranty against manufacturing defects. BY CMS 30 Day money back guarantee This is a Computer Memory Solutions Brand MAX MEMORY 4 GB using a 32-bit Operating System 8 GB using a 64-bit
Operating System SOCKETS: 2
Compatible with: Lenovo G560e 1050-xxx Series