1pcs of 4GB PC3-12800 DDR3-1600MHZ CL11 204-pin SDRAM SODIMM. Lifetime exchange or repair warranty against manufacturing defects. This is a CMS Brand We dont use OEM or Generic Modules to avoid incompatibility Max Memory 16GB Sockets 2
Compatible with: Toshiba Portege R830-S8332, R830-SP3173M, R830-SP3174M