2pcs of 8GB PC3-12800 1600mhz single or daul rank 16c 256x8 204-pin SDRAM SODIMM. Lifetime exchange or repair warranty against manufacturing defects. by Computer Memory Solutions 30 DAY MONEY BACK GUARANTEE Brand Computer Memory Solutions Maximum supported 32GB
Sockets: 4
Compatible with: Alienware M17x R5 Notebook