Samsung M378B5673FH0-CH9 4GB 2 x 2GB PC3-10600U DDR3 1333 Desktop Memory Kit Brand: Samsung M378B5673FH0-CH9 Capacity: 4GB 2 x 2GB Type: 240-Pin DDR3 SDRAM Speed: DDR3 1333 (PC3-10600U) Cas Latency: 9