Samsung 4GB 4 x 1GB PC2-6400U DDR2 800 240-Pin Desktop Double Sided Memory Kit,Samsung,M378T2953EZ3-CE7" /> Manufacturer: Samsung M378T2953EZ3-CE7 Double Sided Memory Kit Memory Type: 240-Pin DDR2 SDRAM Capacity: 4GB 4 x 1GB Bus Type: PC2-6400U 800Mhz Voltage: 1.8