Desktop/Laptop memory ram ddr/ddr2/ddr3 1.128MB/256MB/512MB/1G/2G 2. ... 3.warranty 3 years. 4.8bits Desktop/Laptop memory ram ddr,ddr2,ddr3/ 512mb,1gb,2gb,4gb/best quality/OEM ... /Original chip/8 bitsDesktop/Laptop memory ram ddr,ddr2,ddr3/ 512mb,1gb,2gb,4gb/best quality/OEM ... socket type dual in line memory module (DIMM)3) 2.6V power supply4) Data rate: 400/333/533/667/800Mbps (max) 5) ...