... 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 ... Desktop Computer,laptop computer 3.warranty 3 years. desktop memory ram ddr3 4gb 1333mhz/best quality1) DDR 400/333 ... 168/184/240-pin socket type dual in line memory module (DIMM)3) 2.6V power supply4) Data rate: 400 ...