... 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 ... 3 years. desktop memory ram ddr3 4gb 1333mhz/best quality1) DDR 400/333 & DDRII 533/667/800 MHz2) 168/ ... 2.6V power supply4) Data rate: 400/333/533/667/800Mbps (max) 5) 2.5 V (SSTL-2 compatible ...