... delivery 4.work on all motherboard Support all motherboard ddr ram 1gb1) DDR 400/333 & DDRII 533/667/800 & DDR3 ... ) 168/184/240-pin socket type dual in line memory module (DIMM) .3) 2.6V power supply4) ... -2 compatible) I/O for DDR I products, 1.8Vpower supply for DDR II products 6) Double-data- ... a professional manufacturer of PC and laptop memory module, USB flash drive, memory card, MP3/MP4/MP5 player, ...