Product Details  DDR memory moudle/ DDR2 RAM moudle/ laptop ddr memory moudle/ laptop ddr2 memory module  A professional manufacturer of ram can offer all kinds of ram with best prices,excellent service and high quality.  1)RAM type: DDR Ram Moudle/ DDR2 memory module 2) Total memory: 256MB/512MB/1GB/2GB 3) Bus speed:333/400/533/667/800MHz  4)Operating system compatibility: PC/SO-DIMM 5) Memory bandwidth: PC-2700/3200/4300/5300/6400 6) Voltage: 2.6V  7) Warranty: 3-5 years. 8)Package:Kingston / Hynix / Corsair available,retail & bulk 9)Payment mode:T/T advance & Western Union 10)Delivery time:3 days,1day if have goods in stock.