Kingston DataTraveler HyperX 8 GB USB 2.0 Flash Drive DTHX2/8GB Fast  data transfer rates up to 25MB/sec. read and 16MB/sec. write1 Enhanced for Windows ReadyBoost on Vista-based systems2 Simple  just plug into a USB port Guaranteed  five-year warranty Dimensions  2.76" x 0.88" x 0.44" (70.0mm x 22.4mm x 11.3mm)