USB 3.0 product announcements are coming thick and fast these days. The latest is brought to you by the world's largest PC maker Hewlett-Packard, which has announced a pocket-size USB 3.0 external HDD that promises to outstrip USB 2.0 drives with a threefold performance boost. As the current abundance of USB 2.0 ports necessitates, HP has made its USB 3.0 external HDD backwards compatible. Weighing 200gm and measuring 4.47″ L x 3.15″ W x 0.75″ H, the drive is available in 500GB, 750GB, and 1TB capacities, costing $79, $99 and $129, respectively . HP is offering a two-year warranty on the drive.