Get a LaCie they use samsung drives and have incredible finish not some plastic like WD ,, its aluminum, etc ... At USB 3.0 I get 170mbps , My hard drives give 100mbps and 150mbps for F4 , so USB 3.0 is a big success. It did my create image in w8, finishes in 30 minutes,, used to create image on other lacie which is esata ,, it was 100mbps to 120mbps.......