SanDisk is known for pushing the limits of portable flash storage - usually capacity, but this time it went for speed. The SanDisk Extreme Pro USB 3.1 promises SSD-like speeds in a thumb drive form factor. Using a USB 3.1 interface, the drive offers read speeds up to 420MB/s and write speeds up to 380MB/s. That's fast enough to transfer a 4K movie in just 15 seconds points out SanDisk while we'd like to point out that these are more SATA SSD speeds (some M.2 drives get into the gigabytes per second range). Anyway, the Extreme Pro USB 3.1 drive has an aluminum casing and a retractable...
Source: http://www.gsmarena.com/sandisk_extreme_pro_usb_31_brings_ssd_speeds_to_thumb_drive_form_factor-news-22563.php
