The SanDisk Extreme is one of the best USB flash drives you can get. At 0.84 inches wide, this sleek, black drive is both stylish and highly functional. This memory stick performed reasonably well in our tests for this USB flash drive comparison. You won't need any additional drivers to get the SanDisk Extreme working, and it's compatible with both Windows and OS X operating systems. Although a software download is required for Macs, these features earn the SanDisk Extreme our Top Ten Reviews Gold Award.