BlackMagic Disk Speed Test for Mac

Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high quality video! Simply click the start button and Disk Speed Test will write test your disk using large blocks of data, and then display the result. Disk Speed Test will continue to test writes and reads from your disk so you can evaluate both performance and readability over time.

Download from Apple App Store: http://itunes.apple.com/gb/app/blackm...
Download from SoftPedia: http://mac.softpedia.com/get/Video/Bl...