In this example, it would be best if a conventional disk array of hard drives showed performance of at least 30fps to be safe. However conventional hard disks slow down significantly as they fill up and a larger safety margin is required for reliability. SSD storage does not fluctuate much in speed and so an SSD disk array would not need to perform much faster than the video format. A faster disk array or a less demanding video format should be used for reliability. If the “Will it Work?” panel shows a green checkmark for 2K in 10 Bit YUV 4:2:2, but the “How Fast?” panel shows that a maximum of 25fps will be supported, the disk storage performance is too marginal to be reliable. The “How Fast?” results panel shows the frame rates your drive can achieve in frames per second and should be read in conjunction with the “Will it Work?” panel. To stop the test, click the Start button. Notes: The entire test takes about 16 seconds, but it repeats over and over again. Click the Speed Test Start button and watch as the information loads on the screen.Click the Settings button, then choose the size of the Stress file the application uses.In the left panel of the Finder screen, choose the disk or Mac volume you want to test, then click Open.Click Select Target Drive in the drop-down menu. ![]()
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