iMac has slowed

rfoutz

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Aug 28, 2014
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I have a 2014 iMac retina, with the 4.0 gh processor, 16 g memory and solid state drive, with macOS sierra public beta. I haven't run Blackmagic in about a year. Before, every time I'd run the speed test, it would just peg the meters for both read and write. Now when I run it, it doesn't register 50% of the meters.
Any insights?