Samsung 840 Evo Read Speed Decreased

ToastWiz

Distinguished
Aug 5, 2012
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After upgrading my motherboard from an Asrock Z97 Pro4 to an Asus Maximum Hero VII, I noticed an increase in boot times. Samsung magician tells me that my sequential read is now around 300Mb/s rather than the usual 540ish. Is there a chance the mobo upgrade could have caused this?

The upgrade itself went smoothly, no OS reinstall and everything functions as it did with the exception of windows being deactivated.