DeQMaster Posted July 10, 2014 Share Posted July 10, 2014 Hi I have been using Mavericks (now 10.4.9) on this mobbo, paired with an ATI card, and everything went more than good. Sound is working, sleep, appstore... but i have an issue with the USB that is getting on my nerves. If i connect an external USB harddrive, the transfer speed is more than good, but if I plug in an USB thumbdrive, the transfer speed is dog slow (like 45/50 minutes for a 12 gig file!). It happens with virtually *any* brand or model i have throw at it, and thse have been a few. The blackmagic software, which i downloaded for free from te appstore, is reporting speeds around 3Mb/s for writting on any USB thumbdrive. Please, if anyone has any hint, is more than welcome Best Regards Link to comment https://www.insanelymac.com/forum/topic/299422-ga-z77x-ud3h-and-usb/ Share on other sites More sharing options...
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