So I have a brand new retina iMacs that I recently purchased. I have 2 usb 3.0 hubs and a us in individually into the back of my iMac but they all register as 2.0 devices. I also have a usb 3.0 dock but it's also registering as a usb 2.0 device. I've had these items for a while, they were connected to my hackintosh but I recently parted it out to purchase real macs. I am using 3.0 cables and I have no idea what is wrong! I have 2 of these hubs: http://www.amazon.com/gp/product/B009Z9M3DY?psc=1&redirect=true&ref_=oh_aui_search_detailpage and 1 of these docks: http://www.amazon.com/StarTech-com-...005JFU16E/ref=cm_cr_arp_d_product_top?ie=UTF8 Would appreciate if somebody could help me with this issue. They should just work, right? FYI, I've tested another Western Digital Passport usb 3.0 which seems to register fine.