Inateck 2 Port PCIe USB 3.0 Card with Internal USB 3.0 20-Pin Connector - Expand Another Two USB 3.0 Ports, Compatible Mac Pro, No Additional Power Connection Needed

Due to frequently updated drivers, please download the latest version on our Inateck official website to enhance your using experience. Attention- internal USB3. 0 20pin connector need work with USB3. 0 20pin adapter to achieve 2x USB3. 0 hosts - USB3. 0 20pin adapter is not included in package- This USB 3. 0 Express card is not meant to serve as a stand-alone charger. Features- no additional power supply for normal recognition and operation needed anymore, optimized board Plane architecture, Fast and easy installation, keeps your PC case tidy- extend with 2 USB 3. 0 downstream ports and 1 USB3. 0 20-pin connector (can expand another two USB 3. 0 ports) for standard desktop PC- support UASP: 70% faster than traditional USB 3. 0, With Rasp transfer protocol; the UASP transfer protocol only can accelerate read and write speed of SSD hard disk operating systems- Windows XP, Vista, windows 7, window 8 and Windows 10 (32/64-bit)- the expansion card is applicable to the Mac Pro (2008 to 2012 Version)- Mac OS 10. 8. 2 or Mac OS 10. 9. 5 - this PCI-E Card is incompatible with Mac OS X 10. 10 Yosemite or above. Attention: If devices attached to the Express card aren't recognized after a Restart of the computer, It is advised to detach and Reattach the devices onto another USB port again, So a proper recognition is realized the card doesn't work properly from the start, you may try out the following step-by-step 1: de- and Reattach the devices to be recognized, so the system can try another recognition searchstep 2: augment with the optional power supply, so an automatic search can be retried 3: check the PCI-E socket on the main board for possible faultsstep 4: Try out another desktop PC, if available, to determine the card’s general functionality