Inateck 2-Port PCI-E USB 3.0 Express Card, Mini PCI-E USB 3.0 Hub Controller Adapter with Internal USB 3.0 20-PIN Connector - Expand Another Two USB 3.0 Ports - 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, optimised 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 UASP 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 recognised 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 realised If the card doesn’t work properly from the start, you may try out the following steps Step 1: de- and reattach the devices to be recognised, so the system can try another recognition search Step 2: Augment with the optional power supply, so an automatic search can be retried Step 3: Check the PCI-E socket on the main board for possible faults Step 4: Try out another Desktop PC, if available, to determine the card’s general functionality