7-Port PCI-E to Type C (2), Type A (5) USB 3.0 Expansion Card with 2 Rear USB 3.0 Ports PCI Express Card Desktop for Windows Mac Pro

One Step Update your Computer to 7 ports USB3.02*Type C+5*Type A) Easily with PCI Express to USB3.0 Controller Adapter Card;
SuperSpeed USB 3.0 supports transfer rates of up to 5Gbps - The actual transmission speed is limited by the setting of the device connected.
Backwards compatible with USB 2.0 and 1.1 devices; Operating System Compatibility: Windows XP/Vista/7/8/10/MAC Pro 10.8.2 Above
With quick and easy installation, this USB 3.0 PCI express I/O Card offers a simple solution for connecting to and using USB 3.0 devices on your standard desktop PC. Enjoy copying videos, music, photos, data files between USB devices and the computer at blazing fast speeds.
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 recognized, 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 Mac Pro, if available, to determine the card's general functionality