Inateck 4 Ports PCI-E to USB 3.0 Expansion Card Interface USB 3.0 4-Port Express Card Desktop compatible Windows XP/7/8/10, Mini PCI-E USB 3.0 Hub Controller Adapter, No Additional Power Connection Needed

Due to frequently updated drivers, please download the latest version on Inateck official website to enhance your using experience Features -No additional power supply is needed, optimized board plane architecture, fast and easy installation, keeps your Desktop PC case tidy- This PCI Express Expansion Card expands your PC by adding 4 USB 3.0 Ports, offerring a simple solution to USB 3.0 devices connected to your standard desktop PC- Support UASP: 70% Faster than traditional USB 3.0; The UASP Transfer Protocol can only accelerate read and write speed of SSD hard disk Operating SystemsWindows XP, Vista and Windows 7 (with included drivers), Windows 8 (No additional drivers are needed, it has built-in support for the NEC D720201 chipset) Windows XP and Vista Users Please Note: Due to OS limitations, the real transfer speed will be located between the level of USB 2.0 and 3.0 Power Usage Alerts-For stable operation, do not connect it to more than 2 high power-consuming devices, such as 1TB hard drive.-This USB 3.0 express card is not meant to serve as a stand-alone charger 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