Mailiya PCI-E to USB 3.0 2-Port PCI Express Card,Mini PCI-E USB 3.0 Hub Controller Adapter with 15-Pin Power Connector and 1 USB 3.0 20-Pin Connector - Expand Another Two USB 3.0 Ports SuperSpeed USB 3.0 supports transfer rates of up to 5Gbps - The actual transmission speed is limited by the setting of the device connected One step update your windows computer to USB3.0 easily with PCI Express to USB3.0 controller adapter card; 1 USB 3.0 20-pin Connector ( expand another two USB 3.0 ports ) Backwards compatible with USB 2.0 and 1.1 devices; Fits any PCI Express x1, x2, x4, x8 or x16 socket; Low-profile bracket provides the option for installation in small size HTPC case Bus-powered mode and no external power required for most peripherals; Built in 15 Pin SATA power connector available for some high current consumption peripherals; Hot-swappable, plug and play Quick and easy installation, speed up your desktop PC immediately, enjoy your extra large files copying; Operating System Compatibility: Windows 10/8/8.1/7/Vista/XP 32/64-bit, Server 2003-2008 32/64-bit, Linux