This item is a expansion card adapter which is easy to install. Works great with Windows XP 32/64, Windows 7 32/64, Windows8, Windows8.1, Windows10. USB 3.0 supports transfer rates of up to 5 Gbps. This adapter is highly performance and of premium quality which is more stable and compatible. Features: ¡¾COMPATIBILITY¡¿This adapter is a universal adapter that is compatible with multiple versions of Windows, such as: Windows XP 32/64, Windows 7 32/64, Windows 8, Windows 8.1, Windows 10. ¡¾COMPATIBLE SPECIFICATIONS¡¿This adapter has two USB3.0 ports, the bus mode is PCI-E x1, and the compatible slot has PCI-E x1 / x4 / x8 / x16 four specifications, which is more stable and compatible. ¡¾HIGH-SPEED TRANSMISSION¡¿USB 3.0 supports a transmission rate of up to 5 Gbps, achieving a super-high-speed transmission rate. This adapter has extremely high performance and can meet the needs of daily use. ¡¾EASY INSTALLATION¡¿This expansion card adapter is easy to operate, easy to install, plug and play, and does not require complicated settings. This is a adapter which is very easy to use. Specification: Bus Mode: PCI-E x1 Compatible Slots: PCI-E x1 / x4 / x8 / x16 USB Interface: 2 USB3.0 ports Transmission Rate: USB3.0, 5Gb / s Support Operating System: Windows XP 32/64, Windows 7 32/64, Windows8, Windows8.1, Windows10 Package Weight: 80g Quantity: 1pc Package included: 1 x PCI-E To USB3.0 Expansion