The ULANSON ULS-U3P7N-7PB ULS is a USB expansion card that provides enhanced connectivity options for desktop computers. This card offers 7 USB 3.0 downstream ports through a PCI-E (Peripheral Component Interconnect Express) interface. USB 3.0 supports fast data transfer rates of up to 5Gbps, though the actual speed may be influenced by the connected devices. This expansion card is designed for standard desktop PCs and is compatible with USB 2.0 and 1.1 devices, ensuring backward compatibility. Additionally, the card features a SATA 15pin connector that enables USB devices to be powered directly from the PC's power supply. This card is suitable for operating systems such as Windows XP, Vista, 7, 8, and 10.