The Delock PCI Express x4 card offers two external USB 10 Gbps ports to expand computer connectivity. This expansion card features a USB Type-C port and a USB Type-A port, both supporting SuperSpeed USB 10 Gbps data transfer rates while being used simultaneously. The card utilizes the Asmedia ASM3142 chipset and is compatible with PCI Express x4, x8, x16, and x32 slots, requiring either PCI Express interface power or an additional SATA 15-pin power connection. Each port provides different power outputs, with the USB Type-C port delivering up to 15 watts (5 V / 3 A) and the USB Type-A port up to 4.5 watts (5 V / 0.9 A). This expansion solution is backward compatible with USB 3.0, USB 2.0, and USB 1.1 standards, ensuring broad device support. The card supports the eXtensible Host Controller Interface Specification 1.1 and Multiple INs functionality for efficient data processing. System compatibility includes Linux Kernel 4.6 or newer versions and Windows operating systems from Windows 7 to Windows 11 in both 32-bit and 64-bit architectures. The package includes the PCI Express card, a low-profile bracket for compact computer cases, a driver CD, and comprehensive user documentation. This expansion card is designed for connecting various USB peripherals, including docking stations, card readers, external storage enclosures, and other USB-compatible devices that require high-speed data transfer capabilities. The robust construction and reliable chipset technology ensure consistent performance for professional and personal computer applications where additional high-speed USB connectivity is needed.