Enhance your desktop computer’s connectivity with this high-performance 4-Port USB 2.0 Expansion Card, designed to upgrade your system via a PCI Express x1 slot. This expansion card effectively solves the common issue of limited USB ports inside computer hosts, allowing you to connect multiple USB devices simultaneously with reliable power support through a large 4-pin power supply connector. Key Features: · Four USB 2.0 Ports: Expands your desktop with four additional USB 2.0 ports, supporting a wide range of USB peripherals such as printers, card readers, cameras, scanners, and more. · High-Speed Data Transmission: Fully compliant with USB 2.0 specifications and OHCI/EHCI protocols, delivering data transfer speeds up to 480Mbps for high-speed devices, while maintaining backward compatibility with low speed (1.5Mbps) and full speed (12Mbps) devices. · Broad Compatibility: Compatible with multiple operating systems including Windows 7, 8, 10, Linux, and OS X, ensuring versatile use across different desktop environments. Supports installation in PCI Express x1 to x16 slots for flexible hardware integration. · Hot Plug Support: Enables easy plug-and-play functionality with hot swap capability, allowing you to connect or disconnect USB devices without rebooting your computer. · Stable Power Supply: Equipped with an external 4-pin power connector to provide sufficient power to connected USB devices, enhancing stability and performance. · Quality Construction: Built on a durable PCB material with the ASIX MCS9990 main chip, ensuring reliable operation and compliance with PCI Express Specification Version 1.1 (Bus Bandwidth 2.5Gbps). Specifications: · Item Type: PCI E to USB Expansion Card Hub · Material: PCB · Interface: 4 x USB 2.0 Ports · Applicable Slot: PCI Express x1 (compatible with x1 to x16 slots) · Main Chip: ASIX MCS9990 · PCI Express Specification: Version 1.1, Bus Bandwidth 2.5Gbps · USB Specification: Version 2.0 · USB EHCI Interface Protocol: Version 1.0 and 1.0A · External Power Connector: 4-pin for additional power supply Package Includes: · 1 x PCI E to USB Expansion Card Hub This 4-Port USB 2.0 Expansion Card is an essential upgrade for desktops requiring additional USB connectivity, combining fast data transfer speeds, broad compatibility, and stable power supply in a compact, easy-to-install design. Perfect for users looking to expand their system’s USB capabilities and improve overall device connectivity.