Features: Equipped with 2 Type C port + 2USB3.0 port, providing additional high-speed expansion ports for desktop computers. The type c ports support USB 3.2 Gen 1 (10Gbps), while the usb3.0 ports support 5Gbps transfer speeds. Compatibles PCIEx1/pciex4/pciex8/x16 slots, supporting mainstream systems with plug-and-play functionality not requiring additional driver. Features an integrated independently power supply module to deliver stable power to the type c and usb3.0 port. Constructed with highly quality PCB boards and carefully selected electronic components, the metal backplate enhances thermal dissipation. This effectively reduces operating temperatures during prolonged use, extending the product's life. Specifications: Component: PCB Transmission rate: 5Gbps Main control chip: NEC720201 Interfaces type: PCIEx1, compatibles pciex4/pciex8/x16 Applicable models: desktop computers Number of interfaces: 2xType-C+2xUSB3.0+TypeE+19PIDC Installation conditions: At least 1 available standard PCIE slot on a mainstream computer Practicality: Widely used in desktop computers that need to expand the USB type c, suitable for professional and computer enthusiasts to improve device connection performances. Package Includes: 1PC Expansion card note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.