PCI-E 3.0 USB expansion card with built-in desktop adapter 4-port PCIe to USB without power supply

4-Port USB 3.0 Expansion: Professional PCIe 3.0 adapter adds four external USB 3.0 Type-A ports delivering SuperSpeed 5Gbps transfer rates. Eliminates port shortage for external drives, peripherals, webcams, VR headsetsessential upgrade for desktop motherboards with limited USB connectivity.

Bus-Powered Design: Self-powered through PCIe slot without requiring additional SATA/Molex power connections. Simplified installation eliminates cable clutterclean setup for systems with limited power supply connectors or cable management constraints.

PCIe 3.0 Interface: Latest PCIe 3.0 standard ensures maximum bandwidth and compatibility with modern motherboards. Backward compatible with PCIe 2.0/1.0 slotsfuture-proof connectivity for current and legacy desktop systems.

Standard PCIe x1 Installation: Compact PCIe x1 card fits all desktop motherboards with available expansion slots. Plug-and-play operation on Windows 7/8/10/11 and Linuxinstant USB 3.0 expansion without driver installation hassles.

Desktop Built-in Enhancement: Adds dedicated USB 3.0 ports for permanent desktop connectivity. Cost-effective solution for gaming PCs, workstations, home officesreliable alternative to failing onboard USB ports or limited motherboard I/O.