Adds two USB ports to a PC back panel via a PCI rear bracket using a dual USB 3.0 to motherboard Y adapter cable. The unit connects to a 20Pin IDC motherboard header and fans out to two USB 3.1 TypeA Female ports. Key benefits Expands backpanel USB capability: adds two USB 3.1 TypeA ports to any PC through the PCI rear bracket. Simple compatibility: uses a single 20Pin IDC motherboard header on the motherboard to provide two external ports. speed when available: supports USB 3.0 data transfer rates up to 4.8 Gbps if used with USB 3.0 host and device. Backward compatible: compatible with USB 2.0 and 11 devices. Includes hardware for easy rear access: PCI rear bracket is part of the package for convenient backofcase mounting. Specifications and compatibility Output: two USB 3.1 TypeA Female ports Input: one 20Pin IDC motherboard header Data rate: up to 4.8 Gbps with USB 3.0 host and device Compatibility: USB 2.0 and 11 Bracket: PCI rear bracket included Cable type: dual USB 3.0 to motherboard Y adapter Material and size Material: not specified Size/dimensions: not specified Use scenarios Desktop upgrade: Add two speed USB ports to a desktop with limited backpanel USB options, enabling faster external drives, hubs, or peripherals without chassis modifications. Home theater PC or compact build: Retrofit a back panel with two USB 3.x ports to connect media devices, streaming dongles, or wireless adapters in a minimalist setup. Public or kiosk deployment: Provide two reliable USB connections on the back of a system used in kiosks or pointof stations, where easy access and simple installation are required.