PCIe x1 interface, dual rear USB-A ports + 20pin front panel header, 5Gbps transmission speed; Equipped with 15pin SATA power connector for stable power supply to high-power USB devices; Compatible with desktops with empty PCIe slots, supports external SSD, flash drive, peripherals; Standard full-height bracket, plug-and-play, compatible with Windows & Linux systems; Compact PCB, stable signal, ideal for DIY PC storage and peripheral expansion