4 PORTS: Supports four 5Gbps maximum USB A ports with hot swap support for industrial cameras, VR systems, USB 3.0 NVME enclosures, live streaming devices, USB 3.0 SSD/HDD enclosures, USB 3.0 video adapters, and USB 3.0 universal docking stations. SELF-POWERED TECHNOLOGY: Expansion card with built-in self-powered technology eliminates the need to connect additional power cables from the computer's power supply, allowing each USB 3.0 port to receive 5V/2A 10W maximum (5V/8A 40W total) power directly from the motherboard for connecting high-power USB 3.0 devices. SECURE CONNECTION: PCIE USB 3.0 card adds 4X electronic safety fuses, 4X voltage regulation capacitors, and 4X voltage regulation inductors to protect user data and USB 3.0 devices, ensuring a secure connection. COMPATIBLE SYSTEMS: For Windows 11, 10, 8.x (32/64 bit) and for Windows Server 2012, 2012R2, 2016, 2019, 2022 systems plug and play. For Windows XP, Vista, 7 (32/64 bit) and for Windows Server 2003, 2003R2, 2008, 2008R2 (32/64 bit) systems, driver installation is required and is plug and play on most Linux kernels. SLOT SUPPORT: PCIE X1 interface design for PCIE X1, X2, X4, X8, X16 slots, not for PCI slots. Based on PCIE 2.0 standard, compatible with PCIE 1.X, 2.X, 3.X, 4.X PCIE slots. The full-height bracket mounted on this PCIE USB 3.0 expansion card is suitable for standard-sized (3U) computers. Item Type: 4 Ports USB 3.0 PCI Express Expansion Card Material: PCB Interface Type: PCIE X1 (X4, X8, X16 are applicable, not applicable to PCI slot) Applicable Models: Conventional desktop (small chassis must be equipped with a small switching bit) Number of Expansion Interfaces: 4 USB 3.0 Transfer Rate: 4x5Gbps Power Supply: Self-powered Support: Support for Hot Swappable 1 x 4 Ports USB 3.0 PCI Express Expansion Card