20PIN USB3.0 PORTS: Expand your desktop PC with 4 USB 3.0 ports via two internal 20-pin USB3.0 ports. 4 INDEPENDENT FUSES: Each port is equipped with an independent protection fuse. If a connected USB device experiences a short circuit or excessive power draw, the power is immediately cut off to protect your peripherals and computer. 4 SOLID STATE CAPACITORS: Each interface features independent voltage-regulating capacitors for stable power delivery. These solid-state chip capacitors can withstand high temperatures up to 250°C. POWER SUPPLY MODULE: Every USB 3.0 interface has its own independent power supply module, providing an exclusive 2A power supply per interface, for a total of 8A. Utilizes a 12x12mm closed super power inductor. TRANSMISSION STABILITY: The thickened gold-plated PCIE interface ensures more stable contact transmission and reduces data distortion. The fixed baffle with bending hardening treatment secures the expansion card to the chassis. Item Type: PCI Express to Dual 20-pin USB 3.0 Card Material: PCB Input Interface: PCI Express X1 Output Connector: 2x20PIN Front Panel Connector (USB3.0) Power Supply: No additional power supply required Transmission Speed: Up to 5Gbps Compatible Interface: PCIe x1, x4, x6, x8, x16 Slots Incompatible Interface: PCI Slots Package Includes: 1 x PCI Express to Dual 20-pin USB 3.0 Card Customer Satisfaction: If you encounter any product issues after receiving your order, such as damage or incorrect quantity, please contact the seller immediately for prompt assistance and a satisfactory resolution.