Enhance your desktop PC's connectivity with this high-performance PCI-E to 2 Port 19Pin USB 3.0 Card Adapter. Designed to expand your system by adding 4 additional USB 3.0 ports via two internal 19-pin USB 3.0 connectors, this adapter delivers fast data transfer speeds up to 5Gbps with stable and reliable performance. Perfectly compatible with PCI-E X1, X4, X8, and X16 slots, it supports a wide range of Windows operating systems including WinXP, Win7, Win8, Win8.1, and Win10. Key Features: · 4 USB 3.0 Ports Expansion: Allows you to easily extend your desktop PC with 4 high-speed USB 3.0 ports through two internal 19-pin USB 3.0 interfaces, boosting your device connectivity. · Advanced Master IC Technology: Utilizes a high-quality master IC for low heat generation, fast operation, stable performance, and minimal interference, ensuring seamless data transmission. · Independent Power Modules: Each USB 3.0 port is equipped with an exclusive 2A power supply module, providing a total of 8A output to support power-hungry USB devices efficiently. · 4 Independent Protective Insurances: Every USB interface features its own protective insurance to instantly cut off power in case of short circuits or overcurrent, safeguarding connected peripherals and your computer. The system automatically resets to normal operation after fault clearance. · Solid Capacitors for Stability: Each port includes a solid-state chip capacitor rated up to 250°C, guaranteeing smooth and stable power delivery for reliable connectivity. · Durable Construction: Features a high-quality fixed baffle treated with hardening and bending for enhanced durability and stability when securing the expansion card in your PC chassis. · Gold-Plated PCI-E x1 Interface: Thick gold plating on the PCI-E x1 interface enhances contact stability, reduces data distortion, and ensures consistent transmission quality. Specifications: · Interfaces: 1 x PCI-E x1; 2 x USB 3.0 19-pin connectors · Transfer Speed: Up to 5Gbps · Current Output: 2A per USB 3.0 port · Compatibility: Windows XP, 7, 8, 8.1, 10 · Applicable Slots: PCI-E X1, X4, X8, X16 · Low Profile Baffle Length: 8cm · Product Dimensions: Approx. 12cm (baffle) x 9cm x 6.9cm · Package Weight: 113g Package Includes: · 1 x PCI-E to 2 Port 19Pin USB 3.0 Card Adapter · 1 x Low Profile Baffle · 1 x CD (Driver/Manual) · 1 x Screw Upgrade your system’s USB connectivity with this reliable and efficient PCI-E USB 3.0 expansion card, engineered to deliver stable power, high-speed data transmission, and enhanced protection for all your USB peripherals.