USB3.0 PCIE to USB3.0 Expansion Card, Front Expansion Card, USB3.0 Desktop, PCI Express Expansion Card, Adapter, USB Hub 1. Adopt nec720201 main chip, high-speed computing core, high compatibility2. Comes with a 2A power supply module, no need for external power supply.3. Each interface is equipped with an independent insurance to protect the interface. When the external usb device is short circuited, or the current is too large, etc., the power can be cut off immediately, so that the external device and the computer are protected from damage, and the fault is automatically restored when the fault is removed.4. Each interface is equipped with an independent voltage regulator capacitor, which can ensure that no interface power supply is stable, and the capacitor adopts semiconductor patch type, which can withstand 250°C high-temperature endurance.5. Adopting gold immersion process, it has good electrical conductivity and strong anti-oxidation ability, which can ensure that the transmission is more stable. Specifications:Type: 4-Port USB 3.0 PCIe Card Expansion SlotsInterface: PCI-e x1, PCI-e x1/ x4/ x8/x16 CompatibleUSB Interface: 4-Port USB 3.0Transmission Rate: 5Gbps USB3.0Applicable Models: For PC DesktopSupported System: For Windows XP 32/64bit, Windows 7 32/64bit, Windows 1/8/8, Windows 10Material: ABSColor: As shown in the figurePackage Contents:1 x Expansion CardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.