PCI Express USB 3.0 19 Pin Expansion Card PCIE 1x to 2 Ports USB 3 19 Pin Adapter Internal USB3 20Pin Hub Header for Windows PC The back of the card is equipped with two USB3.0 19pin pin headers. If the front of the chassis has a USB3.0 interface, you can directly connect the line to this port, if the chassis does not have a 3.0 interface , You need to work with the front panel. PCI-E to USB 3.0 card allows you to extend 4 USB 3.0 ports to your desktop PC using the two internal 19-pin USB3.0 ports. 1. The high-quality fixed baffle is used to fix the expansion card in the chassis. And these baffles, treated with flex hardening on both sides, can withstand higher force. 2.Gold-Plated PCI-E x1 Interface: Thick gold-plated PCI-E interface for more stable contact and transmission. It is not prone to data distortion. 3.High-quality main control IC can eliminate interference to the greatest extent and greatly improve stability Specifications Product name:PCIE 19 Pin 20 pin USB 3.0 Adapter Chip: LV805 Input interface: PCI Express Output Interface: USB3.0 Number of interfaces: 2 ports USB3.0 Power supply: No additional power supply required Transmission speed: up to 5Gbps Compatible interface: PCIe x1 x4 x6 x8 x16 slot Incompatible interface: PCI slot Supported systems: Windows XP/Vita/win7/win8/win10 color: As shown Material: PC+Metal Package Contents: 2 x PCIE 19 Pin 20 pin USB 3.0 Adapter (Due to different product batches, the appearance may be different, which does not affect use.)