Welcome to our store! 1、4 Ports: This PCIe to USB3.0 expansion card adds 2 x external USB 3.0 Type-A ports, 1 x RJ45 Gigabit LAN port, and 1 x internal USB 3.0 19-pin port to your desktop computer. 2、5Gbps High Speed: All additional USB 3.0 ports provide a super-fast 5Gbps transfer rate for video and audio data. The RJ45 port supports adaptive 10/100/1000 Mbps speeds, supporting full-duplex and half-duplex working modes. 3、Wide Compatibility: This PCI Express to Ethernet RJ45 card is suitable for PCIE x1, x4, x8, x16 slots. Compatible with Win XP, Win 7, 8, 8.1, 10, and Linux. 4、PCIe to RJ45: This PCIe to RJ45 expansion card converts PCIe slots (X1/X4/X8/16) into RJ45 Gigabit Ethernet ports. Note: Only for PCIe slots, not for PCI slots. 5、15-Pin Power: This PCIe to USB3.0 expansion card uses a 15-pin interface, providing sufficient power for high-speed transfer. It supports hot-swapping, plug and play. Item Type: PCIe to USB3.0 Expansion Card Material: Printed Circuit Board Expansion Interface: USB3.0 x 2 (External) + Gigabit Network Interface x 1 + 19-Pin USB3.0 (Internal) + 15-Pin Power Interface Applicable Interface: PCI E 1x, PCI E 4x, PCI E 8x, PCI E16x Product Features: PCI Express 2.0: PCI Express 2.0 specification, VL805, AX88179 high-performance chips Expansion: Expands 3 high-speed USB3.0 interfaces and one Gigabit network interface Self-Adaptation: Automatically adapts to 10/100/1000 Mbps speeds, supporting full-duplex, half-duplex working modes Wide Compatibility: Supports a variety of network operating systems Strong Power Supply: The USB3.0 interface provides 5V900MA super-strong power supply, the power supply is sufficient and stable Plug and Play: Supports hot-swapping, plug and play SATA 15-Pin Power Supply: Sufficient and stable power supply ensures stable operation of the equipment 1 x PCIe to USB3.0 Expansion Card 1 x Screw If you receive your item and find any product problems, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.