Description: ASM1142 origin chip, stable performance, reliability Full height baffle 120mm, suitable for 4U standard chassis SATA 15PIN power supply interface, adequate power supply, more stable performance PCI-Express 4X slot, higher bandwidth Support for USB device hot-swap capability, built specifically for faster, higher-speed personal computers, consumer electronics and communications devices. Specification: Product Name: PCI-Express 2 USB3.1 expansion card Model: LA31-12U-V1.0 Chip: ASM1142 Transfer rate: USB2.0 mode: up to 480Mbps; USB3.0 mode: up to 5Gbps; USB3.1 mode: up to 10Gbps Compatibility: Backward compatible with USB2.0, USB3.0 and PCI-Express 1.0 Current Voltage: Each USB3.1 Interface Power Output: 5V / 2.0A External power supply: 4pin power can be accessed to provide more power Operating System: Support Win7 / WIN8 / WIN8.1 / WIN10 operating system Support slot: PCI-E 4X, PCI-E 8X, PCI-E16X Package Includes: 1x adapter card 1x CD