Features: 1.High Stability: The USB3.2 expansion card adopts the thickened immersion gold process, which makes the contact more reliable and the transmission more stable. 2.10Gbps Transmission: 2 ports expansion card transmission speed up to 10Gbps, stable transmission, and independent protection, overvoltage and overcurrent protection. 3.Independent Power Supply: 10Gbps expansion card is equipped with 2 independent power management modules, free of external power supply, the two interfaces work independently without interfering with each other, stable and reliable. 4.Dual Port: Small expansion card adopts advanced technology of low voltage power supply, supports USB3.2 dual port, supports up to USB3.2 Gen II 10Gbps, supports SATA power supply. 5.ASM3142 Main Control Chip: Expansion card adopts ASM3142 main control chip, thickened gold fingers, suitable for PCIE X4, X8, X16 slots, durable. specification:Item Type: USB3.2 Expansion Card Material: PCB Main Control Chip: ASM3142 Transmission Rate:10Gbps Expansion Interface:2 x USB3.2 Interface Bus Interface: Suitable for PCIE X4,X8,X16 Support System:For Winxp,for Win7,for Win8,for Win8.1,for Win10 Etc. PackageList:1 xUSB3.2ExpansionCard 1 x CD 1 x Short Bezel 2 x Screw