ASM3242 is a Universal Serial Bus xHCI host controller that bridges PCI Express to USB3.2 20Gbps, compliant with USB3.2 Specification Revision 1.0 and Intel eXtensible Host Controller Interface Specification Revision 1.1 It also supports backward compatibility with legacy USB functions and devices, is compatible with USB Attach SCSI Protocol 1.0, and supports debugport function of USB3.2 port ASM3242 also supports Multiple IN function, making full use of available bandwidth of USB3.2 Gen2 x2 bus to achieve full utilization of 20Gbps data rate ASM3242 supports one USB3.2 20Gbps port and performs trusted high-speed bandwidth through PCIe Gen3x4. It adopts advanced low-voltage power supply process, follows standard PCI Express/USB Link power management and advanced chip power management, effectively reducing total power consumption in idle/standby state Applications for the ASM3242 include motherboards, desktops, notebooks, workstations, servers, add-in cards, and PCI Express-based embedded platforms Main chipset:Asmedia/ASM3242 Bridge PCI Express to USB3.2 Integrated eXtensible Host Controller Compliant with eXtensible Host Controller Interface Specification Revision 1.1 Firmware upload via external SPI ROM External 20MHz differential crystal In-box driver support for Microsoft; Windows Support for various Linux kernels Colour:As Shown Material:PCB Package Contents: 1 * Expansion Card 1 * Low Profile Stand 1 * CD Driver