HydraUSB3 V1 is an open source developer kit for the WCH CH569 MCU to experiment with streaming / high-speed protocols like HSPI and SerDes through USB3.
You can Buy HydraUSB3 Online: http://hydrabus.com/buy-online
For more details on HydraUSB3 v1 (first version is V1 R1) the schematic is available in PDF see https://github.com/hydrausb3/hydrausb3_hw/blob/main/HydraUSB3_V1R1_schematic.pdf
Wiki Getting Started: https://github.com/hydrausb3/hydrausb3_fw/wiki/Getting-Started-with-HydraUSB3
Wiki for HydraUSB3 test firmware / examples / libraries: https://github.com/hydrausb3/hydrausb3_fw/wiki
See https://github.com/hydrausb3/hydrausb3_fw
To build HydraUSB3 test firmware examples see instructions here: