Buy
https://www.tindie.com/products/tinydebian/usb-30-sniffer/
Product description
USB 3.0 Sniffer is to capture 3.0 packets, with the feature of controlling it remotely.
- It is an upgrade to our USB 1.x and 2.0 Sniffer - tinySniffer. The way to use USB 3.0 Sniffer is similar to our tinySniffer which link is below.
- It uses software solution and consists of 2 software parts: 1) pass through USB packets and 2) capture USB packets.
- Pass through USB packets is technically difficult.
- It is built on top of NanoPi R4SE.
- Note: for various reasons it must be online in order to capture USB packets.

There are 2 modes
- Configure mode. Without USB peripheral connected and power on USB 3.0 Sniffer.
- Capture mode. With USB peripheral connected.