User`s guide

Chapter XIV. WD Sniffing and Tracing
Chelsio T5/T4 Unified Wire For Linux Page 199
Schematic diagram of T4 sniffer and tracer
1.1. Hardware Requirements
1.1.1. Supported Adapters
The following are the currently shipping Chelsio Adapters that are compatible with the tools:
T420-CR
T440-CR
T422-CR
T404-BT
T420-BCH