lsusb - furmark gputest
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 046d:c050 Logitech, Inc. RX 250 Optical Mouse
Bus 003 Device 003: ID 1058:1021 Western Digital Technologies, Inc. Elements 2TB
Bus 003 Device 002: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub