lsusb - ram_speed_test_complete
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 002: ID 048d:1336 Integrated Technology Express, Inc. SD/MMC Cardreader
Bus 003 Device 004: ID 046a:0023 Cherry GmbH CyMotion Master Linux Keyboard G230
Bus 003 Device 006: ID 152e:1640 LG (HLDS)
Bus 003 Device 005: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 003 Device 003: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub