lsusb - 8192 MB DDR3-1333MHz
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 045e:00dd Microsoft Corp. Comfort Curve Keyboard 2000 V1.0
Bus 001 Device 005: ID 2109:0810
Bus 001 Device 006: ID 2109:0810
Bus 003 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 004 Device 002: ID 2109:0810
Bus 004 Device 003: ID 2109:0810