The Think Pad Mini Dock Plus Series 3 offers convenient, one-step connection to a rich array of peripheral devices. Its ideal for notebook users who have advanced computing requirements but demand a docking solution that is small & easy to use. Features Left corner alignment for easy system attachment Convenient eject button for one-step system removal Six USB (Universal Serial Bus) 2.0 ports 1 VGA monitor, 2 DVI, 2 Display Port (Note that the video controller allows for any two video ports to be used simultaneously) Audio ports: Analog microphone in, headphone out e-SATA storage connector RJ-45 Ethernet port Integrated key lock & cable lock slot for physical security