Lenovo thinkpad pro dock 40a10090eu
Laptop docking station external interfaces lan rj45 usb 20 audio out audio in kensington lock slot usb 30 video outputs displayport 1x dvi 1x vga usb 20 ports 3 usb 30 ports 3 lan standard gigabit ethernet 101001000 mbits compatible with lenovo thinkpad l440 lenovo thinkpad l540 lenovo thinkpad t440 lenovo thinkpad t440p lenovo thinkpad t440s lenovo thinkpad t540p lenovo thinkpad x240