Lenovo Mini Dock 3 Type 4337 Docking Station

Compatible ThinkPad Models
L Series: L412, L420, L430, L512, L520, L530
T Series: T400s, T410, T410i, T410s, T410si, T420, T420i, T420s, T420si, T430, T430i, T430s, T430si, T510, T510i, T520 (Dual-Core models only), T530, T530i
X Series: X220, X230, X230i
Features of the Dock
Six USB 2.0 ports
One VGA port
One DVI-D port
One DisplayPort
One RJ-45 Ethernet port
Audio ports (microphone in and headphone out)
Integrated key lock and cable lock slot for physical security