Lenovo ThinkPad USB4 Smart Dock 5500, Wired, USB4, 65 W, 1000 Mbit/s, Black, Eclipse Black Lenovo ThinkPad USB4 Smart Dock 5500. Connectivity technology: Wired, Host interface: USB4, USB Power Delivery up to: 65 W. Ethernet LAN data rates: 1000 Mbit/s. Product color: Black, Color name: Eclipse Black, Maximum digital resolution: 3840 x 2160 pixels. Power source type: AC, Power supply: 100 W. Width: 8.58" (218 mm), Depth: 3.15" (80 mm), Height: 1.24" (31.5 mm)