StarTech.com 10m Active DisplayPort Cable - DP to DP M-M C8S75A-AO The device server integrates two

The device server integrates two RS232 ports into a rugged metal housing with an extended operating temperature range

but you don't have enough room for a separate mouse

With PoE Port

Surface Pro 4 and Surface Book and is backed by a 3-year StarTech

StarTech.com 10m Active DisplayPort Cable - DP to DP M-M C8S75A-AO The device server integrates twoThe DISPL10MA 10m Active DisplayPort Cable features a built in active signal booster for a connection distance of up to 30 feet (10m) between your DisplayPort enabled devices almost double the DisplayPort connection distance limitation of 16ft, with no signal loss. This durable yet lightweight active DP cable features a thinner 32 AWG wire construction that allows for a more flexible installation with minimal clutter. Plus, the cable features built in