Part Number 4X21U28835 The ThinkPad Mobile Workstation 180W USB-C GaN Slim AC Adapter is the new powerful GaN adapter with slim and compact design. It is your perfect replacement or spare power adapter for your PCs and provides excellent charging speed. Top Features AC adapter & Line cord: 3pin; 140W wattage power supply; Smaller profile and wight thanks to GaN technology: 1.0m power cord length; Compatible with Workstation Machines with USB-C power plug