However, not all monitors with a USB-C port can charge a power-hungry device such as a laptop – only those that support USB PD (Power Delivery) with proper wattage can! Having a USB-C monitor connected to a compatible device allows you to simultaneously transfer video, audio, data and charge that device with just one cable. Shop for the best USB-C Monitors for MacBook, MacBook Air and MacBook Pro. If you’ve been waiting to buy a cheapest USB-C monitor, we have a range of products below.