And you need specific controller chips in the cable to support PD. Different protocols have different licencing requirements, so not every cable supports Thunderbolt. Some laptops have one USB-C port that supports the PD (Power Delivery) standard and one that doesn't, because that way you can use a cheaper controller chip and only have to route the power down one path on the motherboard. The best Surface PCs (that are Windows 11-ready).Here's why we are dreading upgrading them Six reasons I'm replacing my Surface Pro 7 with a Surface Pro 8.
