Is it cheaper to scratch-build a PC with a PCIe x16 slot that get 100% out of a GPU ... and all-round useful as Thunderbolt. No wonder that it's still a rarity as an external I/O port in PCs ...

and an external GPU gives you that power in an instant. While external GPUs do require Thunderbolt 4 or USB4 support, these ports are becoming more and more common, which means that a lot of ...