The external Sapphire GearBox Thunderbolt 3 PCI-Express enclosure allows the GPU functionality and other PCI-Express devices to be upgraded. In this way, it increases the performance of laptops and Mini PCs and makes them future-proof. It is equipped with a lightning-fast 40Gbps Thunderbolt 3 (USB-C) connection interface that is compatible with a wide range of data types and can be used to charge a laptop with a Thunderbolt 3 configuration.