No, the Surface Pro 7 cannot support standard external GPUs, because its USB-C 3.1 Gen 2 port caps out at 10 Gbps, far below the Thunderbolt 3 requirement.
An external graphics processing unit (eGPU) is a standalone enclosure that houses a desktop-class graphics card and connects to a computer via a high-bandwidth interface, typically Thunderbolt 3, to boost graphical performance beyond what an internal GPU can deliver.
External graphics enclosures require Thunderbolt 3’s 40 Gbps bandwidth to transfer large volumes of graphics data quickly and reliably. Without that interface, performance bottlenecks arise and connections can become unstable.
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