External GPU (eGPU) Guide: Turn Your Thin Laptop into a Gaming Rig

Want the portability of a thin business laptop, but need high-end gaming capabilities at home? An External GPU (eGPU) enclosure connected via Thunderbolt 3 or USB4 allows you to leverage desktop-class graphics power. We explain enclosure compatibility, PCIe lane bandwidth limits, driver configurations, and performance yields in 2026.