External graphics enclosures have become a popular way to enhance the gaming or computing performance of thin-and-light laptops and small-form-factor desktops. However, a crucial question is which interconnection technology is the best fit in terms of performance, as there are multiple eGFX options available with Thunderbolt 3/4, Thunderbolt 5, and OCuLink connectors. Try Some Tech has tested all of them and came to a somewhat expected conclusion: pure PCIe 4.0 connectivity makes more sense. However, Thunderbolt 4 and 5 are more common.
