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Of the enclosures we've tested over the last three years, we have a few favorites. Some contain just a PCI-E graphics card, and some have additional connectivity. In short, an eGPU enclosure allows you to connect a powerful PCI-E graphics card to your Thunderbolt 3-equipped Mac in macOS High Sierra through macOS Mojave.


Given the refresh of the 13-inch MacBook Pro and the slight upgrade to the MacBook Air, we've revised the piece on July 12 to reflect that, and to refine data on a few choices. Editor's note: We ran this piece first in shortly after the 2018 MacBook Pro was announced.
