GoKawiilApple's USB-C ports vary widely despite identical connectors, explainer clarifies
USB-C refers only to the physical connector shape, not a specific speed or charging capability, while Thunderbolt is a separate standard that happens to use the same USB-C connector on modern Macs. As a result, Mac models differ sharply: a MacBook Air-type machine may offer a 480 Mbps USB 2 port alongside a 10 Gbps USB 3 port, whereas the MacBook Pro M4 Pro includes Thunderbolt 5 ports capable of up to 120 Gbps.
GoKawiil's interpretation of the reporting above, not reported fact.
Because Thunderbolt and USB-C ports look identical, buyers could easily assume all USB-C ports on a Mac perform the same, when actual data speeds, display support and compatibility can differ enormously between models. This distinction matters for anyone choosing accessories, docks or external displays, since a cable or device that works at full speed on one Mac's port may be bottlenecked on another.
- USB-C describes only the connector shape, not a speed or power standard.
- Thunderbolt uses the USB-C connector but can deliver vastly higher speeds, up to 120 Gbps in Thunderbolt 5.
- Identical-looking ports across Mac models can have very different speeds, display support, and capabilities.
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See CalDigit TS4 Thunderbolt 4 Dock on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: engadget.com — Isaac Egbon, 2026-10-03
Published there as: “How Apple's Thunderbolt ports are different from USB-C”
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