USB‑C was launched to unify charging, data, and video into one plug, but the reality is far from uniform.

The latest USB4 spec can push 80 Gbps, letting users move 100 GB in just over ten seconds. Yet most devices still ship with older lanes. Apple’s $600‑priced MacBook Neo illustrates this gap: it offers a USB 2.0 port at 480 Mbps and a USB 3.2 Gen 2 port at 10 Gbps, both hidden behind identical USB‑C sockets.

To avoid surprises, buyers should look for USB‑IF labels such as "USB 80Gbps 240W". When labels are missing, Windows device manager or a high‑speed SSD test can reveal the true generation. Cables that lack Alt Mode will fail to output video, so a quick monitor test also flags the fastest ports.

Consumers face a fragmented market where a single connector masks a range of performance tiers. For manufacturers, the lack of mandatory certification lets them trim costs by shipping slower lanes. The result is a market where knowledge, not the connector shape, determines real speed.