Though this is a common way to differentiate the two, not all laptops or products coat their USB 3.0 ports or connectors in blue. Look out for an "SS" logo or symbol — this stands for ...

If you don't see one, it's the slowest USB 3.2 type. If you see "SuperSpeed+" and a 10 or a 20, that's the promise of 10 Gbps or 20 Gbps transfers. As seen in the image below, the SS and 10 denote ...