The iPhone 15 Pro has USB 3 port, but it comes with a USB 2 cable, not the USB 3 cable needed to achieve the fastest 10Gbps transfer speeds. To get faster speeds, consumers will need to buy the iPhone 15 Pro models, which come with a USB 3 port, and offer support for up to 10Gbps data transfer rates. If you click an affiliate link and buy a product or service, we may be paid a fee by that merchant