The iPhone 15 Pro and iPhone 15 Pro Max have long been rumored to adopt Thunderbolt transfer protocol enabled by the awaited switch to USB-C connectivity, and a new leak from Majin Bu on X purportedly offers a first look at a Thunderbolt-ready cable under testing that is poised to be included in the iPhone 15 Pro’s box.
According to Majin Bu, Apple has been actively testing a braided Thunderbolt-enabled USB-C cable that is set to be exclusively included with the iPhone 15 Pro and iPhone 15 Pro Max packaging. A few details of the alleged cable are also provided, including its appearance, length, power rating, transfer speeds, and external display support.
The all-black Thunderbolt cable in question allegedly measures just 70 centimeters in length, which would actually make it shorter than current Apple-made Lightning iPhone cables that stand at one meter. The reported length would also be less than half the length of what is expected of the colorful USB-C cables heading for the iPhone 15 and iPhone 15 Plus, anticipated to measure 1.5 meters.
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The braided cable has also been tested with a voltage meter, which confirms its support of USB 3.2/USB4 speeds of up to 20Gbps. The cable allegedly supports power delivery of up to 150 watts, and supports external monitor connections of 4K resolution at a 60Hz refresh rate.
Earlier today, Bu provided a technical hands-on look at colorful USB-C cables heading for the base iPhone 15 and iPhone 15 Plus models. Despite that cable bringing on welcomed additions such as an increased length and a braided construction, they are still limited at the archaic USB 2.0 standard with a maximum transfer speed of just 480 Mbps.
