Disk Pro 2: 6-Port Cooling Hub for Smartphones
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Meet the Disk Pro 2: a 6-port hub that attaches to the back of your phone magnetically. It comes with a swappable SSD and 12000 RPM cooling fan by 30C. This hub has USB-C 3.2 ports as well as a SD and microSD card slot. Up to 8TB SSDs are supported. Disk Pro 2 features a detachable lanyard cable. It is about the size of a credit card, so you can easily fit it in your pocket.

Disk Pro 2 is designed to keep your storage drive from throttling. Its fan has off, auto, and turbo modes. As far as storage, you can use 2280/2242/2230 SSDs. You will be able to use something like this for long ProRes recording. The device is compatible with Windows, Mac, Win, and Android devices. You can find this project on Kickstarter.
[where to get it]