What I Found
A simple way to check whether your iPhone external SSD setup is giving you usable read and write speeds, and why the.
If you are using an external SSD with an iPhone 15 Pro or similar USB-C iPhone setup, the drive itself is only part of the story. The adapter, cable, and connection can all affect the speed you actually get.
The quick way to check your external drive speed is to use an app called Disk Test. Connect your drive, open the app, choose the connected drive, then run the read and write test.
What this video covers
- Why Test The Drive
- Using Disk Test
- What Speeds Are Good Enough
- The Adapter Matters
The short version
The quick way to check your external drive speed is to use an app called Disk Test. Connect your drive, open the app, choose the connected drive, then run the read and write test.
Links & Resources
Support
iPhone Support
Apple support for iPhone setup, iOS, repair, and troubleshooting.
Support
iPad Support
Apple support for iPad setup, iPadOS, repair, and troubleshooting.
Official
USB Type-C
USB-IF's official USB Type-C information.
Docs
USB-IF Document Library
USB-IF specifications and document library.
