Benchmark Restart Time in Windows 10 & 11 contains a Visual Basic Script to see how long it takes your computer to restart. It's fun, fast, and easy for any skill level. A full tutorial is available here.
Download 'Benchmark Restart Time in Windows 10 & 11' from MajorGeeks, and extract 'Benchmark Reboot Time.vbs.'
Close all running applications, and double-click on Benchmark Reboot Time.vbs.
A Command Prompt window will appear after the restart showing you your restart time.
ATTO Disk Benchmark is a freeware application that measures your storage system's performance with transfer sizes and test lengths for read and write speeds.