I have this XP SP2 Pro machine which always exhibit this behavior. Whenever I connect any external USB drive or flash drives, the computer freezes for a few minutes and after a while it says that the ...

External hard drives back up your most important files, but what happens when they malfunction? Here's what to do if your device is not detected by Windows or macOS.

If the drive is connected via internal SATA, then it's more the drive speed than the computer, so you'd be back to two-ish hours, depending on the drive. I'm assuming a write speed of about 150 ...