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it's an M1 with 16 GB RAM I guess. You have at least a 256GB SSD internal Hard Drive.

The 4 TB Hard-Drive you're speaking about - you plug it in your Mac with a cable, right? Is the plug large and rectangular or smaller with rounded edges?

You can try to follow Apples suggestion on optimizing your storage:


Do this "Choose Apple menu  > System Settings, click General in the sidebar, then click Storage on the right" and tell us how much space is available and how much is used. It should look like this:
View attachment 2183206So
46 or 245 used
 
it's an M1 with 16 GB RAM I guess. You have at least a 256GB SSD internal Hard Drive.

The 4 TB Hard-Drive you're speaking about - you plug it in your Mac with a cable, right? Is the plug large and rectangular or smaller with rounded edges?

You can try to follow Apples suggestion on optimizing your storage:


Do this "Choose Apple menu  > System Settings, click General in the sidebar, then click Storage on the right" and tell us how much space is available and how much is used. It should look like this:
View attachment 2183206So
45 of 245 used
 
Your problem apparently isn't lack of space on the internal Hard Drive. Your internal Hard Drive is barely 20% full.

What gave you the idea that you need an external Hard Disk? You told us your system freezes up. What are you doing / what's happening just before it freezes/slows down?
 
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