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Why Use an External Drive?  

The base M4 Mac Mini only has 256GB of internal storage, which is insufficient for heavy workloads like video editing.  
Upgrading internal storage via Apple is expensive, while an external SSD (like the OWC Thunderbolt 4) offers faster speeds and more capacity for less money.  



How It Works (Home Folder Method)  

Instead of booting entirely from the external drive (which risks system failure if the drive disconnects), Jeff recommends moving only the Home folder to the external drive.  
This keeps system files on the internal drive while storing apps, documents, and user data externally, freeing up space.  



Recommended Drive: OWC Thunderbolt 4  

Faster speeds (~3,000 MB/s read/write) than the Mac Mini’s internal SSD.  
Built-in heat sink prevents overheating, unlike budget drives like the Samsung T7.  
More cost-effective than upgrading Apple’s internal storage.  



Drives to Avoid (Samsung T7 & Others)  

The Samsung T7 is too slow (~70% slower than OWC) and overheats when used as a main drive.  
Not reliable for 24/7 use—Jeff strongly advises against it for this purpose.  



Safety Tips  

Create a secondary admin account on the internal drive in case the external drive fails.  
Avoid full external booting—it’s risky and unnecessary since the Home folder method is safer.  



Final Thoughts  

The M4 Mac Mini is a great value ($599), but external storage is essential for serious work.  
The OWC Thunderbolt 4 drive is the best solution for speed, reliability, and expandability.