How to format EXT4 (or best format) and best hard drive?

[darwindesign]

@Jazzbouche

So is there any way to do a bulk transfer with quicker speeds? My mac won’t recognise ext4, so not sure how I can but 6TB from the old drive over to the new?

I have no personal experience but…

How to Mount and Access Ext4 Partition in Mac - Make Tech Easier