Pretty high if you want to have storage separate from your compute (for example, editing video on one computer while storing the raw footage on a NAS, which is

Pretty high if you want to have storage separate from your compute (for example, editing video on one computer while storing the raw footage on a NAS, which is one of my use cases). A single average consumer SSD can already deliver 30gbit/s, and having a few "prosumer" drives like the WD Black SN850 in raid can deliver 100gbit and cost under a hundred each.