Earlier quoted context omitted.
A 1 TB NVME SSD is like $40 retail these days.
He said external TB SSDs not USB SSDs. Check how much those cost. TB SSD of 4TB is like $1000.
Hold on a sec. I said enclosure such as
https://www.amazon.com/USB4-Enclosure-40Gbps-Compatible-Thun...
Then you can put whatever nvme ssd you want. It'll most likely cost around $500 at most.