The seller may ship to the US if you ask him. eBay's global shipping is zero effort for sellers, and you'd probably get to take the 20% UK VAT off the price too.too bad they dont ship to the US. 3 of these would completely replace my Freenas box.
They probably need to be formatted from 520b to 512b, but i'm not sure if that is the case with nvme drives. I know sas drives needed to be reformatted.