If the drives are good, maybe. If not, you are looking at buying 4 drives from their compatibility list.
Do you already have a storage server? I'm running TrueNAS on a computer I retired a few years ago. I have 4 1TB drives in it and am about to install a used SAS card I got from eBay for $40 to add up to 6 more. It should give me 8tb of space.