It depends on the use case. As with CPUs, I tend not to buy the top-end but it may make sense to just buy for expansion over time. I think my RAID-1 Synology dr

It depends on the use case. As with CPUs, I tend not to buy the top-end but it may make sense to just buy for expansion over time. I think my RAID-1 Synology drives are 8TB. But mostly just use external enclosures these days anyway. Pretty much don't build PCs any longer.