Running with a 1700x 8 cores and 32GB of ram, a 1.13TB zfs pool built on 3 cheap ssd drives (2x sata, 1x nvme)
works great, but i think 64GB or even 48GB would be just right.
CPU is amazingly little in use, RAM is forced to run at 2666Mhz instead of 3200Mhz since upgrading to 32GB from 16GB...