Chia full node - database sync takes how many writes?!

I sync a full node from scratch and benchmark the time, amount of disk writes and required performance to get to the bottom of the minimum storage requirement for running a Chia full node.

System config
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: H370 HD3-CF
Intel(R) Core(TM) i5-9400 CPU
8GB DDR4 (2x4GB @ 2666 MT/s)
480GB Intel 540 Series SATA SSD
Total farmer cost ($270)

Results
1491.226067 GB written to drive via SMART
13.4MB/s write average, 1480 IOPS
average block size 8k writes
peak 35MB/s (15s ave window), 4050 IOPS

Total sync time: 30.6 hours
Total database size 38708080640 Bytes (37GiB)