Go to here,
https://ark.intel.com/content/www/us/en/ark/products/65520/intel-core-i53570k-processor-6m-cache-up-to-3-80-ghz.html
and scroll down to
TDP 77 W
and see that the i5 3570k is rather power hungry for a fileserver.
Go to here,
https://ark.intel.com/content/www/us/en/ark/products/197304/intel-pentium-silver-j5040-processor-4m-cache-up-to-3-20-ghz.html
and scroll down to
TDP 10 W
That’s more reasonable for a server.
Go to here
and consider a less power hungry setup for your server which should meet your server needs.
Just something to think about.
Pudge