Maybe you can find some tips here:
https://forum.storj.io/t/new-storagenode-build-intel-n100/24861?u=snorkel
The N100 with 32GB RAM is overkill for storagenodes. You can find NAS type cases from many brands.
If you go building something new for Storj, take note that you need as much RAM as you can and SATA ports. These 2 are the main requirements. The third would be power draw.