Frank Denneman of frankdenneman.nl comments:

A little bit over a year ago I decide to update my lab and build two servers. My old lab had plenty of compute power, however they were lacking bandwidth, 3 Gbit/s SATA and 1 Gb network bandwidth. I turned to one of the masters of building a home lab, Erik Bussink, and we thought that the following configuration was sufficient to handle my needs.

Frank seems to have a server sprawl issue like a lot of the rest of us do at home. So many things to test and the need for more equipment to test with!

Read more at: When your Home Lab turns into a Home DC