Bought a used HPE Proliant DL20 Gen9. Phone is picking up fans louder then they are but with door closed it's bearable. Ordered HPE 1.2TB drives so thermal sensor doesn't cause fan
HPE ProLiant DL20 Gen9 review | IT PRO
HP Proliant DL20 Gen9 G9 1x4, 1 x E3-1240L v5 2.1GHz Quad-Core, 16GB | eBay
Amazon.com: Hpe 823562-B21 ProLiant DL20 Gen9 Server, 8 GB RAM, No HDD, Black : Electronics