https://www.youtube.com/watch?v=MucGkPUMjNo
The best solution for 2024 is:
Search engine name:
HP ProDesk 405A “HP ProDesk” series
Intel i5-6500 + MSI Z710i Gaming = 5,3W Intel i5-6500 + MSI Z710 Krait = 24W
E3 1220L V2 (17W TDP) + HP MicroServer Gen 8 HP MicroServer Gen8 E3-1220L V2