https://www.dell.com/community/Rack-Servers/R720-fan-speed/m-p/7479915#M5959 https://back2basics.io/2020/05/reduce-the-fan-noise-of-the-dell-r720xd-plus-other-12th-gen-servers-with-ipmi/ https://www.dell.com/community/Systems-Management-General/Dell-PowerEdge-fan-speed-change-fanspeed-offset/td-p/5187784 https://www.reddit.com/r/homelab/comments/bgx03j/solved_dell_r720xd_fan_speed_issues_no_script/ https://www.reddit.com/r/homelab/comments/79lyo5/r710_and_probably_other_11th_gen_dell_servers_fan/ https://www.reddit.com/r/homelab/comments/7xqb11/dell_fan_noise_control_silence_your_poweredge/ https://www.reddit.com/r/homelab/comments/axl46e/dell_r720xd_fan_speeds/ https://www.brentozar.com/archive/2010/01/how-to-make-a-dell-poweredge-quieter/ https://github.com/brezlord/iDRAC7_fan_control