https://community.hpe.com/t5/proliant-servers-ml-dl-sl/problem-server-ml350e-gen8-08-hd-max-sensor-failed/m-p/6162965#M137795 the new P420 firmware will clock down the raid controller cpu with 8 drives or less to solve the heat issue. Performance will drop down of course.<BR /><BR />Make sure all drive blanks are filled.<BR /><BR />P420 runs too hot due to insufficient airflow and poor heatsink/thermal paste.<BR /><BR /> Thu, 08 Aug 2013 03:30:16 GMT Sbrown 2013-08-08T03:30:16Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/problem-server-ml350e-gen8-08-hd-max-sensor-failed/m-p/6160483#M137749 <P>New server. Installed on the server windows SBS2011 essentials. 2 HDD in raid 1. There is not any PCI or PCIE cards. FAN speed 100%. TURBO Noise.<BR />Is responsible for what this sensor? where it is physically located?</P> Tue, 06 Aug 2013 13:56:47 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/problem-server-ml350e-gen8-08-hd-max-sensor-failed/m-p/6160483#M137749 hudoy 2013-08-06T13:56:47Z https://community.hpe.com/t5/proliant-servers-ml-dl-sl/problem-server-ml350e-gen8-08-hd-max-sensor-failed/m-p/6162965#M137795 the new P420 firmware will clock down the raid controller cpu with 8 drives or less to solve the heat issue. Performance will drop down of course.<BR /><BR />Make sure all drive blanks are filled.<BR /><BR />P420 runs too hot due to insufficient airflow and poor heatsink/thermal paste.<BR /><BR /> Thu, 08 Aug 2013 03:30:16 GMT https://community.hpe.com/t5/proliant-servers-ml-dl-sl/problem-server-ml350e-gen8-08-hd-max-sensor-failed/m-p/6162965#M137795 Sbrown 2013-08-08T03:30:16Z