Dell Poweredge Manual Fan Control ESXI 6.7

Here’s how you can manually control the fan speed on your Poweredge R320/420/620 from the ESXI CLI.

1. Download the ipmitools file which is compatible for ESXI up to 6.7 and upload it to your host. (credits to fatty lewis)



2. Upload it to your host via WINSCP or SCP CLI

scp ipmitools [email protected]:/

3. SSH into your host

[email protected]

4. Make the file executable

chmod +x ipmitools

5. Enable manual fan control

./ipmitool raw 0x30 0x30 0x01 0x00

6. Set fan speed to desired values below

Set fan speed 20%

./ipmitool raw 0x30 0x30 0x02 0xff 0x14

Set fan speed 25%

./ipmitool raw 0x30 0x30 0x02 0xff 0x19

Set fan speed 30%

./ipmitool raw 0x30 0x30 0x02 0xff 0x1e

These commands are not persistent across a reboot.