About vt2025

vt2025 · 11-28-2025

I have purchased a Cisco UCS C240 M5 server for our office, but due to the extreme noise we have stopped using it.I have already set the “Fan Policy” to Low Power, but it has not made any difference.What could be the reason for the fans running at su...

vt2025 · 12-05-2025

Hi Steven and everyone,I wanted to update this thread with the final solution. The issue has been resolved!After checking the Air Baffle, Riser Cages, and Firmware logs as suggested, we discovered the root cause was actually the storage drives. We we...

vt2025 · 12-03-2025

I have set the ‘Fan Policy’ to ‘Acoustic’ (see the image), but the fan speed remains the same.

vt2025 · 12-02-2025

This model has only six fans (see the image). I think some servers in this series may have seven fans.

vt2025 · 12-02-2025

Today I updated the firmware from version 4.0(4b) to 4.3(2.250045), but the fan noise issue still persists (see attached image). There has been no change in fan speed after the update.However, after the firmware upgrade, the CIMC started reporting tw...

vt2025 · 11-30-2025

Post:We purchased a Cisco UCS C240 M5 server in January 2025, but we have not been able to use it because of the extremely loud fan noise. All six fans constantly run at 17–18K RPM, making the server unusable in an office environment.By default, the ...

Member Since	‎11-28-2025 10:05 AM
Date Last Visited	‎11-28-2025 12:32 PM
Posts	8
Total Helpful Votes Received	3

User Statistics

User Activity

Cisco UCS C240 M5 Extremely Noisy – All Six Fans Running at 17RPMs

Re: Cisco UCS C240 M5 Extremely Noisy – All Six Fans Running at 17RPMs

Re: Cisco UCS C240 M5 Extremely Noisy – All Six Fans Running at 17RPMs

Re: Cisco UCS C240 M5 Extremely Noisy – All Six Fans Running at 17RPMs

Re: Cisco UCS C240 M5 Extremely Noisy – All Six Fans Running at 17RPMs

Re: Cisco UCS C240 M5 Extremely Noisy – All Six Fans Running at 17RPMs