fan running 24/7. should I care?

[hfinlay10]

Hi,

my power supply fan continues to run when system is in Standby, and so is always on. Is this a problem?

[Deagle]

Most power supplies and fans are rated for 100,000 hours MTBF(mean time before failure). If you do the math it should run 24/7 for about 11 something years before you see sign of failure. :eek: But remember, that's just purely mathematical calculations, you'd to take in consideration many other factors as well. :rolleyes:

[hfinlay10]

Hmmm... 11 years should be just about enough!

What other factors need to be considered, apart from the obvious one of the cost, which I assume would be v minimal?

[Sylvander]

I wonder what kind of lubrication is supplied in the bearings of these fans?
If it's a liquid does it tend to dry up?
Or do they use dry lubrication [graphite]?
Or PTFE liners?