I have a thermalright ultra extreme 120 on my 1055t It has an apache 120 PWM fan on the push side.
I have several antec 3 speed fans bought from OCUK when they were on offer at 98p each (with free postage). As an experiment, I have cable tied one of these to the reverse of the TRUE.
The apache only fires up above 30C then runs at 10% up to 35C so often is hardly turning. The antec is constant on low setting and so is barely audible.
I noticed a peak temperature reduction of 5C with the antec on low and have not really looked at a higher setting as it gets noisier. This was a cheap cooling upgrade costing less than a £1 for realistic improvements.
I have several antec 3 speed fans bought from OCUK when they were on offer at 98p each (with free postage). As an experiment, I have cable tied one of these to the reverse of the TRUE.
The apache only fires up above 30C then runs at 10% up to 35C so often is hardly turning. The antec is constant on low setting and so is barely audible.
I noticed a peak temperature reduction of 5C with the antec on low and have not really looked at a higher setting as it gets noisier. This was a cheap cooling upgrade costing less than a £1 for realistic improvements.