Tuesday, May 24, 2011

Upgrading the fans for better airflow and silent operation

I bought three more fans for the PC, replacing the two Antec Tricool fans that came with the Antec 300 case + the Thermalright X-Silent fan that came with the Thermalright Mux-120 CPU cooler which was mounted on the side panel of the case as I installed a couple of Enermax T.B.Silence fans on the heatsink.

I experimented with the fan plan before I put the order for the new fans. I removed everything except the 4 Enermax T.B.Silence 120mm fans I already had.

1. One front in-take (the lower fan slot)

2. One read exhaust

3. One on the side panel pulling air in

4. One fan pulling air onto the CPU heatsink from the front

These are the temps of the CPU and Video card. (Ambient 24.7C)

idle with fewer fans

Figure 1: idle temps of CPU and GPU.

load with fewer fans

Figure 2: load temps of CPU and GPU, after playing Crysis 2 for about 10 minutes

I felt the temps were too much, so I placed the order for 1 140mm fan for the top of the case, one 120mm fan for the CPU heatsink as push-pull and another 120mm fan for the upper front intake slot. (it was pushing cool air straight to the video card from the front.)

So after installing the new fans, I measured the temperatures.

idle with all fans

Figure 1: idle temps of CPU and GPU.

load with full fans

Figure 2: load temps of CPU and GPU, after playing Crysis 2 for about 10 minutes

Few degrees off the CPU and GPU. Not a lot, but not too shabby either.

Besides, I have nothing to buy these days >_<

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