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Home » Cooling
Which is the Best Place to Install a Case Fan? - Part 1
Author: Rafael Coelho 47,261 views
Type: Reviews Last Updated: January 23, 2012
Page: 3 of 4
Our Tests

We tested the effect of the case fan on the CPU core temperature in different configurations. First we tested with no case fan and the left panel open. Then we tested with no fan and the case closed.

The following tests were done with the case fan at the rear, top, front, and side panels, as shown in Figures 1, 2, 3, and 4. The case was closed for those tests.

Which is the best place to install a case fan?
click to enlarge
Figure 1: Fan at the rear panel

Which is the best place to install a case fan?
click to enlarge
Figure 2: Fan at the top panel

Which is the best place to install a case fan?
click to enlarge
Figure 3: Fan at the front panel

Which is the best place to install a case fan?
click to enlarge
Figure 4: Fan at the side panel

The following table shows our results.

TestRoom Temp. Core Temp. Difference
Open case245834
No fan246339
Rear fan245834
Top fan235734
Front fan235835
Side fan246137

The graph below shows the temperature difference between the CPU core temperature and the room temperature in each test.

Which is the best place to install a case fan?

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