On Figures 6 and 7 you can have an overall look inside Antec Nine Hundred case. As we mentioned before, the power supply is installed on the bottom of the case, not on its top.

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Figure 6: Inside Antec Nine Hundred case.

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Figure 7: Inside Antec Nine Hundred case.
You can adjust the speed of each fan that comes with this case at three levels, low, medium and high. Each fan comes with a switch attached, shown on Figure 8.

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Figure 8: Fan speed control switch.
If you think you need even more cooling, you can add two extra 120-mm fans. One of them can be installed on the side of the case, as its side panel comes with a place for this fan to be installed. This fan can be used to cool down your video cards.

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Figure 9: You can add a side fan on the side panel.
You can add a second extra fan at the end of one of the hard disk drive cages, as we will show on next page.