In Figure 8, you can see an overall look inside the reviewed case, while in Figure 9 you can see the rear 120 mm fan, which has a three-speed controller, and in Figure 10 the place where you can install an additional 80 mm fan below the hard disk drive bays (this fan is optional and doesn’t come with the case; if you decide to install one, it must be installed blowing air from outside to inside).

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Figure 8: Inside Antec NSK4480.

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Figure 9: Rear 120 mm fan and its speed switch.

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Figure 10: Place for installing an additional 80 mm fan below the hard disk drive bays.

As we mentioned before this case has three internal 3 ½” bays for hard disk drives. What is different here is that these bays have rubber rings on the holes where the screws are inserted to fasten the hard drives to the case. The goal of these rings is to work as little shock absorbers, preventing the vibration produced by the hard disk drives (as they are constantly spinning) from propagating to the metallic frame of the case, thus reducing the noise level. This feature is normally found only on high-end cases.

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Figure 11: Rubber rings.