Antec P180: A Visual Tour

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As mentioned, the PSU is positioned at the bottom of the case, rather than the top. Note the space and vent grill all around the PSU. The rectangular vent beside the expansion slot covers is for the VGA air duct. A protective grill fits over the top mounted 120mm fan.

Protective grill over top mounted 120mm fan.


The main body panels are among the most unusual aspects of the P180. They are a multi-ply composite of aluminum, plastic and aluminum. This type of panel were first used in the SFF Antec Aria case. Thumbscrews secure the right side panel; plain screws hold the other side.

Raised pattern on inside aluminum skin increases rigidity.

When these composite panels are tapped with the knuckles, they make a non-resonant thud type of sound rather than the common clang, clack or clatter of steel or aluminum panels. It is the main reason for using these panels: The intrinsic self-damped quality of the composite panels ensures that they do not contribute any additional noise by vibrating in sympathy with moving parts in the case — fans and hard drives. Panel resonances excited by component vibrations represent an insidious source of lower frequency noise that is usually ignored by manufacturers; its absence can be very noticeable in a quiet system. There will still be some benefit to applying acoustic damping material to the inside of the case — it can absorb some of the noise inside the case and reduce the air cavity resonance common to any enclosure.

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