Corsair Obsidian 550D Quiet Mid-Tower Case

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Assembling a system in the Obsidian 550D is straight forward. Our usual ATX case test system was used: An Asus 790GX motherboard with Phenom II X4 955 CPU, a ZEROtherm FZ120 heatsink with a Nexus 120 mm fan, a WD Caviar hard drive and a Cooler Master 700W modular power supply. (See full system details on the next page.)

The plastic hard drive trays are flexible, wrapping around drives without the need for screws. Both 3.5" and 2.5" models are supported.

The caddies don't lock into place as tightly as we would like, creating possible vibration issues.

By our measurements, the maximum CPU heatsink height is 17.9 cm but the release mechanism for the side panel sticks inward, possibly causing interference. With our system configuration there was only 4 mm of clearance above the 156 mm tall FZ120 cooler.

The Obsidian 550D is spacious for a noise conscious case as it has been designed to be equally suited for performance systems with high-end hardware and heavy duty cooling. By our measurements, graphics card clearance is 32.2 cm, though the top hard drive cage can be removed for a substantial increase to fit just about any video card ever made.

There were no issues with cable management, but the CPU heatsink cutout at back was a little lower than most cases.

There is little room behind the motherboard tray but most of the cables fall around it where the clearance is an adequate 20 mm.

Pleasant white LEDs indicate power and hard drive activity.

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