Corsair Obsidian 800D Chassis
Author: Shawn Knight
Editor: Zahn Funk
Date: 03-22-2010
Provided by: Corsair

As we saw on the previous page, the side panel is easily removed using the button on the back of the case. With the panel off, we get a good look at the inside which is a thing of beauty. I am big on cable management and the sight of multiple access holes with rubber grommets around the motherboard makes me giddy. The possibilities here are endless and I can't wait to get some hardware installed. (Note that I had already removed the fan and backplane covers in these pics by accident. I will get to those in just a few.)

Before the hardware install, however, let's check out the rest of the internals as the Obsidian is packing some really thoughtful features.

Here is a quick diagram I put together detailing the three different cooling zones Corsair has implemented. Zone 1 supplies fresh air from the bottom of the case up into the motherboard area via a 140mm cooling fan mounted on the separator between Zones 1 and 3. The power supply also rests in Zone 1 and if your PSU has a bottom intake fan, it is totally self-sufficient as it draws in cold air and immediately expels the warmed air out the back of the case.

Zone 2 is used to cool the hard drive bays. The four hot-swap drives are cooled using the supplied 140mm fan which draws air from Zone 1. Optionally the user can install a 120mm fan over the two bottom standard hard drive slots to keep additional drives cool. Air from both the hot-swap and standard hard drive areas is channeled behind the motherboard and expelled via the vertical cooling vents we saw on the previous page.

Zone 3 is the motherboard area and receives air from Zone 1. Warm air here is expelled via the 140mm exhaust fan and optionally up to three 120mm fans can be installed in the ceiling of the chassis for additional cooling.

Here we can see the rear 140mm exhaust fan with matching black power cable and connector. The add-in slot covers are held in place with thumbscrews and each is removable and reusable. The Obsidian supports ATX, mATX and EATX form factors.

Below the motherboard area is where the power supply is installed. This area of the case is sectioned off from the rest of the system as part of Corsair's zoned cooling system. Here we find two more liquid cooling tube holes with rubber grommets. This lower power supply bay is perfect for a pump or reservoir.

More just ahead.

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