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Corsair Obsidian 800D
Huge case with good features
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Obsidian 800D - External views continued
On the roof there are three mounting holes for 120 mm fans. Now one may wonder why make only 120 mm holes
as the roof could easily take fans up to 200 mm in diameter, but this was made in order to make room for a
triple-120 mm radiators. On the other hand, there would also be room for four 120 mm fan holes and even
larger, if a bit more rare, 480-sized rads, but such would already partially intrude into the 5,25. cage and
apparently Corsair didn't want this to happen.
Being such an enormous case, there's also lots of space on the rear panel and the ATX-backplate actually
seems kinda small. Starting from the top there's first the two buttons for removing the side panels, and some
ventilation mesh in between. Below that there are two holes for water cooling hoses and the only 140 mm
exhaust fan of the whole case. Then the regular ATX-backplate with seven expansion card slots.
Now with some huge cases we've seen there actually being eight PCI-card slots, but Corsair has instead chosen
to add some ventilation grill where the eight slot would be. This extra space may come handy if a dual-slot
graphic card is installed to the bottom-most PCI-e-slot of the motherboard. At the very bottom there's the
mounting hole for an ATX-power supply, and under the case, between the feet, one can see the tab of the
removable dust filter. Along the left side there's also some ventilation holes that actually act as exhaust
for the HDD-cooling.
On the bottom of the case there are three very sturdy feet that nicely match the style of the case. Beside
the front panel these are the only aluminum parts of the case. Partially hidden under the feet is a large
dust filter, and while dust filters are always a nice feature, this is unfortunately also the only real
downside of the case. The filter is removed by pulling it straight out the back, and being so long, it
requires a lot of free space behind the case. It would be better if the filter would be accessible from the
front, or if it was more flexible and would thus be easier to remove in confined space.
Comparison - Obsidian 800D vs. Silverstone Fortress FT01
To finish off the external looks, here's a size comparison between the Obsidian 800D and Silverstone
Fortress FT01. The Fortress is a pretty large mid-tower case, so the 800D really is big, it's so big actually
that it quite simply may not fit on or under your desk - better measure before buying ;) It's also pretty
wide, and so the overall volume of the case is 85 liters, while the Fortress' is "only" 52 liters.
In fact it's so tall that when placed under my regular work desk, the roof vents would clear the underside
of the desk by just a few centimeters, which obviously isn't going to help the cooling if there are fans on
the roof.
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