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The Obsidian 800D was Corsair's inaugural case product but unlike other companies who tend to have teething issues on their first outing in a new market, the 800D was and continues to be one of the best cases around. Corsair has since introduced other cases into the market and just a few short years after the launch of the 800D, they now have cases in virtually every price segment, all which adhere to the same quality standard set by the 800D.
The latest case in the Obsidian series is the 550D which has all the family traits, but is carefully engineered for noise reduction and sound isolation. Corsair achieves this by including sound dampening pads on the sides and front panel of the chassis to actively absorb the noise being produced by the internal fans. The 550D also has a robust feature set, plenty of room for expansion and all the flexibility of the other cases in the Obsidian series.
The 550D sits between Corsair's 500R and 600T in the manufacturer's case hierarchy. This means it might not have quite the same features as the 800D, but it certainly benefits from a more palatable MSRP of just $159.

| Specifications | |
|
Warranty |
2 years |
| Dimension | 20.9” x 8.7” x 19.5” |
| MB Support | ATX / mATX |
|
Expansion Slots |
8 |
|
Material |
Steel structure with black brushed aluminum faceplate |
|
Drive Bays |
(x4) 5.25”, (x6) 3.5”/2.5” Drive Caddies |
|
Colling |
(x2) 200mm Fans, (x1) 120mm Fans |
|
I/O Panel |
(x2) USB 3.0, (x1) Headphone, (x1) Mic |
|
Power Supply |
ATX (Not included) |
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Cable management looks like a breeze to... problem I had was cable length, plus the fact I couldn't really figure out which way to thread cables through the case.
Are the case testing temperatures in °c or °f?
Not sure what the relative temps of the 2600k is, but it seems to perform well, and looks like a nice case. Some people may call it boring but I like boring, sleek cases. Can't stand unnessecary features.
do the sound absorbing mats cover the entire case from the inside? im not sure i read anything specifying that.
still, not something id go for. the simplistic look might work for some, but not for me. and of course, heating issues.
The MB standoffs are copper (a most excellent conductor of electricity) - so why are they covered in black paint? Everything is covered in black paint, including the inner threads, and you can see it flaking off in the screw bags. The MB screws are ugly little things, and all black painted too. Call me old fashioned, but what about static?? ASUS puts blobs of metal around the MB screw holes just so that the motherboard gets a good earth connection. Not much hope with all that paint in the way. Also, there's no convenient bit of bare metal to clip your anti-static lead on to in case of needing to do work on the computer.
The standoffs are smaller than standard I think. This opinion is endorsed by noticing that the connections on my ASUS motherboard are jammed to one side of the I/O shield.
It could be that this case is a bit of a triumph of style over function. My system seems to be running well though. Cool. With sleek black case. There's no speaker in the case though - so you don't get MB start-up/error bleeps. I think my old Acousticase was quieter, better built, and much cheaper, but not so suitable for running a big rig.