In and Around the Corsair Obsidian 550D

From the get go, Corsair's Obsidian 500D exterior looks like it draws its lineage more from Fractal Design than from any of its predecessors at Corsair. Top to bottom, the whole enclosure is about clean lines and smooth surfaces.

The front of the 500D actually boasts one of my favorite features of the enclosure: the cut-out in the front door for the power and reset buttons and port cluster. It's a simple and elegant solution to one of the two persisting problems of cases that use front doors. The other problem? Depending on where your computer sits, the enclosure door may swing out the wrong way, and for this Corsair has another solution: the front door isn't just removable, but can also be swung out from either side. They achieve this by basically using small C-clasps on the four corners of the door, allowing it to snap shut on either side or swing open. It's a slick solution, but like many of the decisions Corsair made with the 550D it's something that I have concerns about in the long term.

When you do open or remove the front door you'll find the inside surfaces are almost entirely hard black plastic, and look unusually chintzy for Corsair. The aesthetic isn't necessarily bad and your mileage may certainly vary, but I couldn't help but feel like it looked a little bit cheap. If this were any other vendor I'd probably be more forgiving, but this is definitely a case that looks better with the door closed. You can also pop off the large panel beneath the drive bays to expose the two intake fans and their removable filters.

On the left side panel there's also a smaller inset removable panel; it doesn't just provide access to the filter for the underlying fan mounts, it also exposes the potential for mounting side fans to begin with. The filter seems to be affixed magnetically, while the removable inset panel has acoustic foam on its underside, giving the end user the option of engineering for silence or for performance. This is functionality I like to see; instead of having to explicitly choose between superior thermals or superior sound dampening, you can optimize the enclosure for your needs specifically. The top of the 550D has another panel just like this one that operates the same way.

Move to the back of the Corsair 550D and you see the usual tubing grommets along with eight expansion bays, but you'll also see one of the more unusual features of the 550D: the push-button side panel removal system. Corsair has been pretty good about making the side panels of their cases fairly easy to pop off, but there's always been a trade-off there and I can't help but feel like there's another one being made here too. The clamps used on models like the 600T were convenient but never felt completely secure, and the push-button release on the 550D has a similar problem. The side panels hinge at the bottom, and it feels like this design will be prone to developing vibration problems over time. We didn't have any problems with it in testing, but only time will tell if Corsair made the right call.

Opening the 550D returns us to very familiar territory with Corsair. If it wasn't for the acoustic foam padding inside the side panels and front door, the 550D might look like any other Corsair case, and that's not a bad thing. I've gone on record before as having said that the only way Corsair could make case assembly easier would be to ship a technician with every case, and the interior of the 550D has all the same smart design decisions of its predecessors along with a new one.

To save on enclosure width, only the area surrounding the motherboard tray (where cabling would go) has a substantial amount of clearance between it and the right side panel. This is actually a very elegant solution, as it creates specific conduits for cables to be routed in and through rather than just mashing everything up behind the motherboard tray and calling it a day. Other conveniences of the interior of the 550D include toolless clasps for the 5.25" drive bays that are actually very effective at keeping drives firmly in place and two completely removable drive cages with three drive sleds apiece, each sled supporting a 2.5" drive or a 3.5" drive. As a much appreciated improvement, the sleds themselves now allow you to either mount the 2.5" drive in the center of the sled or against the side to line up cabling.

Despite some generally clever design decisions and a lot of flexibility in how you can use the 550D, I can't help but have some concerns about its viability for long term use. The panels that hide the fan mounts on the front, side, and top all run the risk of developing the same kinds of vibration problems the top grate of my Graphite 600T developed over time, and that concern is exacerbated by how loose the push-button release mechanism causes the side panels to feel. I'm also not as impressed with the 550D's fit and finish as I am with some of the other Corsair enclosures I've tested; there's just something about the black matte plastic that looks a little bit cheaper than I've come to expect from them, but that's more a matter of personal taste.

Introducing the Corsair Obsidian 550D Assembling the Corsair Obsidian 550D
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  • cbgoding - Thursday, March 29, 2012 - link

    Why do reviewers throw a ton of voltage at a chip for a weak overclock? 1.38v is what I use to hit 4.9GHz. Just strikes me as weird.
  • Dustin Sklavos - Thursday, March 29, 2012 - link

    1. Stability.
    2. Ease of testing. For the case, whether or not the overclock itself is fast is irrelevant, we're just looking to see how it dissipates the heat.
  • compudaze - Thursday, March 29, 2012 - link

    Not all chips are created equal. I have had one 2600K that hit 4.8GHz on 1.32V while another took a whopping 1.48v to hit the same 4.8GHz. They call it the "silicon lottery" for a reason.
  • pdjblum - Thursday, March 29, 2012 - link

    There are still some of us who prefer aluminum to steel. What I am saying is that the material is as important to some of us as are the dimensions and other specs, so it would be great if it was also listed in an easy to find location.
  • Rasterman - Thursday, March 29, 2012 - link

    If you use quality fans at low speeds, there is no reason you need an isolation, dampening design to block noise, there simply is no noise. I went with a Lian Li AL case, short ATX, 2 unused 5.25 bays, it is absolutely silent at idle, plus it weighs less than 20# which makes moving it around a hell of a lot easier. Overclocked to 4.9GHz I don't need to ramp the fans for the CPU, I have a similar video card that does ramp though and it is by far the loudest thing at load, probably similar to this review.
  • Iketh - Friday, March 30, 2012 - link

    You've never had a computer running on hard floors then...
  • jabber - Friday, March 30, 2012 - link

    So some form of dampening material under the PC is required?

    Cork tiles or suchlike.

    I used to use a Mission Isoplat.
  • ssddaydream - Saturday, March 31, 2012 - link

    I respectfully ask that you don't preach cases being "absolutely silent" when indeed they are not. I have worked with many components that advertise extremely quiet when they actually have very irritating noise characteristics.
    Your computer may be silent to your ears, but other people may have more acute hearing.
    I have a "silent" computer- it uses absolutely no fans and it only uses an SSD (no conventional HDD). It, for all practical purposes, is silent. If you put your ear up to the power supply, you can barely hear the faint switching and other noise, which is measurable by my mic with RTA. In any case, I can't hear it when my ear is 5" or more from the PSU.
    A case with conventional HDDs and fans is never silent- only quiet. How quiet is a matter of the listener unless measurements are taken.
    I don't expect a detailed RTA analysis for case reviews, so I try to find the quietest gear available based on many people's reviews as well as professional reviews. Many sites that review case fans, etc, will post actual recorded noise so you can get an idea of the noise signature.
    Unfortunately, the more powerful the computer, the more noise. I relocated some of my machines into a different building where I use Remote Desktop / VNC to access them.
    Thanks Anandtech for bringing to light cases like this. I am all for acoustic and thermal comparisons and recommendations between any cases you guys have experience in.
  • haelio - Thursday, March 29, 2012 - link

    "In terms of thermal performance, it's tough to make a direct comparison to Corsair's other cases."

    No it's not, you get other cases, put the same hardware in it and then take measurements again.

    I've seen better case reviews by random purchasers on enthusiast forums. This was just a series of subjective opinions on the aesthetics and then a few graphs without any context, mention of the ambient temperatures or fan layout (presumably stock?).

    I expect more from a site like Anandtech. If this review popped up on CNET I wouldn't be complaining.

    For a better comparison of:

    CPU temps:
  • SilthDraeth - Thursday, March 29, 2012 - link

    I have to agree with the above poster. Though, I am guessing you guys do not keep review hardware around forever. However, it would make sense to have a pretty standard case review test suite with a standardized hardware setup. Presumebly something you know will get quite hot in a poorly designed case.

    Then just keep that stuff in house and when new cases come for review, you pop the stuff in and run the tests, then you can easily pull up your numbers for other cases and compare and contrast.

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