Corsair Obsidian 250D Mini-ITX Computer Case Review


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Closer Look: Interior

The top panel and both side panels are all separate; each is secured with two thumbscrews. Looking down into the case with the panels removed, we see the motherboard tray (with a large hole you’d expect in a tower case for access to a CPU cooler backplate, but it seems odd here since the motherboard tray can’t be removed and there’s no access to the back of it), as well as the removable tray for a 5.25″ device.


The left side of the case is completely open except for part of the power supply housing.


The right side of the case is the interesting part: although Corsair includes a single 120mm exhaust fan here, with space for another, you’re not going to use fans here. What this is really designed for is a mount for a 240mm radiator.


 If you were wondering about that odd little area to the left of the power supply at the rear of the case, the mystery is revealed: it’s where you insert your disk drives. Corsair includes two 3.5″ drive sleds and two 2.5″ drive sleds. Drives will snap into place without screws except if you use 2.5″ drives in the 3.5″ sleds, in which case you will need to use screws to attach the drive.


OK, it’s time to get down to business. Join me in the next section as I transplant my Hackintosh from its existing case into the Corsair Obsidian 250D


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  1. PowerHungry

    In this review, you mention that all the intake areas have filters. My question is, does the rear area that have openings for two 80 mm fans also have a magnetic filter?? If not, should that have been considered a negative?

  2. David Ramsey

    There are no filters for the two 80mm fan positions. This isn’t a negative since you normally mount exhaust fans in that position.

  3. PowerHungry

    I have yet to see “ONE” review where anyone mounted the 80 mm fans, most like you used the Corsair H100i for cooling.

    Corsair should have realized that most people would not mount the 80 mm fans and supplied a filter. Without a filter here, the other filters are almost useless, as you have a wide area for dust to enter.

  4. David Ramsey

    I wouldn’t say the other filters are “almost useless”, since the front fan will move a significant amount of air through its filter, as will the intake fan(s) for a GPU card. In fact there’s noticeable dust on both of these filters in my Hackintosh, which has been running in that case a couple of weeks now.

    Still, you have a valid point about air entering through the 80mm fan mounts. That said, I’m not sure how much of a problem it will be in my particular build, since I think any air coming through that part of the case will be sucked right into the radiator and sent back out. Right now the motherboard and radiator are not noticeably dusty, so perhaps it won’t be an issue.

    The fan mounts are easy enough to cover with duct tape if it really bothers you.

    FWIW, I can’t find any (i.e. “not in the first two pages of Google results”) other reviews using the H100i. AnandTech, Overclock3D, Guru3D, Bit-tech.net, Hexus, Legit Reviews, Overclocker’s Club, and tech report.com all used air coolers. In fact that only other review that I can find that used liquid cooling was HardOCP, and they used a 120mm radiator. So while some other site may have used an H100i, I’m pretty sure it’s not “most” of them.

  5. PowerHungry

    Point taken on the H100i, I should have said most reviews included, a liquid cooler and some used air as well. I stand corrected.

  6. ginko

    Ok, I know it’s been two years since this review, but owning this case, I will be glad to know which components were used in the 5.25″ case slot ?
    It seems to be a 5.25 rack with a slot for slim optical drive and 2.5″ rack ? Brand ? Model ? Thank you !

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