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Item#: N82E16811139033

Corsair Obsidian Series 250D (CC-9011047-WW) Black Aluminum / Steel Mini-ITX Tower Computer Case

  • Aluminum / Steel Mini-ITX Tower
  • USB 3.0, headphone, mic ports Front Ports
  • 1 External 5.25" Drive Bays
  • 2 x 3.5" ( 2.5"drives) Internal 3.5" Drive Bays
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Learn more about the Corsair 250D (CC-9011047-WW)


Obsidian Series
250D (CC-9011047-WW)


Mini-ITX Tower
Case Material
Aluminum / Steel
Motherboard Compatibility
With Side Panel Window


External 5.25" Drive Bays
Internal 3.5" Drive Bays
2 x 3.5" ( 2.5"drives)
Internal 2.5" Drive Bays

Front Ports

Front Ports
USB 3.0, headphone, mic ports

Cooling System

80mm Fans
Rear fans: dual 80mm
120mm Fans
Side fans: dual 120mm (AF120L 120mm included)
140mm Fans
Front fan: 140mm (AF140L 140mm included)

Physical Spec

13.8" x 10.9" x 11.4" (L x W x H)
9.7 lbs.


Aluminum front fascia and thick steel construction.

Overall dimensions 290mm (H) x 277mm (W) x 351mm (D)

Top window for component visibility.

Thumbscrew backplate removal for PSU and hard drive access.

Easily removed dust filters on all intakes.

Simultaneously fit two 3.5"/2.5" drives, two 2.5" drives, one 5.25" drive, a full sized PSU, a 290mm long GPU, and a 240mm radiator.

Front panel USB 3.0, headphone and mic ports, and power and reset buttons.

Innovative three panel removal for sides and top panel, with thumbscrews.

Front fan 200mm, 140mm, or 120mm compatible (AF140L 140mm included)

Side fans dual 120mm compatible (AF120L 120mm included)

Rear fans dual 80mm compatible

Tons of cable routing tie downs for easy cable maintenance.

Tool free installation of all drives.

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the Corsair 250D (CC-9011047-WW)

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  • Carlos L.
  • 7/22/2014 8:43:51 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Case

Pros: Removable filters. Fits a full length graphics card for a mini-itx case. Case is easy to get into, easy to route all the wires to maximize airflow. Awesome little case.

Cons: The case came damaged. I contacted corsair. They are awesome and sent me replacement parts right away.

Other Thoughts: This is a beauty of a little box.

Did you find this review helpful? Yes No

  • Daniel O.
  • 7/21/2014 2:35:37 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAM3+ BeWare!!

Pros: I love this case. I love the style. I love the form factor. I love the aesthetics. I love the layout and design. It will fit a full size graphics card. It will fit my Corsair H100i CPU cooler. A full size ATX PSU etc. There is no match for a gaming mini-ITX build unless....

Cons: THERE ARE NO MOTHERBOARDS FOR AMD SOCKET AM3+!!!!!! They don't exist. No one makes them and the AM3 socket don't have the upgrade software for AM3+. So anyone with an FX AMD processor is out of luck.

Other Thoughts: I grabbed this case because I love it so much and it was a great price. After I ordered it(about 4 days), I went to my local PC store to pick up a motherbaord so I could swap everything over from my ATX full tower case and I was hit with the news that NOPE! No mini-ITX motherboard for you! So that stinks. I did grab an LGA 1150 board for my Anniversary Pentium CPU and everything fit perfectly. But I want it for gaming. And while the Pentium overclocked is awesome. It's still only two cores with no hyperthread. So In order to use this case I will have to buy an i5 or better and I just can't afford it. So as much as it pains me... I have to RMA the case because of my stupidity... So just know that. Don't be like me. Choose the motherboard BEFORE you purchase your case.

Did you find this review helpful? Yes No

  • Stephen L.
  • 7/15/2014 11:39:43 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsIndeed a no compromises ITX case

Pros: 1) Looks as good as it can get with the cubic design
2) Can fit high end components, staying true to the no compromises slogan
3) Dust filters on the side differentiates this small-form-factor case from other cases in the category
4) Side vents for intake of fresh air is very logical

Cons: 1) Side doors can be difficult to fit back
2) The front fan intake does not make much sense as it blows much of the air onto the power supply and RAM which are components which are self-cooled or do not need much air.
3) The back upper corners are a bit sharp.
4) The included 140mm fan produces clicking noises at low RPM.
5) One of the pins for the tool-less SSD bay popped out, and I do not know how to put it back.
6) If you are good at cable management, you will notice that there is quite a bit of room at the front in between the power supply and the fan grill. I can understand that Corsair provided more room for those with non-modular power supplies and those who just want to stuff all their cables in this space, but, personally, I think this area could be made smaller to produce a smaller case.

Other Thoughts: I wanted a small-form-factor case and was deciding between the one by EVGA or Corsair's 250D. I ultimately decided that EVGA's offering was risky due to its included power supply so I chose the 250D. The 250D is certainly bigger than other ITX cases on the market, but Corsair is about no compromises. This case certainly lives up to that value, and this is certainly a very good case for what it is. I only have a few minor criticisms that you can see in the "Cons" section. I would like to see Corsair try an even smaller ITX case from a tower design.

Did you find this review helpful? Yes No

  • Garrett C.
  • 7/12/2014 7:19:59 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsmITX build from ATX

Pros: Excellent build quality; all panels fit perfectly, layout is quite good and the case is very roomy as far as mITX cases go. The case itself is handsome and pleasant to look at. The case itself feels quite solid and firm, but not excessively heavy or feeling of build material compromise.

Thumbscrew panels make installation and access very easy. The thumbscrew layout of the panel access is a bit odd on the back side panels, but nothing to really fret over, in my mind, although could be optimized.

Holds a full size, modular PSU quite well with plenty of room for cabling.

Side panels allow tremendous airflow for both intake cooling of graphics card fan and on the opposite side, space for two, 120mm fans. The rear has space for two 80mm fans with plenty of room to avoid motherboard interference. A very well-ventilated case.

Cons: Thumb screw holes, at times, are not exactly aligned. Good idea for quick maintenance, although, not necessary for the HDD rack to have four of them.

Lack of SATA backplane. This would have been an absolute slam dunk case if this were standard, as the power and SATA cable management could easily be negated from the cabling nightmare that always accompanies SFF builds. This would be worth the additional cost had the case included the feature.

The side panel is 'stated' to support a 240 (2x120mm) radiator, although I'm quite hard pressed to see how based on mITX motherboard placement and side panel clearance. This requires specific radiator widths (quite slim) that are difficult to find. It also requires normal (exact) to slim fans, and even then, you would need to be a master oragami folder in order to arrange all internal components just right to fit components. A full watercooling build could be done, but incredible planning and a master's degree in spacial engineering skills should be considered a pre-requisite.

Removable side filters would been quite nice, although they are very easy to clean by pulling thumb screws and rinsing the filters. Some people might wish to not use the side filters, but would like the option of add/removing them at any time.

Other Thoughts: Very nice looking, well designed mITX case. Aesthetically pleasing and well proportioned shape.

1 out of 2 people found this review helpful. Did you? Yes No

  • Carlos L.
  • 7/12/2014 9:27:01 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsGreat case.. but

Pros: Nice case. Removable dust filters. Enough room for a full graphics card.

Cons: Case arrived damaged. There were a few plastic tabs that looked to be broken off in the box. As a result the front plastic legs are only hanging on. I've logged an ask with Corsair to see if they can send me a replacement part. Will update my review if that happens.

Manufacturer Response:

Dear Customer,

Thank you for the review. If you haven't already, you may contact us at 888-222-4346 and we'll be happy to replace your damaged parts.

Thank you,
Corsair Customer Support
Corsair Support Email:
Corsair Support Phone Number: 888-222-4346

Did you find this review helpful? Yes No

  • Jimmy C.
  • 7/6/2014 6:32:28 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsCheap On-Sale Justice

Pros: Bought this case last week with the 10% promo code and $19.99 rebate card, I saved about $28.98 from the inital $89.99 price. This is one of the best quality Mini-ITX cases around especially for the price I got it for.

Cons: Dust filters are not very flat and feels so flimsy but it's ridiculously easy to clean.

Did you find this review helpful? Yes No

  • Seth D.
  • 7/4/2014 8:00:09 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsFun to Build Within

Pros: The case fits an impressive amount of hardware. Thumb screws for everything, front has clips for easy removal too. All extra case parts fit within an included HDD sized Box that mounts into 3.5" bay.

Cons: N/A

Other Thoughts: The front can support 200mm fans (no advertised)

We went with:
Intel i5
GTX 760
140mm Front fan
240mm AIO Cooling loop

Did you find this review helpful? Yes No

  • James B.
  • 7/3/2014 4:12:07 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsNot recommend for 240mm radiators

Pros: - Accommodates all but the very largest GPUs
- Accommodates full size PSUs
- External air supply for GPU cooling
- Support for up to a 240mm radiator for external air supply cooling of the CPU
- Fan screens for all air inlet locations
- Excellent top down access to the motherboard
- Excellent component access in general
- Love the PSU and HDD positioning under the motherboard
- Great esthetics
- Tool-less design
- HDDs on caddies for easy installation
- No sharp edges

Cons: - No backplane for HDDs
- Does not support Corsair's H105 (*barely* fits the H100i)
- The paneling does not fit together as cleanly as I would like
- The spacing between thumb screws is a bit hokey (cramped)
- Thumb screws are used at times when other fastening solutions would be better (looking at you HDD panel)
- Limited cable management (but that's the nature of the beast)

Other Thoughts: Corsair states that this case will support 240mm radiators, and though this statement is true, it's only just. Over Corsair's lineup, the H100i is the only 240mm product the 250D will accommodate, and to do so it's a prerequisite that the installing party has previously beaten Tetris. Initially I installed the H100i with the hoses toward the front of the case. With this configuration it is impossible to have a fan (of any size) installed at the helm of your chassis. So I turned the radiator around so the hoses were at the back. This places pressure on the motherboards USB IO tower. Either of these things is sub optimum. Of course none of this discussion exposes the exacting methods that were needed to get the radiator into position in either orientation, suffice to say, you might want to get it on film to show others your elite spacial problem solving skills. I think it was a design oversight to not increase the case size slightly, both to allow for installation of the H105 (the preferred 240mm Corsair product), as well as to avoid needing a mechanical engineering degree to perform the build with the use of a 240mm radiator.

I think the HDD rack and rails was a good idea, poorly executed. Access to the rack shouldn't require removal of four thumbs screws, two awkwardly spaced right on top of other thumb screw (limiting finger access to rotate). A little creative engineering right here could have made access much faster and easier. Also, the lack of a backplane for the HDDs requires removal of at least one if not two panels and fiddling around with cables. A backplane would have been an easy win, and well worth a little extra $$.

Another area of irritation is the lack of fit of the case paneling. I have to wiggle the panels to get them to fit straight. Not really the level of craftsmanship I expect out of an enthusiast oriented product.

Over all the case is manageable, and comes in at a reasonable price for what it is. You can do a pretty powerful build in this case, and you can power and cool it as well. I'm taking off one star for the poor 240mm radiator support, and one for fit and finish (including the lack of backplane), and giving one star back the price and over all ability of the case. Over all the 250D comes in as a solid product, but stops just short of excellence.

3 out of 4 people found this review helpful. Did you? Yes No

  • John M.
  • 7/1/2014 7:44:42 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsExcellent case

Pros: Plenty of cooling, excellent overall design, can use full size ATX power supply.

Cons: Only has two USB 3.0 ports, no motherboard alignment pin like other Corsair cases have. DVD drive bezel was a tight fit in the cutout.

Other Thoughts: If you don't have the latest motherboard with a USB 3.0 header, you will be stuck with only the ports on the IO panel of the motherboard which, in my case required an external USB hub to meet my requirements.

Did you find this review helpful? Yes No

  • Johnny H.
  • 6/23/2014 10:14:23 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsCorsair Obsidian Series 250D

Pros: Nice case with fan filters.. has nice window on top of the case and looks nice

Cons: I have asus z87 impact mini board and I can't fit the h100i with out taking out wifi and sound card. I heard other board like asrock one fits ok but not impact.
Also it's hard to slide in the psu.

2 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16811139033
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