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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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  • Jordan K.
  • 8/24/2014 12:25:10 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsExcellent Mini ITX Case

Pros: - Aesthetics
- Build quality
- Features

Cons: N/A

Other Thoughts: My review serves the purpose of stating my satisfaction with the Corsair 250d case as well as providing Corsair the drive to continue to make excellent products. I needed a reputable mini ITX case worthy of housing my computer hardware and my final decision ended up being the Corsair 250d. This case is excellent in several aspects from aesthetics, to build quality, to features. My previous case was a Thermaltake Armor series and it had dust filters on it so I was stoked to see the Corsair 250d has excellent dust filters installed in the case a well. The Corsair 250d is a must buy for aesthetics and as a housing unit for expensive PC hardware

Did you find this review helpful? Yes No

  • Jaime F.
  • 8/23/2014 5:38:41 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAmazing

Pros: Amazing case. Fits a ton of fans for being an ITX without sacrificing room.

Lot of headroom for liquid cooling whether it be AIO Asetek type setups or custom loops.

Fits many full sized components just as advertised and I especially love the Motherboard atop the PSU placement and the HDD cage on the bottom next to the PSU. Makes doing your own custom cable lengths a real treat for tidy clean cut setups.

Cons: The front panel cables are honestly too long for the USB 3.0, Power button / HDD LED / PWR LED. The front panel audio aren't too bad in terms of length because they're easy to hide and snake around mounting points / holes etc because they're small and the header connectors diameter are just as tiny.

I mention most of those cords as cons simply because this is an iTX build, the Motherboard in proximity to the front panel and its cables is very close. In this case the MB sits elevated on top of the PSU, and if you're trying to minimize your clutter for max airflow / liquid cooling custom loops or even AIO loops why not shorter cable lengths consider the bottom of the case doesn't have much room for cable management. The solution to this is cutting the wires and re-crimping, which I did anyways because I sleeved literally ever wire, but if you don't have the right tools and aren't experienced in doing this then just zip-tie your cables well.

Other Thoughts: This is my second Mini-iTX build with incorporating liquid cooling loops. I ran a tri-sli gtx670 full tower 750d for a couple years with a loop and that thing was heeeeavvvy. It's nice being able to consolidate my parts real world performance into a smaller form factor again. Added a corsair h100i, an h55 to this case and my i7 2600k and NZXT Kraken R9 290x and everything's beautiful.

Did you find this review helpful? Yes No

  • Karsten A.
  • 8/22/2014 9:51:28 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsnice

Pros: I previously had a Corsair 750D so this case was somewhat familiar. It is cleverly designed and offers quite a bit of space for its size. I was able to fit a XFX 280X DD in here as well, even though it's 5mm longer than the longest size Corsair says would be compatible.

Cons: None

Other Thoughts: Very happy with this case

Did you find this review helpful? Yes No

  • Edwin H.
  • 8/22/2014 4:36:44 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsIt Doesn't Look Like a Microwave

Pros: - Panels are easily removed with thumbscrews.
- Hard drive mounts are tool-less.
- Sturdy construction; doesn't feel like a hunk of plastic.
- Many cooling possibilities for such a small case.
- Lots of anchors for wire ties.
- Every intake vent has a filter.
- Has a window and doesn't look like a microwave like some of the other mITX cases.

Cons: - Front USB ports are upside down.
- Side panel can be finicky to install and remove.

Other Thoughts: - Again, it doesn't look like a microwave or mini fridge. Are you listening, Fractal Design?

- Mounting the hard drives takes a little patience. The trays are plastic and flimsy, but they stabilize once a hard drive is in them. I recommend installing them before you install other components.

- The side panel has six little clips that have to be perfectly aligned in six little tracks before it will slide forward. It's not a good design.

- I'm using a Corsair H60 in there, but there's room for a 240mm radiator if I decided to do that. Note that there is very little clearance between headers on the "top" of the motherboard and a fan/rad there.

I owned the Corsair 350D prior to using this. The 250D, while much smaller, has the same high quality and smart design. Building in the 250D is very easy, just as long as you can handle all of the cable management that comes with a smaller case.

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  • Kevin K.
  • 8/14/2014 11:34:51 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsAmazing SFF Case

Pros: I just wanted to say, this is an amazing case. I just completed my Small Form-Factor (SFF) ultimate gaming build in this, and it fits everything perfectly, with very little room to spare. It definitely pays to do your research and make sure everything will fit before you order this case and your components.

I installed the Corsair H100i first with the rubber tubes to the rear using the offset mounting holes to give the motherboard a bit more clearance. This case was designed with Corsair's line of AIO coolers in mind. With the H100i already in place the installation of the rest of the components was a breeze. The case includes built-in standoffs for the motherboard.

If you're using the H100i or similar setup, consider the following:
- Install H100i first, using offset mounting holes.
- Run power cables under the H100i before you install the motherboard (for the cables that need to be run to the top of the board)
- Install RAM chips in motherboard before you put it into the case (as the proximity of the fans will not let you open the retainer clips)

The case allows you to mount the power supply either right side up to draw fresh air from under the case, or upside down to draw out hot air from directly under the motherboard for cooler temps.

The screw-less drive trays and the location of the disk bay at the back left side of the case make for extremely easy mounting and connecting of 2x3.5" and 2x2.5" HDD/SSDs.

The front of the case comes with a quiet 140mm to provide intake, but has mounting holes for 120mm and 200mm fans.

The right side panel of the case has a vent that lines up perfectly with the fans on most modern GPUs allowing them to draw fresh air from outside of the case for cooler temperatures. I installed MSI's GTX 780 Twin-Frozr 6GB and I can barely hear the thing even under load - it stays so cool.

Plenty of cable tie points to secure everything to for excellent cable management.

The window is well positioned to provide an excellent top-down view of all the goodies inside, while hiding all the cables and ties you dont want to see.

Cons: I wont subtract a star for any of these, but a couple of things I noticed while I was doing the install:

- The 3.5"/2.5" disk trays seem a bit flimsy, but once secured in the case they work well.
- The magnetic filters on the side vents are a good addition, but only if the magnets stay on the filter material. I may have to reglue those on after removing and cleaning those a couple times.
- The ODD mount is secure, but a little loose allowing the drive to shift around a bit. There are no screw holes to secure it down.

Other Thoughts: - If you're using the h100i: there may or may not be cleareance for a 200mm fan, depending on how thick it is. Also, check the location of the motherboard connections and ensure that most of them are on the right side. If the connections are on the top it will look a lot less clean and you run the risk of some of the cables getting in the way of the fans.

- You dont need long cables in this case. Get short ones if you can. Zip ties are your friend.

My Rig:
Case: Corsair Obsidian 250D
CPU: Intel Core i7-4790K Haswell 4.0Ghz
CPU Cooler: CORSAIR Hydro Series H100i
RAM: CORSAIR Vengeance Pro 16GB (2 x 8GB) 240-Pin DDR3 SDRAM 1866 CL9
GPU: MSI N780 TF 6GD5/OC GeForce GTX 780 6GB
PSU: CORSAIR AXi series AX860i 860W

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

  • Andrew B.
  • 8/11/2014 1:29:15 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

4 out of 5 eggsITX behemoth

Pros: Fits lots of cooling solutions and capable of handling nearly all graphics cards on the market.

Cons: H100 Fans need have their corners cut off and custom mounting solutions to fit with a 200mm front fan but it works.
My ASrock H97 ITX AC has its RAM situated in such a way that the fans from the radiator cause replacement of the RAM without removing the radiator and or fans impossible.
Also a Modular power supply is recommended or atleast fan grills to get them out of the way of the fans.

Other Thoughts: Built for the sole purpose of building a mini ITX rig with known parts this would have to be one of the best choices.

Did you find this review helpful? Yes No

  • Nazary K.
  • 8/8/2014 3:07:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsVERY GOOD CASE




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  • David J.
  • 8/7/2014 7:09:43 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsGreat Little Case!

Pros: Lots of airflow, room for a full-length graphics card, great looks, and plenty of space for just about everything you'd need for a small build PC. Front header cords are long enough to reach anywhere on the board. Included fans are nice, but they're no Noctuas.

Cons: Thumb screws fit incredibly tight in their holes. I need a screwdriver to screw them in and remove them. Not worth taking an egg off, but a half egg for sure (if that were possible).

Other Thoughts: This case has two 80mm fan slots at the back. I haven't had to use 80mm fans since 2007 or so. Noctua makes an 80mm that won't blow your ears off, but other than that, other brands will make some noise.

Did you find this review helpful? Yes No

  • Anthony C.
  • 8/2/2014 10:37:54 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Fantastic Design, the placement of the PSU below the bracket for the motherboard allows for space saving and gives a good area for cable management. The HDD/SSD mounting bay is mounted under the motherboard tray on the right hand side and allows for easy installation.

- Dust filters keep this build fairly clean, despite living in a super dusty house, filters are also easy to remove and washable.

- All the Corsair fans that come with the case are super quiet, even under full load my system is super quiet.

Cons: - Thumb screws in the PSU bracket were fairly cheap and one was harder to remove and part of the tread had been threaded.

- Optical drive mounting switch broke off during install

Other Thoughts: Fantastic for a small gaming ITX or a lan gaming machine. Fits larger video cards and allows for fantastic cooling. If you are interested in a ITX build I would recommend spending the extra money and buying this case.

Did you find this review helpful? Yes No

  • Bruce A.
  • 7/31/2014 5:29:19 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsThe total package in a tiny case..Hope you're good at Tetris!

Pros: Full size components for a Mini-ITX Build


Great Build Quality

Filters everywhere!

Cons: Extremely tight fit for H100i. For a bit, I thought it wouldn't fit but realized there are different places to mount the screws depending on your motherboard. Some boards may not fit, mine barely did.

This was the hardest build I've ever done. For such a small enclosure, much thought had to be put into how parts were installed and wired up.

I hope you've played Tetris! You'll need skills to complete this puzzle should you choose to use a supported AIO water cooling solution.

Other Thoughts: Overall, it was absolutely worth the effort. I have a powerful i7 Hackintosh/Gaming rig that idles about 26 degrees. The magnetic filters all around are great and the window on top is a nice touch. Corsair has been my brand of choice the last 6 years starting with the Obsidian 800D, moving to an Air 540 and now to this. Should you accept the challenge, you will be pleased with the compactness and efficiency of this case. Oh did I mention magnetic filters on all of the intakes? :D

Did you find this review helpful? Yes No

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