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Corsair Obsidian 900D ATX Super Tower Case w/ Window 4X5.25 9X3.5INT USB3.0 No PSU

Reg. Price: $484.98  CAD
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This item is in stock and will ship as soon as possible. Usually ships in 4-8 business days.

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SKU: 79369
Shipping Weight: 47lbs

Part #: CC-9011022-WW

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Product Videos [ Edit ]

Features [ Edit | History ]


What will you do with all this room?

Obsidian Series 900D is for serious builders with big projects.
Do you want to design your ultimate dream PC?
Add state-of-the-art liquid cooling or air cooling?
Build a quadruple GPU, dual CPU graphics powerhouse?
Or, just creat a monster file server?
If these are the kinds of questions you're asking yourself, you need a 900D

Quick Specs:
Material Aluminum Steel
Motherboard Supported ATX Micro ATX EATX HPTX Mini ITX
Color Black
Form Factor Tower
Number of Fans Supported 15
Number of Fans Installed 4
Number of External 5.25" Bays 4
Number of Power Supplies Supported 2
Number of Power Supplies Installed No
Number of Internal 3.5" Bays 9
Number of Total Expansion Bays 13
Number of Total Expansion Slots 10
Total Number of USB Ports 6

Specifications [ Edit | History ]

     Number of External 5.25" Bays: 4
     Number of Internal 3.5" Bays: 9
     Number of Total Expansion Bays: 13
General Information  
     Brand Name: Corsair
     Manufacturer: Corsair
     Manufacturer Part Number: CC-9011022-WW
     Manufacturer Website Address:
     Product Line: Obsidian
     Product Model: 900D
     Product Name: Obsidian 900D System Cabinet
     Product Type: Server Case
I/O Expansions  
     Number of Total Expansion Slots: 10
     Front USB: Yes
     Total Number of USB Ports: 6
Physical Characteristics  
     Color: Black
     Form Factor: Tower
     Material: Aluminum
Power Description  
     Number of Power Supplies Installed: No
     Number of Power Supplies Supported: 2
     Redundant Power Supply: Yes
Technical Information  
     Features: Removable Air Filter
     Motherboard Supported: ATX
Micro ATX
Mini ITX
     Number of Fans Installed: 4
     Number of Fans Supported: 15

Customer Reviews of Corsair CC-9011022-WW

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Corsair CC-9011022-WW reviews.
Experience: 7 Days

huge one Verified OwnerVerified Owner


very large space, good quality, many accessories, has a lot of space for your imagination
a little big too high, i cannot put into my desk, metal is solid, but hdd case seems cheap, a little big over priced, and only has 4x5,25, less than the 800d case
i like it very much, although i didnt put a lot of stuff inside, maybe later i can change mind to do some mod,

Experience: 2 Days

Great Case Verified OwnerVerified Owner


- Enormous
- Plenty of room for cables
- Great aesthetics
I ordered my 900D and they shipped it to me.

Experience: 16 Days

Amazing case! A showpiece in itself


- large internal space to work with
- steel construction, sturdy and good for magnetic light strips
- large side window for viewing interior components and modding work
- plenty of spots for large radiators (can fit 480's and 360 no sweat)
- came with plenty of extra screws and fixtures
- hard drive cages are repositionable either in the bottom compartment or under the 5.25 drive bays
- LOTS of places for case fans/air cooling
- magnetic fan filters on bottom compartment doors
- sleek dark metal bezels throughout
- too much empty space if not doing any watercooling work/custom tubing
- price (unless you price match!)
- awkward and heavy to carry/move around in place
I had an enjoyable time putting my new build together inside my new 900D. After owning an 800D prior to this, I knew I wanted to go up to the next level and spring for the 900, especially with plans to break into more PC case modding and 'showpiece' art/display of my computer work station ...

The thing itself is large, and cumbersome to carry out of the store. It is packed very well with Styrofoam top and bottom and a plastic protective bag.. all edges on the case that would be susceptible to being dinged/scratched have protective tape, most of the outside panels have a large sheet of protective tape as well. I was impressed with the total package.

It came with 2 HDD cages that are repositionable inside the case in 2 areas: the bottom area where the PSU is kept, or the front area underneath the 5.25 drive bays .. depending on your needs you can easily slide them in/out .. keep an eye out for the sliders that they slip into eachother (stacking)..

I bought my own 4mm black ABS plastic from a local shop (Industrial Plastic and Paint, BC) and after taking measurements cut panels out to fit inside the 900D to exact shape of each area (motherboard plate, back plate, midshelf plate) **** TRICK for cutting abs plastic ... use a good heavy duty exacto blade and score along your cut lines, a few good deep passes is all you need, then find a table and use muscle to bend the discard piece off .. you get much cleaner cuts and have little sanding/cleanup to do afterwards... do not bother cutting with any scroll saw or jigsaw.. the plastic basically re-melds behind the blade as it cuts through. It was a major headache.

OVERALL, the case is fantastic and cannot wait to put it on display with my custom components, lighting and art installations built into it

Experience: 2 Years

great furniture! :)

So big, but it makes it easy to manage/hide all the wires. Also no problem fitting a big radiator. Mag

It is really huge and heavy.
Instruction / manual dont cover all the features at all. Had to search in forums for example to find that the rail to fit 4x front side fans in the bottom were screwed in the inside bottom of the case. Also how to remove top filter is a bit tricky.

But the case allowed me to do everything I wanted with ease. I'm very happy how it look also.

Experience: 2 Days


The price, but I guess you have to pay for quality!
They even give you a extension cable to connect CPU power because the PSU is a long way from the top of the mother board. I also like the fact that you can install the PSU on either side of the case, I needed to use this option because I installed a radiator on the lower part of the case and being able to move around the drive bays was also good. It's nice doing a build when you have lots of room.

Experience: 1 Months


To big, to much space.
This case is very big. Inside you have space to work. No screw for remove the side!

Experience: 2 Days


Lots of Room. Beautiful Design, High Quality construction,
This unit is massive. It takes up alot of space, but looks extremely nice. (I cannot stress that enough.) The pre-installed fans are of high quality, and the overall construction is awesome. The one magnetic dust filter is a little warped and I don't really like the fact that the door on the front panel is plastic, most of the case is metal so I think it would have been better to place a metal door here, but otherwise the case is awesome.

Experience: 80 Days


-Loads of room
-Plenty of cooling options
-Easy cable management
-Removable filters
-PSU mounts are well thought out
-Looks good
-Loads of room; this is a big case, don't plan on moving it around too much - or buy a hernia belt to go with it.
-Installing larger graphics cards is somewhat tedious.
-Had to sell one of my children to get one.
Overall, I'm very happy with the 900D. It's sturdy, easy to work with, and I'm never going to be short on fan/radiator mounting options. It's a much cleaner case than I have had in the past; the magnetic filters are very easy to clean and they cover the PSU vent as well. I also found that taking the case apart was pretty easy, especially when you need to get access to a specific area and you don't want to move the case (and you do NOT want to move this case). The only major problem I had was installing my graphics cards, there is surprisingly little space between the corner of the case and the expansion slot opening - so trying to get a thumbscrew in on a larger graphics card with an aftermarket cooler is a pain. Considering the rest of the build was dead easy, and the quality of the case overall, I'm totally willing to live with this. I can see myself hanging on to the 900 for a long time.

Experience: 7 Days


Lots of room, well engineered, no interferance with plugs or cables
Wish they would have instruction manual for removing panels
Great case over all, clean look, i dont regret it

Experience: 2 Weeks


Easy to work on and excellent cooling.
I just replaced my old VooDoo case with the Obsidian 900D.

The first thing you notice when you unpack the case is the quality of the material used and it size. I upgraded my water cooling to a three fan block and it fits easily. The only things which could be improved is access to the screws holding in the graphic cards. Once the unit was up and running the case air temperatures were about 10C lower than in my old case.

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Messages about Corsair Obsidian 900D ATX Super Tower Case w/ Window 4X5.25 9X3.5INT USB3.0 No PSU

accessories for corsair 900d available anywhere? (Daniel_H- Dec 01, 15, 2 Replies)
how many fans (T-O-X-I-C- Nov 11, 13, 1 Replies)
It's in stock! (justmoe1- Aug 16, 13, 0 Replies)
NCIX Responded (sergegordy- Jul 03, 13, 32 Replies)
Guru3d 900D Review (justmoe1- Apr 24, 13, 7 Replies)
Obsidian 900D (sergegordy- Mar 26, 13, 9 Replies)
In store next week! (Bbot- Mar 20, 13, 16 Replies)
900D Shipping (maxime_l- Mar 14, 13, 8 Replies)
Should I? (Desmond M- Feb 23, 13, 1 Replies)
Pre-order wait times (Geoffrey_M- Feb 16, 13, 2 Replies)
Should I or not? (just_visiting- Feb 15, 13, 4 Replies)
Possible To Rotate Dual Power Supply Mount? (Mitch_F- Jan 31, 13, 2 Replies)

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Posted by: TheBigTroll1226 @04/23/13
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Posted by: TheBigTroll1226 @04/16/13
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First 30 days limited warranty through The remainder of the two year warranty is provided directly by the manufacturer.

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Effective April 8, 2016, the following warranty periods apply:

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Computer Cases

  • Obsidian Series® cases have a 2 year warranty
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  • Hydro Series™ products have a 5 year warranty
  • Air Series™ products have a 2 year warranty
  • All fan products have a 2 year warranty

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  • All speaker products have a 2 year warranty
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  • Gaming Mice have a 2 year warranty
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  • Corsair offers a 1 year, replacement-only warranty for certified refurbished PSUs, Cases, Cooling units, SSD, USB parts, Audio, and Gaming Peripheral units.

For additional information and technical assitance, please visit Corsair Memory''s support site at:

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