Corsair 900D Obsidian HPTX Tower PC Gaming Case with Window

Corsair Obsidian 900D Super Tower Computer Chassis, HPTX/XL-ATX/E-ATX/ATX/mATX/mITX, Black, with Side Window, USB 3.0

Scan code: LN49022 Manufacturer code: CC-9011022-WW Request call
Pay on Scan Finance with a 10% deposit from just £8.37 / month (APR 15.9%)
From £16.08 / month (APR 14.9%)
Monthly Payment: £58.13
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £334.99
Total inc. interest: £348.77
Monthly Payment: £30.08
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £334.99
Total inc. interest: £360.89
Monthly Payment: £20.74
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £334.99
Total inc. interest: £373.25
Monthly Payment: £16.08
Instalment Rate: 14.9% p.a. (fixed)
Cost of purchase: £334.99
Total inc. interest: £385.88
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review 3xs Approved High End
Delivery options £11.50 By DPD On 27th Feb 2018 DPD Delivered to your specified address. Receive SMS with one-hour delivery window. £9.58 Collect from local shops UPS and DPD Pickup Collect your parcel from your newsagents, petrol stations and convenience stores. Free Collect Instore Q-Collect Place your order online and collect from our Bolton store with Q-Collect. Weekend, timed and European delivery options are available at checkout ScanProtect protection ScanProtect Protect against installation damage for 28 days.More
Frequently Bought Together

Corsair Obsidian 900D - Black with Window - Gaming PC Case

Corsair Obsidian 900D Case

Obsidian 900D Super Tower Case

Obsidian 900D case is built on a steel and cast aluminium fram, with silid steel panels and a fully painted interior. The brushed aluminium facia resists scratches and fingerprints. This case is perfect if your wanting to build your very own Dream PC with quad-GPUs or dual-CPUs. The cooling possibilities in the 900D are plentyful and will allow you to keep any components cool.

Serious Case Expansion

780T Door Panel

Easy to Build, Hard to Beat

System builds should be straightforward and easy, without your PC case getting in the way. And, reconfigurations and upgrades should be just as simple. An enjoyable build process with great-looking results is a huge part of the pride of ownership that comes with building high-performance PCs.

The 900D can help make it all happen with tool-free side panel access, hard drive installation, and optical drive installation. Inside, you’ll find a CPU backplate cutout and rubber grommets on the cable routing holes. There’s generous cable routing space behind the motherboard tray, and snap-down cable latches help you create clean, easy-to-modify cabling that doesn’t rely on dozens of zip ties. You also get modular hard drive cages, and the dust filters and fan covers are easily removable for cleaning and maintenance.

Incredible Cooling Performance

Corsair Graphite 780T Cooling

Cooling-Optimized Gaming Case

The Obsidian 900D is a cooling-optimized case that has good passive ventilation, flexible fan mounting and room to add an active cooling system. This case includes 3x 120mm AF series front intake fans and 1x 140mm rear exhaust fan. There are a total of 15 total fan mount locations and 5 radiator mounting points.

Incredible Cooling Performance

Corsair Graphite 780T Cooling

Easy to Build, Hard to Beat

In the Obsidian 900D there is no such thing as too much space and the amazing numbers speak for themselves. The 900D features 10 expansion slots, it fits up to 9 HDD or SSDs, with 3 hot-swap mounts and if thats not enough you can expand to 15 drives by adding aditional drive cages (sold seperately). There is also space for dual power supplies.

Liquid Cooling Capable

Watercool Your Graphics Card and Processor

The 900D has room at the front, rear, bottom, and top for radiators, allowing you to quiet down your GPU and CPU with liquid coolers, this also allows you to get better overclocks out of your components for better quality gaming.

The length for the radiators that are compatable with the 780T case are as follows:
Front: Up to 360mm / Top: Up to 480mm (4 x 120) or 420mm (3 x 140) / Bottom side one: up to 480mm (4 x 120) or 420mm (3 x 140) - Bottom side two (with PSU installed): up to 280mm (2 x 140) or 240mm (2 x 120) / Rear: 140mm or 120mm

Case Edition Obsidian Series 900D Super Tower
Case Form Factor Super Tower
Motherboard Form Factor
  • ATX
  • E-ATX
  • HPTX
  • MicroATX
  • Mini-ITX
  • XL-ATX
Material Aluminium
Front/ Side/ Top Panel
  • 1 x Headphone
  • 1 x Mic In
  • 4 x USB 2.0
  • 2 x USB 3.0
Drive Bays
  • 9 x 2.5"/ 3.5" Internal
  • 4 x 5.25" External
Expansion Slots 10
Fan Bays
  • 9 x 120/140mm
  • 4 x 120mm
  • 1 x 140mm
Fans Included
  • 3 x 120mm
  • 1 x 140mm
Front Radiator Compatibility  
Top Radiator Compatibility  
Bottom Radiator Compatibility  
Rear Radiator Compatibility  
Side Radiator Compatibility  
Window Yes
Power Supply Form Factor ATX
Max PSU Length  
Max CPU Cooler Height 170 mm
Max VGA Card Length 500 mm
Colour Black
Dimensions 252 x 692 x 650 (WxHxD mm)
Weight 18.6 kg (Approx)

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

24 months
DOA Period:
28 days
RTB Period:
24 months
Manufacturer Contact Details
Corsair / SCAN
0871 472 4747
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Corsair Obsidian 900D Super Tower Computer Chassis, HPTX/XL-ATX/E-ATX/ATX/mATX/mITX, Black, with Side Window, USB 3.0 is rated 4.3 out of 5 by 14.
Rated 5 out of 5 by from The perfect pc case The best pc case I have ever seen, very big. I recommend to buy it, money well spent.
Date published: 2016-11-11
Rated 3 out of 5 by from Cost a lot's not great. Its big and heavy but it should be its supertower but there's some things I dont like. Paint strips off very easily, its not rather sturdy, feels like really cheap metal. It should cost half of the price not more than 300£
Date published: 2016-10-10
Rated 3 out of 5 by from Good, but not great Case is *not* set up to handle SSI-EEB motherboards, which I find unconscionable in such an expensive case. Lacks a certain amount of flexibility. I had to modify the case in order to find room for a dual-loop water cooling system. Also quality control could be better, mine was delivered with a malfunctioning front filter latch. Too many pop-rivets, too much plastic. All in all a decent case, but not really worth its price, at least for dual-processor systems.
Date published: 2016-07-23
Rated 5 out of 5 by from The ultimate in space case if you want a case that has you wondering "what else can i fit in here, it looks kinda empty" then this is the case for you! this case makes even large cases look small, i went from an antec 1200 and that now looks tiny, there is enough hard drive enclousures to house enough data for any server requierment (although the doors and sleds on the drive bays are a tad flimsy in my oppinion)... the basement area is very accomodating for quite a lot of radiators although the front fan does need to be removed to get the longer rads in... the front disc drive bay indentations are an aquierred taste but if ur side on mounting the case on a desk to look through the window like i have then u dont even see it. i do reccoment scan getting the basement floor plate as this really does clean up the case to no end as i have just made one and it looks very nice!
Date published: 2016-06-29
Rated 5 out of 5 by from Absolutely Fantastic Used to have a HAF-X and wanted an upgrade. Decided on the 900D and what can I say, the best case that I've ever built in (I used to be a systems builder for friends and maybe built in 30 or so cases). Its fantastic. The quality of the construction is second to none, the layout is perfect and I love the availability of add ons and mods. I'm considering getting a mid-plate for it however as you can get them online for fairly cheap and I think it would make it even better. But apart from that I think the overall case is just perfect for what I want. If you're in the market for a big case, look no further, this is in my opinion the best on the market!
Date published: 2016-05-04
Rated 5 out of 5 by from truly massive This is truly a massive case with loads of great features and potential for creating a amazing system.
Date published: 2015-07-20
Rated 4 out of 5 by from Awesome Case The case itself is amazing, huge amounts of space to play with. The cable management is fantastic. The airflow tests I have carried out, proves that Corsairs put quite a bit of thought into how the cooling would work. My only issue with the case is for a £300 case the build quality is lacking. The side panels don't come off very easily, my 1st attempt at getting them off made me think that there was a fault. But I can't see one. The top comes off easily enough, but getting it back on is a real pain. I feel quite let down by the quality. My old Cosmos S was amazing so was hoping for a similar build. Overall though I would recommend this case, as the liquid or air cooling options are immense. Plus its very pretty
Date published: 2015-01-18
Rated 5 out of 5 by from Great case Ordered this to replace my 800D what was starting to get a bit old, different in size is quite a bit. However it is well worth it just for the space for the cabling routing compared to the 800D. My only issues with the case is that it comes with three drive bay racks with only one Hot swap bay the case should have at lest two as standard. The Fans what come with the case the cables are a bit short corsair needs to look into fixing this, or providing some extensions due to the size of the case it makes it hard to connect them to your Motherboard. Also they lack 4pin connector. Only cosmetic issue was with the top of the case the panel is was very hard to remove and it looked to be bent in places. I will bug corsair about this when I have time. Moving all my hardware into this case was a lot more simpler than changing it around in my 800D mainly due to the space
Date published: 2014-10-19
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Corsair 900D Obsidian HPTX Tower PC Gaming Case with Window
Corsair 900D Obsidian HPTX Tower PC Gaming Case with Window