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Item#: N82E16811139024

Corsair Obsidian 750D Black ATX Full Tower Computer Case

  • ATX Full Tower
  • USB 2.0 / USB 3.0 / Audio Front Ports
  • 9 Expansion Slots
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Infused with style and features, the Corsair Obsidian 750D Computer Case is the choice for you to build a great-looking high performance system. This ATX full tower combines generous expansion flexibility, room for advanced cooling options, and an interior that’s optimized for fast and easy builds and upgrades. With its clean lines, the brushed aluminum and steel construction presents a touch of sleek elegance, while the transparent side panel allows you to show off your high-end components. It incorporates a host of clever system-builder-focused features, because building a system should be straightforward, trouble-free, and fun! USB 3.0 connectivity, on the front panel, rounds out your experience with lightning fast data transfer.

  • newegg Your system. Your cooling. The three included Corsair AF140L high-airflow 140mm intake and exhaust fans are custom engineered to deliver excellent airflow with less unnecessary turbulence and noise. You can mount up to eight fans, with room for dual radiators on the bottom, front, and top.
  • newegg The room you need when you’re getting serious The Obsidian 750D fits a graphics card of up to 450mm long , and a CPU cooler of up to 170mm high. Nine PCI-E expansion slots support double and triple GPUs. There’s also room for up to ten drives.
  • newegg Take control of your storage There are four separate mounting locations for the drive cages. If you’re moving to 100% solid-state, you can remove the 3.5-inch cages entirely and use the four side-mounted 2.5-inch cages.
  • newegg Designed for fast, straightforward builds The side panels and expansion slots use thumb screws, and the storage installation is tool-free. A center-post standoff holds the motherboard in place while you secure it, and the dust filters are easily accessible and removable. The innovative cable routing system has multiple cutouts with rubber grommets for superior airflow and a cleaner look, and the CPU backplate cutout lets you install or upgrade your CPU cooling without removing the motherboard. Water tube holes are provided at the rear for a water cooling upgrade.
  • newegg Bottom-Mounted PSU Allows better case stability and independent PSU cooling.
  • newegg USB 3.0 I/O Panel The easy-access front I/O panel contains two USB 3.0 and two USB 2.0, and headphone and microphone connectors, for handy connection to peripherals.

Learn more about the Corsair 750D




ATX Full Tower
With Side Panel Window


Expansion Slots

Front Ports

Front Ports
USB 2.0 / USB 3.0 / Audio

Cooling System

140mm Fans

Physical Spec

21.5" x 9.25" x 22" (L x W x H)
21.4 lbs.


Generous expansion room for building high-performance systems.

Beautiful brushed aluminum fascia makes an elegant design statement.

Full side panel window to view your components.

Tool-free SSD, Hard Drive, and Optical Drive installation.

Includes three AF140L fans, with room for up to eight fans.

Modular drive cage system for highly customizable layouts.
- Two modular drive cages house three 3.5" or 2.5" drives each.
- Four tool-free dedicated SSD cages, sideways mounted.

Designed for fast and straightforward builds.

Radiator and fan compatibility compatibility:
- Top: 3 x 120mm or 2 x 140mm
- Front: 2 x 140mm or 2 x 120mm (2 x 140mm included)
- Bottom: 2 x 120mm
- Rear: 1 x 140mm or 120mm (140mm included)

Two USB 3.0 and two USB 2.0 front panel connectors, plus headphone and microphone.

Easily accessed front, top, and PSU dust filters.

Excellent cable routing with rubber grommets for clean builds.

Nine expansion slots for multiple PCI-E devices or large motherboards

Maximum CPU Cooler Height 170mm

Maximum GPU Length 450mm

Quick Info


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

Customer Reviews of the Corsair 750D

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  • David K.
  • 7/6/2014 4:35:03 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Easy to assemble, very clean, beautiful

Cons: I can't put a double thickness drive into the 5.25" without bending a little metal. I have an LTO tape drive for backups.

Did you find this review helpful? Yes No

  • Joseph P.
  • 7/5/2014 4:49:56 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat case with lots of space

Pros: Lots of space
Plenty of bays for hard drives
Has 3.5 in hard drive bays and separate bays for 2.5 inch hard drives.
lots of options for fans
lots of room for cable management
grommets included for not cutting the wire.

Cons: none

Did you find this review helpful? Yes No

  • Anthony A.
  • 7/3/2014 10:48:37 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

4 out of 5 eggsPretty close to perfect

Pros: Covered by all the other reviewers so I won't repeat the obvious other than to state that this case was well thought-out and designed - for the most part.

Cons: My only beef is with the top-mounting of a liquid cooling system.
I went with the Corsair H105 and the screw/washer arrangement (provided with the cooling system) doesn't work with this case; the screws are too short due to the depth of the grommets present in the case. You can manage to get things snug if you omit the recommended washers but then you are compressing the grommets from a mechanical engineering stand-point.

Other Thoughts: In a nut-shell, it is obvious that Corsair engineers aren't talking to each other. There is no reason for a premium cooling system not to integrate with a premium case design from the same manufacturer. Docked one egg because of this glaring oversight.

Did you find this review helpful? Yes No

  • Bart H.
  • 7/2/2014 7:36:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSeriously functional

Pros: This case has sooo much room and is so functional it was impossible to pass up for my first watercooling build.
The SSD holders on the back are a stroke of genius. Of course I took mine out because of the moding done to fit my res/pump combo and fit the HDD in the back.
Awesome radiator support and room for plenty of fans to keep the inside cool.
The window is huge and shows off all of my hard work very well.
It is a big case as it is full tower but it's not too heavy. I can lift it with all of my syastem in it pretty easily.
Great fan filters but see cons.
Very easy to build in.
Super clean look, love the brushed Alum. like the restof the Obsidian series.

Cons: Just a couple.
The side panels could have better fit and I would expect it from Corsair.
I would have loved to see hinges like the 760T which I almost bought. I actually dropped the back panel on my foot and ended up in the hosptial getting 3 stitch's in between my toes.
There is no fan filter for the fan mounts that sit behind the PSU. I use an AF 140 for intake and had to steal the filter from my C70 untli I buy and aftermarket filter.
I would have given it 5 Eggs if it had that filter.

Other Thoughts: I have an XT45 360mm rad up top.
A Photon 270 pump/res combo with EK rigid 13 x 16mm tubing with Myhems ICE white pastel coolant and an XSPC Raystorm waterblock all cooling an FX 8350 in a Crosshair V Formula Z ROG mainboard with 8 Gbs of Trident-X 2400 RAM and X-Fired 7870 Devil and R9 270X Devil.
Everything fits nicely and stays very cool.

Look up the Build log "The Devils Own"on OCN if you would like to see what the rig looks like and how I fit the Photon 270 in it.

Did you find this review helpful? Yes No

  • Michael J.
  • 6/29/2014 10:23:12 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBeautiful Full-Tower!

Pros: - Great Design
- Plenty of room for any video card(s)
- Can Manipulate Drive bays as you see fit
- easy remove filters
- Very good for cable management

Cons: - Can take plenty of fans but wish i could add more.

Other Thoughts: The best Full-Tower i have bought!

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

  • Virginia K.
  • 6/29/2014 5:08:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsPhenomenal

Pros: Amazing looks

No tools required SSD installation

Fantastic construction and cable management

Giant side panel window

A lot of dust filters

elevated off the ground for improved airflow

Amazing radiator support, and over an inch of cable management space behind the motherboard.

Cons: None

Other Thoughts: Side note: I installed an H100i in the top, and was expecting to have to replace the top dust filter to make room for the screws before I got the case in person. To my surprise it is connected to the top of the case with some kind of strong magnet outlined around the filter, so I was able to put remove the filter to install the radiator, then just put it on top of the screws resulting in less dust build up inside the case. Great design

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

  • Chandler C.
  • 6/28/2014 11:52:49 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBest Case Ever!

Pros: I have been incredibly impressed with this case, it gives plenty of room, tons of cable management, great air flow, loads of configurations, and is awesome looking while keeping it simple. It has plenty of options and I think it is the perfect middle ground between the 450D and the 900D

Cons: The only cons I can come up with is that the window is a finger magnet, there are no fan filters on the bottom and back, and doesn't provide the best cooling for GPUs. I.E. the bottom fans are not placed in the correct spots to get the most out of an intake on the bottom.

Did you find this review helpful? Yes No

  • Bradford C.
  • 6/24/2014 8:07:26 AM
  • Tech Level: Somewhat Low
  • Ownership: 1 month to 1 year

3 out of 5 eggsNice roomy case with a couple of stupid features

Pros: Looks good has plenty of room.

Cons: Display picture in advertisement is deceptive as, it shows what appears to be the main clear door panel swung out as if it has hinges. In reality you unscrew from the back two standard screw-ins and if your`re not careful the door will just fall off and possibly be damaged. Also you have to remove the front panel of the PC to allow the two fans up front to draw in any air. Easy to remove but, What a useless feature!

Did you find this review helpful? Yes No

  • Anonymous
  • 6/23/2014 3:06:54 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

4 out of 5 eggsit's nice

Pros: Great size, fits everything you want to put in it, and it's overall very nice looking

Cons: The side panels don't seem to attach to the case very well, it's like corsair made the panels to just fall off the case when you take out the thumbscrews. Idk if i'm doing something wrong but they just dont go on right and that's my biggest annoyance with the case

Other Thoughts: If there is someway to fix this side panel problem i would say that i love it but because of it i cant, but it's still an awesome case and im still glad i got it

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

  • Anirudh V.
  • 6/22/2014 8:19:44 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsbig and nice

Pros: So big inside. Quality construction. Cable management dream come true. Also dust filters everywhere make my life easy.

Cons: Some of the default fans aren't amazing, but they do the job. Eventually I did upgrade them but that's because I am air cooling OCD sometimes.

Did you find this review helpful? Yes No

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