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Fractal Design > 
Item#: N82E16811352011

Fractal Design Define Mini Black Micro ATX Silent PC Computer Case w/ USB 3.0 support and 2 x 120mm Fractal Design Silent Fans

  • Steel MicroATX Mini Tower
  • 1 x USB 3.0 / 1 x USB 2.0 / Audio Front Ports
  • Side Air duct
  • 2 (with one 5.25 > 3.5 inch converter included) External 5.25" Drive Bays
  • 6 (Compatible with SSD) Internal 3.5" Drive Bays

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


The Define series is reaching new heights in combining stylish, contemporary design with maximum functionality and noise absorbing features. The minimalistic, yet stunning front panel design, fitted with noise absorbing material on the inside, creates an aura of exclusivity.

As the name implies, Define Mini is the smaller sibling of the acclaimed and award winning Define R4 case. Being a micro ATX version of Define R4, it offers a number of interesting functions with a very stylish appearance. It's a case focused on low noise level, without neglecting other important features such as cooling, expandability and ease of use. The Define Mini excels in including a lot of features in a small size!

The patent pending feature ModuVent™, in which you can choose whether to have fan slots in side and top panels open or not, makes the case appealing for users seeking optimal silence, as well as the performance hungry ones.

The sleek black interior is matched with pre-fitted, dense noise absorbing material on the side panels, efficiently absorbing noise and vibrations. You can fit an astonishing total of six hard drives into this case, using the user friendly HDD-trays. All painted in a nice white color and using black silicone mounts. PSU is mounted in the bottom of the case, with a convenient pull-out filter beneath it.

Define Mini


  • Six 3.5-inch HDD trays, compatible with SSDs
  • Two 5.25-inch bays, with one 5.25" or 3.5" inch converter included
  • On top of front panel: two USB 2.0, one USB 3.0, and Audio I/O
  • Removable filter below PSU (No PSU included)
  • MB compatibility: Mini ITX and Micro ATX
  • 4 + 1 Expansion slots with sleek white painted brackets
  • Supports graphics cards with lengths up to approx. 260mm when removable HDD-bay is in place
  • Supports graphics cards with lengths up to approx. 400mm when HDD-bay is removed
  • Supports CPU coolers with height of 160mm
  • Supports PSUs with a depth of maximum approx. 170mm, when using bottom 120/140mm fan location. When not using the bottom 120mm fan, the case supports longer PSUs - typically 200 - 220mm.
  • Case size (W x H x D): 8.25 x 15.5 x 19.3 inches (210 x 395 x 490mm)
  • Net weight: (9.50kg)

Cooling System

  • Fan controller for 3 fans included
  • 1 rear Fractal Design 120mm @ 1200RPM (included)
  • 1 front Fractal Design 120mm @ 1200RPM (included)
  • 1 front 120mm fan (optional)
  • 1 top 120 / fan (optional)
  • 1 bottom 120mm fan (optional)
  • 1 side panel 120mm / 140mm fan (optional)

Package Contents

  • Define Mini Computer Case
  • Accessory Box
  • User Manual

Additional Information

  • EAN/GTIN-13: 7350041080527
  • Product code: FD-CA-DEF-MINI-BL
  • Also available for System Integrators

What's in the Box

Define Mini

Learn more about the Fractal Design Define Mini

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Fractal Design Define Mini

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  • Gordon J.
  • 5/7/2016 2:03:35 PM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsExcellent case

Pros: This is a very nice looking case. I wanted something simple that looked nice for a home server. The power cable can be routed behind the m/b which makes for a neat interior. The bottom mount position for the power supply worked out great for me since I wanted to use one without a fan. For a micro-ATX case it has plenty of room to work with. This is a quiet case. The hard drive mounts are easy to use.

Cons: The biggest problem is the so called manual. It's more like a brochure for the case. The rubber grommets they used on the case case be too easily pulled from the case. The power LED is rather bright.

Other Thoughts: I added a second fan up front to try and increase the pressure inside the case so the air would flow through the fan-less power supply. It worked out for me. Everything keeps cool.
What would make it perfect for me is to have the depth of the case at around 16-17 inches. Having the depth at 20-21 inches isn't necessary. I would give it 5 stars if it were.

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  • Anonymous
  • 3/25/2016 10:24:43 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsHighly Recommended

Pros: Extremely sturdy and thoughtful design. Very attractive and functional. Even at full price, this case is excellent value for the money. I enjoyed the generous space behind the motherboard tray for cable management, and the well placed pass through grommets. The drive trays are very sturdy and plentiful. The entire case is very substantial, especially the side panels, which are actually 2 layers of sheet metal plus the dense insulation material for sound deadening.

Cons: The included fan controller is adequate, but having it mount in a rear io slot is not the best idea. It's just ugly, and there isn't much you can do to make the cables for it look good. I put mine in next to my gpu, and brought the cables through the PSU mount area to get them behind the mobo tray. It would be really nice if this thing was just part of the front bezel and mounted near the power/reset buttons.

Other Thoughts: This is my second Fractal Design case, the first was a Core 1000 - which I was also thrilled with. It's highly likely that my next case will be a Define XL, because I know it will be designed with enthusiasts in mind and be a joy to build in and own.

Did you find this review helpful? Yes No

4 out of 5 eggsGreat, quiet case with small, niggling issues.

Pros: - Well built
- Very quiet due to the sound deadening material
- Included fan controller
- Generally well built
- Mostly easy to install components

Cons: - The rubber grommets for routing cables! (See Other section)
- Placement of the bottom hard drive. (See Other section)

Other Thoughts: This case could have been exceptional. Could have been. The rubber grommets on the unit I received are prone to falling out at the slightest whisper of a breeze. I found three of them in the bottom of the case when I took it out of the packaging. Trying to put them back in was an exercise in frustration. As soon as you return one to its intended location, it falls back out a few seconds later without any cables being pushed through.

If you are filling all 6 drive slots, the placement of the bottom hard drive drive makes it very difficult to route SATA power and data cables to it without worrying about the stress placed on the connectors. It is very low and quite close to the bottom of the chassis interior so if you use right angle connections (and you really need due to the sound deadening panels on the inside reducing clearance from the inside of the panel to the back of the drive) there is very little room to to get fingers and connectors between the back of the drive and the lip on the bottom of the chassis. I had to get a pair of long nosed needle nose pliers to get the connectors attached.

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  • Anonymous
  • 12/25/2015 7:05:06 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsQuiet and Clean

Pros: Great case! It really stays clean. Dust can be a killer sometimes.

Cons: -hard to explain this first one but the front usb port connectors that are inside the case (They are the white connectors) will pop out very easily if you remove the front panel for any reason. be careful when pulling the wires from the front of the case. you could accidentally unplug them.

-Installing a big gfx card can be difficult with the SSD trays in the way. I just cut those out trays to make room.
-one of the fans has started to whine for some reason. maybe just a dud? I'm not sure.

Other Thoughts: I used this case for a family computer build and it turned out well as my parents just wanted a quiet computer.
maintenance is low for this case because very little dust gets in.

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  • Nathan L.
  • 11/30/2015 4:50:44 PM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsGreat Case

Pros: Dead quite with my liquid cooling systems.
Minimalist look.
Solid feel.
I can't see getting rid of this case in my next upgrade. It's a keeper.

Cons: All minor in comparison to pros for me but
Fan controller didn't work.
Light way to bright, I disabled it.
Feet came off within a month, I have it propped up on household items to allow bottom vents to function.

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  • Michael T.
  • 10/14/2015 7:01:55 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsDecently quiet

Pros: Excellent build quality
Comes with a fan controller
Included fans are decent
Fits my tall CPU cooler (Hyper 212 Evo)

Cons: Fan controller wires are colored, doesn't match the other cables which are black
Can only open front panel from the right side
Only 1 front USB3 port
Power LED too bright

Other Thoughts: The case didn't make things as quiet as I was expecting, but it's a massive improvement coming from my Antec 900 which makes no attempt to be. I'm not a fan of the color scheme, I prefer all black, but you can replace all of the white components. I do think it could be a lot smaller, most people only have 0 or 1 3.5" HDDs, some SSDs and no disc drive, so it could be much shorter in length. Also, the single front USB3 port seems... dated. But overall, the build quality, powder-coated interior and inclusion of fan filters puts it above most in the price range.

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  • JOHN M.
  • 10/1/2015 6:09:52 AM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsHad for 2 years, mic jack just failed

Pros: Good layout. Fits larger video cards. Good options for extra storage and fans. USB3 ready with front and rear plugs.

The main reason I purchased was that it didn't look like some laser light store with front windows. It's not a busy design, which is tough to find among the ones that look like Christmas trees.

Cons: The big ding is that the front mic jack just failed. I use it every other day, and it just stopped

Other Thoughts: Since 2013 or so, there have been more cases designed that are sleek, simple designs.

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

  • Maria S.
  • 8/9/2015 3:20:05 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsnice case but not perfect

Pros: its quiet and looks good. fit my needs perfectly. the little fan controller was a nice thing to add

Cons: theres not a tonne of space in the back. my 24 pin connector barely fit in the back. however theres no window so shoving the cables in the bottom is possible if needed. mine arrived with a little problem though. the wires for the front audio jack cam loose so when i first plugged a headphone into it the sound was broken. i had to mess with it a little to get it to work properly. a permanent fix would take a bit of worm

Other Thoughts: im disappointed about the headphone jack in the front but theres always the audio ports in the back

Manufacturer Response:

Hello Maria,

We're sorry to hear that the audio ports on your Define Mini is not working properly. Included with all of our cases there is a red piece of paper that has the contact information to our Technical Support Team. If you have lost that piece of paper you can contact us by submitting a ticket at:

You can also call our toll free number : 855-446-3722

Our office hours are Monday-Friday from 9am-5pm CT.

Please contact our Tech Support Team and they should be able to assist you in getting a replacement part for your case.

Best Regards,
Fractal Design Suppor

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

  • Derek C.
  • 8/5/2015 6:27:04 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsMediocre

Pros: Quiet, well insulated. Reasonably light weight. Fans and cables are quality feel.

Cons: Overall just a B level product. Numerous design weaknesses. Rubber seals around cable management come out with little effort. HDD tray which has been drilled to fit SSDs doesn't allow enough clearance to actually plug in power and SATA cables to the drive (solved by drilling new holes). Thumb screws don't thread smoothly, causing unnecessary premature resistance. Door feels cheap, doesn't shut solidly.

Other Thoughts: Overall this case just falls flat in a few areas, particularly compared to my other Antec case. It's serviceable, but the weaknesses prevent me from giving more than 3 stars.

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

  • Michael O.
  • 7/14/2015 1:31:23 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood, Hopefully an R2 is in the works.

Pros: It has an excellent design, very good build quality and is silent.

Cons: I wish the fan grills were more flush with the rest of the case, their appearance now is reminiscent of a cheese grater.

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Item#: N82E16811352011
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