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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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  • 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.

Did you find this review helpful? Yes No

  • 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.

Did you find this review helpful? Yes No

  • 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 2 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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  • Michael R.
  • 7/2/2015 8:20:13 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsI so want to love this case...

Pros: It's gorgeous... the silent paneling is a nice touch, and the layout is 90% there, aside from a few niggles.

I would definitely use this case again if it were for someone not using extra video cards, and that didn't need extra fans.

Cons: The motherboard support cutout is 3/4" too high to use, this should come down to about the first addon slot.

The area behind the motherboard is too cramped, had to reroute my main mb power cable in the front, as it wouldn't fit behind, as it is, could really use an extra 1/2" here

No support for 240mm radiator, and 120 only works in top position. I used an H55, and could only mount it in the top position, and even then it blocked the release for the EPS connector.

The "SSD" screws included are too long, and didn't mount properly... fortunately, I had other SSD screws to use.

The tool for the motherboard standoffs was about useless, and difficult to use.

Other Thoughts: If the case were 1/2" wider (with room behind the motherboard) and maybe an inch taller, or deeper so a 240mm water cooler could be mounted in one of those positions it would be a nearly perfect case, as it stands, don't use this if you are water cooling.

The fan controller should be changed to support PWM 4-pin connectors, had to cut the side off to be able to connect my fans. Also, while the intended fan controller slot is a nice addition, it really doesn't function well, the rear fan blocks the access, which I needed pliers to remove the screw it was so tight, and the cables really don't have a place to go except over the top of the power supply.

Also, with the variety of screws, it would be nice if they were bagged separately.

- this case
- msi z97m-G43
- i7-4790k
- corsair h55
- 32gb ddr-1600
- msi GTX-970 4G
- 4x 480gb ssd (seagate 850 evo)
- CM CX-600M PSU
- 4x CM Jetflow fans

All in all, it was a nice, if somewhat frustrating build.

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  • Donald T.
  • 6/25/2015 12:54:54 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGood Case with a minor annoyance

Pros: Very good silent case.

Cons: Just a minor issue with the mb standoffs.

Did you find this review helpful? Yes No

  • Jeremy O.
  • 6/14/2015 6:56:39 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsQuiet, some design problems

Pros: Good looking
Very quiet
Includes 2 quiet fans

Cons: Cables inside front panel are too short, interfere with installing optical drives.

Other Thoughts: Its quiet, conservative looking, but has some design issues that give me pause.

Did you find this review helpful? Yes No

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Item#: N82E16811352011
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