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Fractal Design > 
Item#: N82E16811352025

Fractal Design Define R4 with Window Arctic White Silent ATX Mid Tower Case

  • Steel ATX Mid Tower
  • 2 x USB 3.0, 2 x USB 2.0 and Audio I/O front panel ports Front Ports
  • Side Air duct
  • 2 x External 5.25" Drive Bays
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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The Define R4 is the latest in the Define series of silent computer cases. Building on the award-winning foundation of the Define R3, the R4 retains minimalistic yet elegant styling with extraordinary performance, noise reduction features, premium build quality and unparalleled value in this price range while adding a suite of innovative new features.

No longer are you forced to choose between silence and support for liquid cooling, the Define R4 offers both. Top fan positions now allow slim 240 radiators to be mounted internally and select slim radiators can also be mounted in the front fan holder. An integrated fan controller is easily accessible behind the front panel, putting fan control at your fingertips. Cable management and intelligent layout are taken to new levels with the option of mounting up to two 2.5in, SSDs on the reverse side of the motherboard tray, effectively mitigating visible cable clutter. When it comes to cable routing, the Define R4 has it covered. Over one full inch of cable routing space behind the motherboard plate has been achieved by widening the case by just 8mm.

This mid-tower case is a great choice for everything from gaming enthusiast systems to silent home theater and corporate applications. The R4 comes pre-fitted with dense noise absorbing bitumen material on the front, top and side panels. The exclusive ModuVent TM System provides three panels which also have noise-absorbing material; these panels can be removed to expose three air vents for additional fans for high air flow applications. Rubber padding on the case feet, anti-vibration pads for the power supply and HDDs also help reduce noise.

Configuration flexibility is enhanced thanks to two hard drive cages (featuring steel drive trays with black silicone mounting grommets) that support a total of eight 3.5in. HDDs or 2.5in. SSDs. The top five-bay cage is easily rotatable and removable; removing the top cage allows support for graphics cards up to 470mm in length. The bottom three-bay cage is mounted to the chassis by screws instead of rivets, allowing you to easily remove both drive cages for complete flexibility. The spacious sleek black interior can support CPU coolers up to 170mm high. If cooling becomes more of a priority, this system can support up to seven fans with removable, washable filters to provide airflow from five sides of the case. The case also includes cable routing cutouts with improved rubber grommets to ensure greater fit and retention. The bottom of the case has a filter over the power supply and 120/140mm intake fan vent which can be easily removed for cleaning.

  • newegg Fully Transparent Side Panel Window The acrylic window side panel features the same clean, Scandinavian design as the case itself, and has a completely flat outer surface without any plastic bezel or rivets, allowing you to display your setup in style.
  • newegg Optimized for Noise Reduction Pre-fitted with dense noise-absorbing material, the R4 also features ModuVent panels which prevent noise from escaping unused fan vents when silence is required. If cooling becomes more of a priority than noise reduction, the ModuVent panels can be removed to expose additional air vents for optional fans.
  • newegg Support for Liquid Cooling You no longer have to make the choice between liquid cooling and silence, the R4 offers both. Top fan positions now allow slim 240mm radiators to be mounted. Select slim radiators can be mounted in the front fan holder (requires the bottom HDD cage to change position).
  • newegg Innovative SSD Mounting Options Hide those drives! Take cable management and interior cleanliness to a whole new level. Mount up to two 2.5in, SSDs out of sight on the back side of the motherboard tray.
  • newegg Integrated Fan Controller Fan control at your fingertips. The integrated fan controller is easily accessible behind the front panel and manages up to three fans, allowing you to tailor the fan speed to your needs.
  • newegg Advanced Cable Management Over 1in. of space behind the motherboard plate means cables can be conveniently routed through five rubber grommets into a generous compartment behind the motherboard to reduce cable clutter and improve airflow.

Learn more about the Fractal Design FD-CA-DEF-R4-WH-W

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Fractal Design FD-CA-DEF-R4-WH-W

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  • CODY G.
  • 8/10/2014 11:55:51 PM
  • Tech Level: Somewhat Low
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNo Regrets

Pros: Used in my first build ever with very little knowledge of computer assembly. Installing parts and managing cables was a breeze

Cons: None

Other Thoughts: The inside is also fully painted which is aesthetically pleasing but a little difficult to get screws to thread into.

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  • Alexander S.
  • 7/18/2014 7:53:06 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner


Pros: Built like a tank
All screws are included
Slide-in HDD bays
Air filters
Built in fans
Very high quality

Cons: Power supply on the bottom means my power supply cables no longer reach proper connections on my motherboard. Now I need to buy a power supply with longer cables

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  • Jose G.
  • 7/11/2014 8:43:16 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Solid case well built, beautifully designed, space for all your components, and more. I bought the white w/window
looks awesome.

Cons: Door isn't the best design they could have done better

Other Thoughts: I thought I would have a problem installing components in this case, but it has lots of space for anything you might want to put in. Cable management is a breeze.

Did you find this review helpful? Yes No

  • Jared C.
  • 7/6/2014 1:59:17 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWay to go Fractal!

Pros: *Large but not as big as my HAF X and can support almost everything the HAF X can if not more
*Very VERY clean looking and looks great with almost any components.
*Can support up to 10 SSD's (counting the 2 on the back of the Motherboard tray) or 8 HDD's and 2 SSD's! That's FANTASTIC!
*Can support up to 6 fans with Windowed version and 7 without the windowed version.
*Can support up to 2 240 Radiators and you can move the bottom HDD cage to make room for a bigger radiator in the front.
*Supports Graphics Cards up to 11.6" (If you have a bigger card than that then you shouldn't be buying a desktop case!)
*Integrated fan controller makes for easily silencing up to 3 fans and effectively does so without jumping through loops.
*Building in this case has been by far the easiest installation of components I've ever done. Also is very friendly to first time builders.
*Cable Management is a no-brainer and you really just have to route the cables and they already appear very clean without spending hours zip tying cables.
*Comes ready for future upgrades and has a lot of room for expandability.
*Supports Fully Modular PSU's no problem!
*Comes with a fully loaded front I/O of 4 USBS (2 2.0 and 2 3.0) with a nice power button and a reset button.
*Side panels are very sturdy and do not feel cheaply made at all.
*Powdercoat is a very pretty white and the window compliments it nicely.

Cons: *Red power activity light is an ugly red/pink/orange but I soldered a White LED to it and it looks much better! (Something to keep in mind Fractal)
*Price is a little steep, I think $100 is right on the money versus $120 but still reasonable as compared to Corsair and other companies that have cheaper products but are more money.
*The factory powdercoating is a little overdone which makes for a bit of a problem as you have to hit the back of the panel to make it go all the way up for the screws to come on but at this point I'm just nit picking.

Other Thoughts: Overall I'm EXTREMELY satisfied with this case and do not regret anything! I would buy this case again and will recommend it to others looking to build a computer!

System Specs:
ASUS Maximus V Formula Z77
Intel i7 3770K @4.5GHZ
EVGA 770 Classified 4GB
16GB Gskill RipjawsX 1600MHZ
2x Plextor M5P Extreme 256GB
1x Samsung 840 Evo 250GB
1x Western Digital Green 2TB
Cooler Master Silent Pro Hybrid 850W *Fully Modular*
Fractal Design Define R4
All purchased from Newegg!

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  • Raven H.
  • 6/11/2014 7:20:10 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsOkay....

Pros: Color
Hard drive bays
Power supply mount locations
USB connection
Wiring channels
comes with good quality fans
Clear side window, only reason I bought this model to replace my older version case
One extra usb plug in front of case
Has a reset button (not available on previous model

Cons: MB mount pin twist off of case, had to drill through the thread to remove broken pin, the factory pre drill hole was too small with 2/9 holes for ATX mounts.
Front face plate of case upper portion plastic latch is loose, I can just pull slightly and it prys open leaving 2 mm gap
Front fan compartment open latch is poorly designed from previous model I already own, requires to press open two corners instead of just one
Not aluminum, made of steel, makes it heavy

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  • Thomas T.
  • 5/31/2014 10:23:29 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsLong-term update

Pros: Built like a tank, silent, and dust-free

Cons: If the bottom dust filter could be pulled out the side, instead of the back, would make cleaning a bit easier.

Other Thoughts: I have mine set up so that it cools primarily via heat convection. The top vents are open, the rear exhaust is closed off, and the bottom and front intake spots all have 140mm fans, all spinning as low as the PWM will let them.

The i5 3570K is running at stock speeds, as is my Radeon 7850, and everything is slightly undervolted. I wanted mid-range, powerful components and longevity, so no overclocking for me.

Very happy with this case and its quietness.

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  • Benjamin T.
  • 5/21/2014 4:58:59 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBuild Quality

Pros: I bought this a computer I built for my wife. I have never bought anything by Fractal before so was only going on what I read online. I was blown away by the quality and attention to detail of this case. It's not too big, but has plenty of space for good air flow and wire management. Not to mention it looks good.

Cons: None.

1 out of 2 people found this review helpful. Did you? Yes No

  • Erik B.
  • 4/4/2014 1:25:50 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsValue for High Quality Case is a Steal!

Pros: It's amazing how much further your dollar goes when you save up for a case like this. After purchasing the Define R4, there is no going back to cheap cases. The Define R4 gives you a clean professional look that strays away from the wonky alien-like designs so many cases have today. The side window variant is a must-have due to the generous cable management area that Fractal Design implemented. Removable center hard drive cages are implemented for large graphics cards, however my Twin Frozr GTX 760 fits without a problem. A vertically designed expansion slot is ready for an auxiliary lighting switch; I use a blue LED light bar that illuminates the entire case and certainly showcases the rig with the large side window. The sound dampening is generous and very effective; I couldn't tell if my system was on if the power LED was off. Even while gaming, I have to try to listen for fans. I could go for days talking about how great of a case this is; I know I am certainly keeping for builds to come.

Cons: Very slight ocassional buzzing when I had a 3.5" hard drive installed in the bottom cage. I have since changed my storage to an SSD so I don't have complaints for drive vibration anymore; might be a fluke/easy fix for my case.

Other Thoughts: I feel this may be that "sweet spot" for computer cases. Just like an old diesel Mercedes-Benz, it's built with clean lines, thoughtful engineering, and tough as a rock. Purchasing this case is a no-brainer.

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

  • Chase H.
  • 3/4/2014 6:52:34 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSuch a nice case!

Pros: I got this case out of the box and it looked beautiful! I was so excited to build with this case! All of the screws and standoffs were easily locatable and it was easy to put together. I moved the back fractal fan to the front for a dual intake and instead of screwing it in there, all I had to do was pop the fan in clips and then slide the dust filter back on and it was installed. VERY conveinent space to bulid in.

Cons: Not to much to say bad about this case other than the very minimal cable management space behind the case because of the sound dampening material. Had to squeeze the back panel on to make it fit.

2 out of 2 people found this review helpful. Did you? Yes No

  • Joseph G.
  • 2/10/2014 7:15:19 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Case

Pros: Very Quiet, fits all my fans comfortably and allows easy cable management with the slits in the case to run power cables and sata cables through.

Cons: None, researched heavily for cases this one is awesome.

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

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Item#: N82E16811352025
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