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Fractal Design Define R6 USB-C Blackout Brushed Aluminum/Steel ATX Silent Modular Mid Tower Computer Case

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  • Optimized for silence with high-density industrial dampening
  • USB 3.1 Gen 2 Type-C
  • Reversible front door with anodized aluminum cover
  • Nexus+ Smart Hub controls up to 6 extra case fans and 3 PWM devices
  • Three silent high-airflow Dynamic X2 GP-14 140 mm fans pre-installed
  • Supports rads up to 420mm up top, 360mm in front, and 280mm in the base
  • Power supply shroud and Modular Storage Plate conceal drives and cables
  • Support for EATX boards up to 285mm wide
  • Third generation ModuVent technology

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews
Fractal Design logo
Define R6 side view of four different colors

Designed from the ground up, the Define R6 goes beyond iteration with a profound stride of innovation—the latest and largest step in the legacy of the world-renowned Define Series.

Sound-dampened steel panels encase a fully redesigned interior with more storage capability than ever before, and with nine fan mounts, a PWM fan hub and 420mm radiator support, the R6 is the perfect platform for building your dream water loop. Improved third-generation ModuVent™ technology allows an effortless transition from the metal-clad, sound-dampened top panel to filtered high-airflow, multi-fan ventilation.

Expanding on the timeless elegant form and silent modular function that brought so much success to its predecessors, the new Define R6 offers the most demanding hardware enthusiast a solid foundation and flexible framework with limitless potential.



Define R6 has won many awards
Features icon
Define R6 have four USB 3.1 Gen 2 Type-C ports close-up

type-c connector

USB 3.1 Gen 2 Type-C supports fast charging and up to 10Gbps transfer speeds.



Brushed Aluminum

A reversible front door with anodized aluminum cover provides adaptability with elegance.

Define R6 quality with high-density industrial dampening Side view

The Strong, Silent Type

Rock-solid build quality with high-density industrial dampening delivers studio-worthy sound supression.

Define R6 IO ports close-up
Define R6 Third Generation ModuVent Technology gives users the choice

Third-Generation ModuVent Technology

An advanced new design gives users the choice between a soundproof steel cover or filtered multi-fan ventilation in the top panel.

Define R6 interior supports structure maximum storage capacity or the new Open Layout

Two Cases in One

Easily convert between the Standard Layout for maximum storage capacity or the new Open Layout for superior water-cooling support and a clear path of airflow.

Define R6 interior arrange drives and conceal excess cabling for a clean, clutter-free

A Place for Everything, and Everything in its Place

The ventilated power supply shroud and Modular Storage Plate offer a multitude of mounting options to arrange drives and conceal excess cabling for a clean, clutter-free interior.

Define R6 includes six universal drive trays front view

Modular Versatility

The highly modular interior of the R6 includes six universal drive trays that can be independently repositioned to suit components, cooling and cable routing.

Define R6 Vertical Expansion Slots side view

Vertical Expansion Slots

Showcase your graphics hardware with full visibility.

Nexus+ Smart Hub

The new Fractal Design Nexus+ smart hub offers superior fan control of six additional case fans plus three PWM devices via your motherboard.

Define R6 offers superior fan control of six additional case fans
and three PWM devices

Extensive Water-Cooling Support

Liquid-cooling options abound with support for radiators up to 420mm on top, 360mm in the front and up to 280mm in the base.

Standard Layout comparisons with Open Layout Define R6 disassembly diagram
What's included icon
Define R6 front view and removable components and three dynamic X2 GP-14 fans Define R6 accessory box contents icon and numbers Define R6 TG Accessory - BK, GY, WT, TGD + FLEX VRC-25 Vertical PCIE Riser + Adjust Rl ARGB LED Controller + Prisma AL-12 PWM ARGB Fans + HDD Drive Tray Kit - Type A - Black, White + SSD Bracket Kit - Type A - Black, White

Learn more about the Fractal Design FD-CA-DEF-R6C-BKO

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Good Case 7/5/2020 2:21:05 PM

Pros: Quiet. I hear the optical drive on startup, after that nothing. Everything is solid. The delivery driver dropped the box (he was trying to carrying it one-handed using one of the hand holes), but nothing was damaged thanks to the good packaging. The screens are easy to remove for their monthly cleaning. Arrived sooner then expected. After I had all the parts, it only took an evening to do the build (and it would have been done sooner if I had sequenced things better).

Cons: The manual takes a little studying to understand. It is similar to Ikea instructions. The space behind the motherboard is a little tight for all the cables, but it works. I stripped one of the screws for the optical drive - it would have been nice to have an extra.

Overall Review: Good quality, quiet, lots of space, plenty of front panel connections.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
WOW WHAT A CASE 7/2/2020 7:14:16 PM

Pros: WELL DONE. SOUNDPROOF. FULL OF SLOTS FOR EASY INSTALLATION. THE FANS ARE VERY QUIET.

Cons: LITTLE BIG.

Overall Review: WELL DONE. SOUNDPROOF. FULL OF SLOTS FOR EASY INSTALLATION. THE FANS ARE VERY QUIET.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Excellent Case! 7/1/2020 11:33:20 AM

Pros: Well built, strong, optical drive bay, three fans, nice looking, can take 4 SSD 2.5, and 6 Hard Drives, the power supply is covered, 2 USB 2.0, 2 USB 3.0 and 1 USB-C,...

Cons: A little too big! It would be nice they could trim it a little bit!

Overall Review: An excellent case! I love it so much!

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Fantastic minimal case that doesnt have the attrocious RGB garbage. 6/27/2020 11:35:56 PM

Overall Review: No complaints. Amazing Case.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Can really see where the money goes in the construction 6/27/2020 8:32:06 AM

Pros: Super quiet
Modular
Attractive
Great routing features

Cons: None

Overall Review: Fantastic case. It's my favorite part of the new build I just did. The whole thing is incredibly well laid out with tons of drive space and clever rubber protected routing options. The thing my wife loves is just how incredibly quiet it is compared to my old build. The deadening panels make a big difference and being able to pop the top to really blast the airflow when needed is a nice option.

Bottom line, I already love this case so much I put another on order for my brother in law's birthday. You'll love it, just put it in your cart already.

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Ownership: 1 week to 1 month
Verified Owner
4/ 5
I am very happy 6/20/2020 11:19:22 PM

Pros: It's a PRETTY case. High quality built. ODD slot. Options galore. Sturdy. Huge but not so big that it is unusable. LOTs of FAN options!

Cons: I don't understand why i still HEAR so much. The sound proofing padding is all over yet i can hear everything.

For user manual, title and headers are english, yet instruction details are not. Makes no sense! Not that you need instructions. If you are an average to experienced builder you can figure s__t out on your own.

Overall Review: I knocked off one star because its not as quiet as led to believe.

This case is sturdy and HEAVY. It is a pleasure to build with. You can put a thousand drives in the HDD rack (well not really a thousand but seems like it).

I took the HDD rack out for cooling air flow. There are so many options for SDD and legacy hard drives, you don't need the rack!

There are so many places to tuck wires which makes air flow at a premium. My only gripe is that even with all of that temps are better but not THAT much better than with my old case. Dropped only 2C max. Maybe my old case was better than I realized for airflow - i dunno.

It is loud. You can hear everything. I bought two loud 140MM nactua 3000RPM fans for the front of the case, thinking sound would be muffled but it wasn't at all. In the end, i removed the front door, and top cover because it didn't help at all with sound and gave me extra air flow. The 140mm fans that came with the case were so quiet and effective that i bought a couple more of them and loaded my case.

Bottom line: I am really happy with this case. If you want beauty, options, space, quality, HDD and ODD space this is the case for you. If you want optimal air flow and don't need an ODD slot, there are certainly other options out there. But don't get me wrong, this is still a cool flowing case, just not to the level i expected. I am running at 43-45C on idle and with light load with an 8350 AMD CPU with 5 fractal 140MM fans, and one antec 120MM fan (you can't run 2 140MM fans up top with an ODD drive, one of them must be downgraded to a 120MM).

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Beefy 6/19/2020 5:18:13 AM

Pros: Quiet!
Quiet!
Quiet!

Cons: Had a bit of trouble getting the motherboard to align. Don't know if it was the case or if I didn't have the IO shield all the way inserted.

Overall Review: Building in this thing was a breeze. I built a NAS out of old parts I had lying around and stuffed it all into this case. I wanted something quiet that I could fit six HDD into. It was a bit more than I wanted to spend, but after reading all the good reviews and it getting a good review from Tech Je5u5 (Steve), I decided to purchase it. I have six Seagate IronWolf 4TB NAS HDDs and two 128 GB SSD mirrored boot drives... which is exactly how man drives that can fit into this case.
The fans that come with this case (3x140mm) are super quiet. In fact, everything about this case is quiet. With all the drives, three fans plus the CPU cooler (Noctua NH-U14S), it's barely audible.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Good Quality and Design 6/18/2020 8:45:50 AM

Pros: I really liked the design and layout of the case.
Installing components was very straightforward and allow for cables to lay naturally together out of the way without needing to be strapped down.

Cons: Some of the instructions could provide a bit more detail.

Overall Review: Overall I am very pleased with this case, hopefully it will last as long as my previous case which was over 15 years

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