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Fractal Design Define R5 w/Window (Black) ATX Mid Tower Case

( 4.8 Average / 44 Ratings )



Fractal Design


Define R5 w/Window (Black)

Part #



ATX Mid Tower



Includes Power Supply


External 5.25" Bays


Internal 2.5" Bays


Internal 3.5" Bays


Motherboard Compatibility

ATX, Micro ATX, Mini ITX

Front Panel USB 3.0 Ports


Maximum Video Card Length

310mm With Drive Cages
440mm Without Drive Cages


520mm x 231mm x 451mm

Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Ebuyer £89.98 £89.98+
CCL Computers £90.80 +FREE s/h In stock £90.80
Aria PC £92.64 In stock £92.64+
Amazon UK £97.41 In stock £97.41+
( 23 new from £97.41, 2 used from £124.93. Last updated 1 hour ago. )
Novatech £101.99 £101.99+
BT Shop £103.58 +£3.49 s/h £107.07
Alza £110.90 +£9.90 s/h In stock £120.80
Scan.co.uk £109.99 +£11.50 s/h In stock £121.49
More Computers £122.02 +FREE s/h In stock £122.02
* Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.

Price History (Excluding Tax & Combo Deals) History:


nickheller 24 points 25 months ago

Built well and looks great . I know own two of these.

only1battman 151 points 24 months ago

This case is exactly what I was looking for. This case a big minimalistic black box that stays quiet no matter what is going on inside.

sight 27 points 22 months ago

Really cool, quiet, and sexy looking.

aschible 16 points 22 months ago
from completed build Latest Gaming Build

I have built many systems in my day but may still be amateur when it comes to the PC building scene but this is the best case I have worked with great cable management and can fit a lot in this case for its size. The modular components allow you to fit the case around your components. The cooling of this case is excellent with noise at a minimum with all 8 of my fans running at low to medium speed. I would highly recommend this case to any one in the market even to those looking to do basic water cooling builds.

philquin24 15 points 22 months ago
from completed build My new friend called Bob.

Solid, sleek understated look, and a good price for it. Good for both air and water cooling builds. Just make note that the window scratches very easily and they cannot be wiped off. So be careful with it or you'll have to live with a scratched window.

heyimblake 15 points 21 months ago
from completed build *insert cool name here* Build

I was having trouble deciding on a case for my build. I eventually went with this and I'm glad that I did! It's super quiet, looks stylish/sleek, and has a large window for easy viewing. Highly recommend.

Lord_Sunday 6 points 21 months ago
from completed build The Black Beauty (1st build)

I LOVE this case. I had a few other options I was looking at, mainly from Corsair, but this case blew all the others out of the water. It is a bit expensive, especially when you're without a paying job, but at the same time, I'm very glad I saved up to get it. There is tons of cable management room, it's very sturdy, and it looks great. I love the size, and the white/black color scheme. I also like the 140mm fans included, as opposed to 120mm.

dasangrypanda 17 points 20 months ago
from completed build Build For A Friend

VERY quiet case, front panel door is a nice addition, also provides good airflow.

The drive mounting bays felt a little cheap but still of acceptable quality.

Pretty sizable case for ATX mid, had to run some cable through the front to make them reach.

TwoScoopsOfPig 29 points 20 months ago

First and best case I've ever had. ...I suppose all of these parts are the first of them I've ever had. But this is a really, really nice case. Everything is clearly thought out a lot by Fractal. No sharp edges; all hard drive cages and optical drive bays are removable; and the grommeted slots are placed well for anything that you could need to run a cable through. The front door's hinges can be switched to the other side, which is very nice. The design has no flashy aspects though; I guess it's a mature case choice. Overall it's great. -Afterthought- Mature it may be, but I guess I ruined that part with the LED lights. Whatever. I'm 15. I like shiny things.

turtle328 18 points 19 months ago
from completed build My First Gaming Build ($1500)

Sleek, easy to handle with, higly customizable, can see all parts through the window. Although it's HUGE it barely fit where my old desktop fitted.