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Corsair 300R ATX Mid Tower Case

( 4.6 Average / 59 Ratings )




Part #

(or) CC-9011014-WW


ATX Mid Tower



Includes Power Supply


External 5.25" Bays


Internal 3.5" Bays


Motherboard Compatibility

ATX, Micro ATX, Mini ITX

Front Panel USB 3.0 Ports


Maximum Video Card Length



485mm x 210mm x 449mm

Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Aria PC £61.50 £61.50+
More Computers £65.16 +FREE s/h £65.16
Amazon UK £65.99 +FREE s/h In stock £65.99
( 30 new from £65.99. Last updated 51 minutes ago. )
Novatech £67.99 £67.99+
CCL Computers £69.74 In stock £69.74+
Ebuyer £72.99 £72.99+
Overclockers.co.uk £65.99 +£9.60 s/h In stock £75.59
* 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:


from completed build First Build (aka Broseph Stalin)

Just a good standard metal case. It has 5.25" bay drives, comes with a fan on front and fan on back. Everything fits well. Cable management isn't the easiest with this case but definitely achievable. Love the 2 front USB 3.0 ports and the general openness of the case, allows for great airflow.

from completed build Blue Angel (First Build)

Great case, great value, plenty of ventilation, and everything else you could ask for on a budget case. Nothing can beat it.

from completed build Budget Gaming Build

Great looking case. Has all the bare necessities and the drive bays are very nice.

Complaints: no grommets for the cable routing cut outs No way to use a 240mm radiator

from completed build Green Machine

This case is amazing for a medium build. Plenty room for cable management and or custom loop cooling. I've got room for an extra GPU if I do so desire. 3 drive slots on the front. Plenty 3.5 slots on the inside, and it has great airflow. Support for 240/280mm rads and its even got built in fan filters. However, you will have to supply your own filters for the side intakes... Pantyhoes work fine.

Sturdy construction, and easy to pop off the front panel for cleaning or other work. I plan on keeping this case indefinitely. I dont see any reason to change!

from completed build First Build Gaming Computer

Great Case good airflow comes with two fans

from completed build "Groot" 6700k mid tower

Nice entry level case with good airflow. Spaces for up to 6 x 140 mm fans and 1 x 120 mm fan. Included fans are okay, neither super powerful nor loud.

No fancy side panel window but a large grille for fan(s) pointed at the graphics card or as a passive exhaust vent for an open-air graphics card. Side panels are a little flimsy, so be prepared to wrestle them a little to get them back on.

A 240 mm radiator WILL NOT fit with most mobos. A little ingenuity with twist ties will allow a 240 mm radiator to be hung from the top grille and still have room for the RAM. This will partially block the top optical drive bay, but a short accessory like a fan controller or SD card reader will still fit.

Cable management is tight, but there was enough space for everything after some careful planning.