Review Index:

BitFenix Colossus E-ATX Case Review

Author: Steve Grever
Manufacturer: General

Features, Packaging, Included Accessories


Ready for the Future

The next generation of USB connectivity is here. Equipped with two USB 3.0 ports, Colossus allows you to connect an ever-growing number of USB 3.0 devices and experience data transfer speeds up to ten times that of USB 2.0. With USB 3.0 already built-in, Colossus can last you several upgrades, further future-proofing your system.

At Your Command

Designed to be the center of your digital domain, Colossus puts you in command with a PWM fan controller and multimode light controls. Tune your fans down for silence or up for extra cooling. Select your desired lighting color or turn them off completely. With Colossus, control is always at your fingertips.

Advanced LED Lighting System

Perhaps the most striking feature of Colossus at first glance is the advanced LED lighting system. Not only is the light evenly distributed for a truly inspired look, but the LED color is also dual-mode, which means that users can switch between red and blue lighting with the touch of a button.

Unmatched Security with BitFenix S3™

Colossus introduces a BitFenix exclusive – S3. S3 is a storage compartment and security system in one. Place your iPhone, hard disk, or other valuables in S3 and lock them away for safe keeping. S3 will even lock down peripherals like USB mice and keyboards plugged into it, and secure everything under lock and key. Simple, safe and secure – that’s BitFenix S3.

Complete Cable Management

Messy cables not only look bad, but they can also restrict airflow in a chassis. That’s why Colossus is designed to manage cables both inside and out. Keep cables from cluttering the inside of the chassis with Colossus' strategically-placed cable holes. Prevent cables from getting caught in opening optical drives with the unique cable-holding front bezel.

Epic Expandability

Colossus gives you the space to build your own supercomputer. Capable of accommodating eight PCI express devices and seven 2.5" SSDs or seven 3.5" hard disk drives, Colossus is ready for multiple upgrades – perfect for a rig of epic proportions.

Massive Cooling

When the action heats up, your system needs to keep its cool. Colossus can be outfitted with up to two 230mm fans, three 140mm fans, or three 120mm fans, meaning huge cooling potential for all system components.

Easy Installation

Big doesn't have to mean unwieldy. Featuring a motherboard CPU cooler cutout on the motherboard tray, specially-designed motherboard standoffs, and an almost completely tool-free design, getting your system up and running with Colossus is a joy. Large yet welcoming, if Colossus reminds you of a friendly giant, we wouldn’t blame you.




The Colossus comes in an attractive retail box, but unfortunately BitFenix forgot to put a studio shot of the case on the front panel. I prefer to see a large photo of the case on the main section of the box, but they have other images on the rest of the packaging so I'll hold judgement on that until I see the rest of the box.


On the back panel, they added several studio photos of the exterior and interior of the Colossus as well as a diagram of the case's cooling features. This is definitely more attractive than the front panel and gives consumers more information to help them with their purchasing decisions.


The left panel includes another nice photo of the Colossus and the case's technical specifications.


We opened the retail box to evaluate the shipping material and overall we were very pleased with the layered foam and plastic used with the Colossus. The foam used with this case is a bit softer than the usual Styrofoam.


Included accessories

The accessories BitFenix bundled with the Colossus were decent and included this bracket above that can be used in one of the optical bays or the back panel to house an optional 120mm fan.


They also included some zip ties to help with cable management and all the screws and standoffs a user will need to complete their build. They also added a USB 3.0 header to connect the two USB 3.0 ports at the top of the front panel.


Lastly, BitFenix threw in these unique cables to secure your graphics card in the Colossus. BitFenix said these cables were designed to support larger graphics cards that may wobble or fall out completely when someone tries to transport their PC to LAN parties or other events.

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