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Excellent construction quality.
Three 230 mm & one 120 mm fan included.
Plenty of space for big GPUs.
Sweet pop up top I/O.
Plenty of head room for large CPU coolers.
Water cooling ready includes mounting system.
Very high build quality.
Lots of cooling.
Removable motherboard tray.
Dual Power Supply and EATX support.
Removable HDD tray with large CPU hole.
Builtin radiator support.
Front covers tend to fall into the chassis too easily.
Black box in the rear rather useless.
Screws to secure expansion cards are placed outside of the chassis.
External drive bay locks don't hold as well as traditional screws.
Very round and bloated.
Mildly annoying front shield blocking the front panel fan filter.
Rear fan box ineffective.
Side panels seem flimsy and could use a little extra thickness.
Expansion slots stick outward from the case may be hard for card installations.
By TechwareLabs on February 04, 2010
CoolerMaster’s ATCS 840 is an amazing case. I would highly recommend this case as long as you have the floor/desk space for it. Once all the internals are inside you wont enjoy toting it around as it is quite literally an armful (or in my case a...-
By techPowerUp! on January 25, 2010
Back in 2001, the ATCS series made big waves and Cooler Master was known for uncompromsing quality and innovation with the entire series. Nowadays with the changed economic structure and crowded case market, the ATCS 840 does still hold true to those...87
By 3dGameMan on November 03, 2009
Video Review: The Cooler Master ATCS 840 Case is one of the very best full-tower cases on the market. It has all the right ingredients; excellent air circulation provided by three 230mm fans and one 120mm fans (more optional fans can be added), dust...-
By Pro-Clockers on July 06, 2009
To begin with the Coolermaster 840 ATCS will set you back about $250 or so but I will also begin with telling you that it is well worth it. It is not often that you will find a case that easily fit as many standards as the 840. Size is one of the...-
By Verdis Reviews on June 29, 2009
This case really is a winner; despite being launched back in 2008, it is still able to hold its own and offer much more than one can imagine. For a start, all the basics are done well; everything is functional and very easy to use.The classical...100
By Maximum PC on May 10, 2009
The latest hit from an old favorite! We loved the features of Cooler Master’s HAF case but weren’t thrilled with its looks. Now comes the ATCS 840, billed as a “classic” model by Cooler Master. It combines the useful amenities...90
By Pureoverclock on March 11, 2009
Its always interesting to look back on things from yesteryear; we tend to focus on the positive and gloss over the negative, perhaps in an effort to paint a more pleasing memory and enhance our current place more fully. Its usually a good notion, a...98
By Motherboards.org on March 06, 2009
Cooler Master did it with the HAF 932 case I reviewed last year and has done it again. For those wanting the ultimate in cooling solutions this case has no less than 7 fan spots with three of them being of the 230mm variety. The removable motherboard...-
By PCShopTalk on February 19, 2009
At first I want to thank Cooler Master for sending the ATCS 840 full tower case for reviewing and testing purposes.In this review I will take a look at the ATCS full tower case from Cooler Master which is massive, has a lot of included fans and...-
By TweakNews on February 10, 2009
With the original ATCS chassis, Cooler Master brought the first truly custom alloy case to the market. Their ATCS 840 Classic has proven to be a worthy successor. With classic good looks and superb build quality, the 840 is poised to make as big an...-