Cooler Master ATCS 840 Aluminium ATX Case

Internal Layout

Internal Layout
 
Sliding off the side panel the first thing you are greeted with are the two accessories boxes we opened up earlier in the review. These are accompanied by a large white sheet of card that covers the motherboard tray area offering useful information on where to place those motherboard spacers for mATX, ATX and E-ATX motherboards. Overall the internal area of the case looks fairly spacious and shares a similar layout to the popular Lian Li A70.
 
Cooler Master ATCS 840 Inside Cooler Master ATCS 840 Inside
 
Cooler Master have clearly been listening to enthusiasts and have not only made additional holes in the motherboard tray to assist in the tidy routing of cables, but have also placed a large rectangular cut-out towards the top-left of the tray where the CPU would normally sit on a standard ATX (single CPU) motherboard. This enables users of the ATCS 840 to install/remove CPU coolers and waterblocks that require 'hard mounting' with bolts and backing plates, without first having to remove the motherboard. Kudos Cooler Master!
 
Cooler Master ATCS 840 Bottom Cooler Master ATCS 840 HDD Area
 
At the bottom of the case are two 120mm fan grills with the one to the left providing ventilation for PSU's with downward-facing 120mm fans. In both instances the vents are protected with fan filters which is EXTREMELY important when drawing air up from dusty surfaces such as carpets. It's also good to see that Cooler Master have made the fan filters easy to remove by simply pulling a handle and sliding the filter tray out.
 
Although not so easy to make out, the picture above-right shows the hard disk bay complete with a bracket for mounting a further two 120mm fans. While we're sure that most people will be content with the huge 230mm fan keeping their hard disks cool, it's good to see that Cooler Master are giving users the option to turn the ATCS 840 into a true wind tunnel!
 
Cooler Master ATCS 840 Drive Bay Cooler Master ATCS 840 Quick Release
 
For easy insertion and removal of hard disks, Cooler Master have fitted plastic trays to each of the six bays. These act much like the caddy's found in server systems, but without the ability to 'hot-swap' drives due to the lack of an SATA backplane. While the cost of installing a backplane in the ATCS 840 would have been relatively high, this is something that Lian Li have done in their recent X2000 enclosure and in addition to giving users hot-swap functionality, it also allows drives to be installed/removed without needing to remove both side panels from the case.
 
Cooler Master ATCS 840 Motherboard Tray Cooler Master ATCS 840 Bearings
 
Last, but most certainly not least is the removable motherboard tray. This allows a good portion of the system to be constructed outside of the case and then slid back into position for the final few cables to be connected at the end. A common problem with removable trays on most cases is that tall CPU coolers often hinder the reinsertion of the motherboard due to the width of the case. However, as the ATCS 840 is just that little bit wider than your average enclosure, even some of the tallest coolers should fit in without any clearance issues.
 
As we can see from the image above-right, Cooler Master have also opted to use bearings along the tray rails. This makes removal and insertion much more pleasant and reduces the chance of any vibrations/rattle between the tray and the rails when the system is powered on.
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Most Recent Comments

26-11-2008, 08:54:23

PV5150
Wow what a gorgeous looking beast and I agree with the areas that you highlighted for further improvement. I've gotta get me a black one of these Quote

26-11-2008, 10:29:29

SuB
wow that's stunning! i'd easily have one of these with a full black interior possible window or mesh side panel and a BLACK badge... hrm...

I'm due a new case, be nice to have one thats basically ready to go for watercooling too... tempting...

how much is this? i didn't see a priceQuote

26-11-2008, 10:44:14

D-Cyph3r
Been waiting for this review.

Absolutely gorgeous case though, easily able to hold it's own against a Lian Li or Silverstone. I also like how they took all the good bits from the Cosmos S aswell, the tool-less drive bays and radiator-compatible roof particularly.

Also, lovely artwork on the front of the box, if a little out of place.Quote

26-11-2008, 11:02:09

Brooksie
That case is stunning . Love all the little details. This would definitely be in my case wishlist xDQuote

26-11-2008, 11:11:06

MeltedDuron
Wow Jim thats a great review as usual! I think thats a lovely case with some insane cooling, but I dont get how they can call it an ATCS At least to me the ATCS cases were nearly all smallish mid towers with beautifully simple design...

Even though I've butchered it a lot, my old Praetorian (last rev. ATC-201 in black ano) still makes me go wow at the engineering involved, if you took out the fans, switches, LED's and the front IO thing you wouldnt be able to find a piece of plastic in the whole case.

The ATCS 840 is lovely but I don't have one on my christmas list. If anyone from CM can read this (yeah right ) come out with a beautiful mid tower (think ATC-110), and I'll buy one, maybe even two!

On a side note, didn't CM fire the ATCS engineers years ago and they went to work for silverstone?

AlexQuote
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