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Cooler Master Cosmos II Review

Rating: 9.5.

Today Cooler Master are launching their successor to the ever popular Cosmos computer case, an enthusiast favourite now for many years. The Cosmos II is an updated version, brought screaming and kicking into 2012 with a radical new design. The Cosmos II is classed as an ‘Ultra Tower' measuring a staggering 344 x 704 x 664 mm, able to handle the biggest graphics cards, CPU coolers and watercooling kits. We loved the Cooler Master Storm Trooper case when we reviewed it in November, so we have high hopes that Cooler Master will start 2012 on a very high note.

The Storm Trooper case is a huge design, but it is literally dwarfed by the Cosmos II. The Cosmos II has to be one of the biggest, heaviest cases ever made, weighing 22kg … the Storm Trooper by comparison weighs 13.7kg.

The Cosmos II is crafted around a heavy duty steel cage, with aluminum, mesh and plastic components around it. It supports the full gamut of motherboards, including Micro ATX/ ATX/ E-ATX/ XL-ATX/ SSI CEB and SSI EEB standards and is supplied out of the box with a total of five case fans for the ultimate cooling experience.

If you yearn for a system chassis with the ultimate storage capabilities, then rest assured we don't think there is another mainstream case on the market to compete. Yes, the Cosmos II can accommodate up to 13 x 3.5 inch drives.


I/O Panel USB 3.0 x 2, USB 2.0 x 4, e-SATA x 1, Audio In and Out (supports HD Audio)
Material Aluminum, Mesh, Plastic. Case Body: Steel
Dimensions (W x H x D) 344 x 704 x 664 mm / 13.5 x 27.7 x 26.1 inch
Net Weight 22 kg / 47.4 lbs
5.25″ Drive Bay 3
3.5” Drive Bay 13 (2 from X-Docking, Mid, cage for 5 HDD's, Bottom cage for 6 HDDs
2.5” Drive Bay 11 (converted from 3.5 inch bay)
Cooling System
Front: 200mm LED fan x 1, 700 rpm, 19 dBa
Top: 120mm black fan x 1, 1200 rpm, 17 dBa (converted from 200 mm fan x 1 /140mm fan x 2 / 120mm x 3)
Rear: 140 mm fan x1 (1200 RPM, 19 dBA)
(converted from 120mm fan x1)
Side: 120 mm fan x 2 (optional)
HDD: Mid HDD (120x25mm) fan x 1 (optional) Bottom HDD: 120 mm fan x 2: 1200 rpm, 17 dBa
Expansion Slots 10+1
Power Supply Type Standard ATX PS2 / EPS 12V (optional)
Maximum Compatibility CPU cooler height: 190 mm / 7.48 in
GPU card length: 385 mm / 15.5 in

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