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Cooler Master Cosmos SE Mid Tower Gaming Chassis Now Available – See Features, Specs, Price and Reviews

Cooler Master has recently made available their latest mid tower gaming chassis, the Cooler Master COSMOS SE, featuring a classic supercar design with curbed aluminum handles, just like its COSMOS brothers – COSMOS and COSMOS II. It has lots of cooling options front, top, rear, and bottom, plus it’s fully compatible with liquid cooling solution. The COSMOS SE can support up to 3 radiators at once. There’s also lots of room for storage drives, and even long graphics cards.

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Cooler Master Cosmos SE Features

One thing that I like about the Cooler Master COSMOS SE is the nice blue LED accent. You can see it from its Blue LED fans, as well as in the top front panel section. The COSMOS SE features a superior air and liquid cooling support. Users can install up to 8 fans or 3 different radiators at the same time (120mm + 280mm + 360mm radiators). The two front 120mm blue LED fans comes with on/off control. Aside from the cooling potential, the COSMOS SE features Dual Super Speed USB 3.0.

Inside the Cooler Master COSMOS SE, users can install up to 8 hard drive or 18 Solid State Drives. Users can also install high-end graphics cards like the Radeon HD 7990 or GeForce GTX 690 without any problems. There’s also room for large cable management with an allowance of 34mm.

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The Cooler Master COSMOS SE keeps the dust off from your internal components with its multiple removable dust filters located on top, front, bottom, and side panel. The large slide-out filter below the PSU can be easily removed for cleaning. Check out the rest from the specifications below and the gallery section, and be sure to watch the video review and as well as setting up the COSMOS SE.


Cooler Master Cosmos SE Specifications

Model NumbersCOS-5000-KKN1 (Mesh Window)
COS-5000-KWN1 (Windowed)
Available ColorMidnight Black
MaterialsPolymer, steel, aluminum, mesh front bezel, rubber
Dimensions (W x H x D)263.8 x 569.4 x 524.4 mm / 10.4 x 22.4 x 20.6 inch
Net Weight10.8 kg / 23.8 lbs
Motherboard TypeATX, microATX, Mini-ITX
5.25" Drive Bays3 (exposed)
3.5" Drive Bays8 (hidden)
2.5" Drive Bays18 (hidden; 16 converted from 3.5" bays)
Input Output PanelUSB 3.0 x 2, USB 2.0 x 2, Audio In & Out
Expansion Slots7
Cooling SystemTop: 120/140mm fan x 2 (one 140mm black fan installed, 1200 RPM, 19 dBA)
Front: 120mm blue LED fan x 2 (installed; with LED on/off), or 140mm fan x 1 (optional)
Rear: 120mm fan x 1 (installed, 1200 RPM, 17 dBA)
Side: 120/140mm fan x 1 (optional)
HDD cage: 120mm fan x 2 (optional)
Power Supply TypeStandard ATX PS2
Maximum CompatibilityVGA card length:
with HDD bracket: 276mm / 10.9 inch
without HDD bracket: 395mm / 15.5 inch
CPU cooler height: 175mm / 6.9 inch

Price and Where to Buy

The Cooler Master COSMOS SE COS-5000-KWN1 (windowed version) is available now. You can get it for $169.99 for $155 USD. I’ll post an update when the COS-5000-KKN1 mesh/non-windowed version will become available. I think the non-windowed version will be priced around $150 USD, and it might hit shelves by October 2013.

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Peter Paul
Peter is a PC enthusiast and avid gamer with several years of hands-on experience in testing and reviewing PC components, audio equipment, and various tech devices. He offers a genuine, no-nonsense perspective, helping consumers make informed choices in the ever-changing world of technology.

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