The Cooler Master Cosmos S is a full tower case, so be sure you have the room for it before you buy. The chassis is made from aluminum and weighs about 30 pounds. It’s not a lightweight case that you will want to carry to LAN parties. The Cooler Master Cosmos S has seven exposed 5.25-inch drive bays and four hidden 3.5-inch drive bays converted from three of the 5.25-inch bays.
A total of seven expansion slots are available. The cooling system that comes with the Cooler Master Cosmos S includes one 120mm front fan, one 120mm top fan, and one 120mm rear fan. The left side panel of the case has a very large 200mm fan that spins at 900 rpm and moves 150 cfm. Cooler Master says that standard ATX PS2 PSUs will fit. I was able to get the large PC Power & Cooling 1KW SR TurboCool inside with no issues.
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Review: I4U