Cooler Master has expanded on the Mobius Series performance fans with the new flagship model, Mobius 120 OC. The Mobius 120 OC features premium design and materials to deliver unprecedented quiet cooling performance. The upgraded Double Ball Bearing and metal motor hub guarantee high performance up to speeds of 3200rpm. We give you performance you can be confident in, and back it up with our lifetime warranty. Switch your experience into overdrive with the Mobius 120 OC.