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The Seidon 240M looks similar to most other all-in-one watercooling solutions, but it's completely designed and manufactured by Cooler Master and not Asetek or CoolIT like most other re-branded AIO liquid coolers. Running on a standard fan speed ramp, it's whisper quiet and even at full speed (delivering low-50C temps on a 4 GHz OC) only registers a low hum. With push/pull you can expect even more from this AIO watercooling setup.