The be quiet! Silent Loop 3: Improved and More Efficient Cooling Technology The  be quiet! Silent Loop 3  AiO water cooling is equipped with an advanced cooling block that ensures excellent heat dissipation. The 3-chamber pump design minimizes vibrations and operational noise, while the insulated pump with a 6-pole motor provides quiet and reliable operation.  Two Silent Wing 4 120mm PWM fans  with radiator corners further contribute to an almost inaudible operation. Elegant