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Catalogue

PST

The abbreviation PST stands for "PWM Sharing Technology," which is a system for connecting and synchronizing the control of multiple fans at once. At the heart of the system is Pulse Width Modulation, or PWM. It is a modern method of fan speed control where the motherboard does not adjust the voltage but instead sends a digital signal to the fan. Based on this signal, the fan knows exactly how fast it should spin. Fans with this technology can be identified by the presence of a 4-pin connector. The key feature of PST is that a fan equipped with this technology has an integrated socket in addition to the standard connector for connecting to the motherboard. Another fan can be plugged into this socket, creating a chain. This allows an entire group of fans, for example on a large radiator or in a computer case, to be controlled using a single connector on the motherboard. All connected fans thus run at the same speed because they respond to the same control signal. This solution simplifies the wiring and cable management inside the computer and solves the problem of a lack of fan connectors on the motherboard.

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