12V PWM Fan Speed Controller Digital Display Temperature Control A5
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$44.24at keszooxChecked Nov 2
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This is a small inline controller for 4-wire PWM case fans running on 12V DC. It reads a temperature probe and adjusts fan speed automatically across a 1-100 PWM range, and its display shows temperature and fan RPM in real time. It suits PC builders and small-case modders who want quieter, temperature-driven airflow without a full fan hub. Against basic fixed-voltage fan controllers it adds a readout and automatic low-temperature shutdown; it is a bare module, not a finished bay-mounted panel, so it needs wiring and a place to sit.
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Lowest price we've seen: $44.24 on Nov 2 at keszoox. Tracked across 1 store since Nov 2.
This is a 12V PWM fan speed controller with a built-in digital display. It controls the speed of 4-wire PWM fans based on temperature, and it shows the current temperature and fan speed so the operating state can be monitored in real time.
It can shut a fan off at low temperatures for fans rated up to 3A, and it supports inverse timing fans. The display reads fan speeds up to 10,000 RPM, with a theoretical maximum of 30,000 RPM. The small body is made for compact spaces and for chassis air cooling systems.
It works only with 4-wire fans that use a standard PWM control signal (25 kHz, 5V), such as many chassis, CPU and server fans. It cannot control 2-wire or 3-wire fans.