Enlight EN-5601500 ComboSpy PC Smart 4-Port Fan Speed Controller with Dual Thermal Sensors, Buzzer, and LCD Display

Works with any chassis and either Intel or AMD based system.
User can preset 3 temperature range (min, max, and alert temp) The speed of all fans will be controlled automatically to minimize noise while achieving the desired temperature setting.
Fans cannot be turned off with this unit, but can be run at full speed by de-selecting the fan on the display

Features:

# Intelligent computer cooler and silencer.

# Fits in a standard 5.25" drive bay while making an 3.5" drive bay in its back available for hard drives with undermount screw holes.

# Standard 4-pin power connector with a bypass connector - works with any system configuration with any power supply.

# Support 2 thermal sensors to detect temperature

# Support 4-fan tachometers input and speed control (up to four 3-pin case or CPU fans)

# Built in LCD panel with green color (as shown) backlight to display thermal and fan RPM information clearly in bright or dark room.

# 4 push buttons on front panel to set configuration

# System buzzer provided for system alert