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Fan Controllers
FrozenCPU has a large selection of pc fan controllers for controlling your computer fan speeds individually. Computer fan controllers are ideal for controlling the amount of noise your pc case fans generate.

We have pc fan controllers that fit into your 3.5" or 5.25" bay slots on your computer. We also have a wide selection of pc thermal controllers, pwm fan controllers, rheobus fan controllers and DIY fan controllers.


Manual 12V Variable Speed Controller - 4-Pin Molex Connector to Dual 3-Pin Fan Connector
Manual 12V Variable Speed Controller - 4-Pin Molex Connector to Dual 3-Pin Fan Connector Control any of your 3-Pin fans manually with the Manual 12V Variable Speed Controller. Great for case fans and liquid cooling pumps. Equipped with a male molex and dual male 3-pin connector this unit bridges the power connector on the device and allows control of the fans/device via the control knob. A full range of settings are available from O...
25 In Stock, Ships Today Till 6pm EST
$9.99
Lamptron Hummer 5 Port Military Switch Baybus - Silver
Lamptron Hummer 5 Port Military Switch Baybus - Silver The Lamptron Hummer 5 Port Military Switch Baybus uses machined aluminum to organize five, high-performance toggle switches that can handle 100 Watts of power each. Green acrylic windows add to the aesthetic of the brushed aluminum face plate and chrome switches. Put a light behind the panel and you'll be treated to an interesting green glow fr...
18 In Stock, Ships Today Till 6pm EST
$39.95
NoiseMagic ThemoControl NMT-3 w/ 3-pin Connector
NoiseMagic ThemoControl NMT-3 w/ 3-pin Connector The NoiseMagic ThemoControl NMT-3 screws directly on to the corner of the fan you want to control and then modifies the RPM of the fan depending on the temperature that it reads on the temperature probe. Comes in two versions, the space conservative solder on version, or the easy to install 3-pin connector version.
47 In Stock, Ships Today Till 6pm EST
$15.99
Zalman ZM-MFC2 Multi Fan Controller - PWM Fan Ready
Zalman ZM-MFC2 Multi Fan Controller - PWM Fan Ready The Zalman ZM-MFC2 Multi Fan Controller features an animated color display that gives you real time information about power usage, temperatures and fan speeds. The unit lets you adjust the fan speed for four different fans, including one PWM fan. It also has an alarm system to warn you if a fan stops operating.
3 In Stock, Ships Today Till 6pm EST
$57.55

Fan Controllers Categories
3.5" Controllers 5.25" Controllers 
DIY Controllers ESA Certified Controller 
High Watt/Amp Controller Multi Fan Ports 
PWM Controllers Rheobus Controllers 
Thermal Controllers  

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Lamptron Fan-Atic 5 Port Military Switch Baybus - Silver Lamptron Fan-Atic 5 Port Military Switch Baybus - Silver
Brand: FrozenCPU  

The Lamptron Fan-Atic 5 Port Military Switch Baybus uses machined aluminum to organize five, high-performance toggle switches that can handle 60 Watts of power each. Each channel can run at 5V or 12V (or be turned off) by the toggle switches - and the switches use colored LEDs to show what state they are in! Blue indicates 5V, Red indicates 12V and neither LED is li...


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$39.95

Lamptron High Wattage 4 Channel Rheobus - Black (FC-3) Lamptron High Wattage 4 Channel Rheobus - Black (FC-3)

The Lamptron High Wattage 4 Channel Rheobus is a rock soldi choice for fan controlling. Able to handle up to 30W per channel this unit has no problem handling multiple fan set-ups. This controller is designed to seamlessly integrate with modern high-end PC chassis. These are CNC milled from blocks of 3/4" thick solid aluminum! The anodized finish keeps a clean lo...


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$39.95

Lamptron High Wattage 4 Channel Rheobus - Silver (FC-3) Lamptron High Wattage 4 Channel Rheobus - Silver (FC-3)

The Lamptron High Wattage 4 Channel Rheobus is a rock soldi choice for fan controlling. Able to handle up to 30W per channel this unit has no problem handling multiple fan set-ups. This controller is designed to seamlessly integrate with modern high-end PC chassis. These are CNC milled from blocks of 3/4" thick solid aluminum! The anodized finish keeps a clean lo...


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$39.95

Lamptron High Wattage 6 Channel Rheobus - Black (FC-2) Lamptron High Wattage 6 Channel Rheobus - Black (FC-2)

The Lamptron High Wattage 6 Channel Rheobus is the most robust fan controller we have ever seen. This controller is able to handle pretty much any fan you can throw at it. With a power output of 45W per channel, this unit handles Delta fans with ease. (Watch the video below!) Six channels total allows you to be in complete control of any set-up. These are CNC mi...


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$37.95

Lamptron High Wattage 6 Channel Rheobus - Silver (FC-2) Lamptron High Wattage 6 Channel Rheobus - Silver (FC-2)

The Lamptron High Wattage 6 Channel Rheobus is the most robust fan controller we have ever seen. This controller is able to handle pretty much any fan you can throw at it. With a power output of 45W per channel, this unit handles Delta fans with ease. (Watch the video below!) Six channels total allows you to be in complete control of any set-up. These are CNC mi...


Submit a review
$37.95

Lamptron Hummer 5 Port Military Switch Baybus - Black Lamptron Hummer 5 Port Military Switch Baybus - Black
Brand: FrozenCPU  

The Lamptron Hummer 5 Port Military Switch Baybus uses machined aluminum to organize five, high-performance toggle switches that can handle 100 Watts of power each. Green acrylic windows add to the aesthetic of the brushed aluminum face plate and chrome switches. Put a light behind the panel and you'll be treated to an interesting green glow from between the switc...


Submit a review
$39.95

Lamptron Hummer 5 Port Military Switch Baybus - Silver Lamptron Hummer 5 Port Military Switch Baybus - Silver
Brand: FrozenCPU  

The Lamptron Hummer 5 Port Military Switch Baybus uses machined aluminum to organize five, high-performance toggle switches that can handle 100 Watts of power each. Green acrylic windows add to the aesthetic of the brushed aluminum face plate and chrome switches. Put a light behind the panel and you'll be treated to an interesting green glow from between the switc...


Submit a review
$39.95

Lian Li Military Switch Baybus - Multi Port - Black Lian Li Military Switch Baybus - Multi Port - Black
Brand: FrozenCPU  

We took the hassle of installing military switches out of your next build. These Lian-Li 5.25 front bay bezels can hold up to 4 switches. Power all your lights and peripherals from the flick of a switch right in the front of your chassis. Mix and match your covers to match your theme, or skip the covers and go for just switches! All of our switches currently offe...


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$24.95

Lian Li Military Switch Baybus - Multi Port - Silver Lian Li Military Switch Baybus - Multi Port - Silver
Brand: FrozenCPU  

We took the hassle of installing military switches out of your next build. These Lian-Li 5.25 front bay bezels can hold up to 4 switches. Power all your lights and peripherals from the flick of a switch right in the front of your chassis. Mix and match your covers to match your theme, or skip the covers and go for just switches! All of our switches currently offe...


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$24.95

Lian Li Toggle Switch Baybus - Multi Port - Black Lian Li Toggle Switch Baybus - Multi Port - Black
Brand: FrozenCPU  

We took the hassle of installing switches out of your next build. These Lian-Li 5.25 front bay bezels can hold up to 4 switches. Power all your lights and peripherals from the flick of a switch right in the front of your chassis. Mix and match your lights to match your theme! The Illuminated Duckbill Toggle Switch is a great choice for controlling lights, fans or...


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$17.95

Lian Li Toggle Switch Baybus - Multi Port - Silver Lian Li Toggle Switch Baybus - Multi Port - Silver
Brand: FrozenCPU  

We took the hassle of installing switches out of your next build. These Lian-Li 5.25 front bay bezels can hold up to 4 switches. Power all your lights and peripherals from the flick of a switch right in the front of your chassis. Mix and match your lights to match your theme! The Illuminated Duckbill Toggle Switch is a great choice for controlling lights, fans or...


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$17.95

Lian Li TR-03 3.5" Thermal Monitor & Fan Controller - Black Lian Li TR-03 3.5" Thermal Monitor & Fan Controller - Black
Brand: Lian Li  

This OEM Lian-Li 3.5" Bay Fan Controller can monitor and control up to 3 fans. It also monitors your hard disc drive read/write signal. The screens glows for easy reading in low light conditions. Includes: -Tree temperature sensor -One HDD Read/Write signal wire -One Power supply cable


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$33.99

Lian Li TR-03 3.5" Thermal Monitor & Fan Controller - Silver Lian Li TR-03 3.5" Thermal Monitor & Fan Controller - Silver
Brand: Lian Li  

This OEM Lian-Li 3.5" Bay Fan Controller can monitor and control up to 3 fans. It also monitors your hard disc drive read/write signal. The screens glows for easy reading in low light conditions. Includes: -Tree temperature sensor -One HDD Read/Write signal wire -One Power supply cable


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$33.99

Lian Li TR-5A Temp Sensor / Fan Controller - Silver Lian Li TR-5A Temp Sensor / Fan Controller - Silver
Brand: Lian Li  

The Lian-Li TR-5A Temp Sensor / Fan Controller is an elegant backlight display made by Lian Li to match their cases. It features monitoring of 4 fans and 4 temperature probes. By default, the TR-5 will automatically adjust the speed of the fans connected to the unit based off the temperatures it reads. However, the user can select for a fan to be at one of five spe...


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$47.95

Lian Li TR-5B Temp Sensor / Fan Controller - Black Lian Li TR-5B Temp Sensor / Fan Controller - Black
Brand: Lian Li  

The Lian-Li TR-5B Temp Sensor / Fan Controller is an elegant backlight display made by Lian Li to match their cases. It features monitoring of 4 fans and 4 temperature probes. By default, the TR-5 will automatically adjust the speed of the fans connected to the unit based off the temperatures it reads. However, the user can select for a fan to be at one of five spe...


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$49.95

Logisys 5.25" Full Color Thermal / Clock Control - Black (FP708BK) Logisys 5.25" Full Color Thermal / Clock Control - Black (FP708BK)
Brand: Logisys  

This 5.25" Full Color Thermal / Clock Control Panel give your computer a whole new look by adding the 5.25" full color LCD display for thermal control and clock. It guards your computer from over heat on hard drive, CPU and system. It adds value to your PC by visualizing the fan speeds, temperatures, date and time.


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$29.95

Logisys 5.25" Full Color Thermal / Clock Control - Silver (FP708SL) Logisys 5.25" Full Color Thermal / Clock Control - Silver (FP708SL)
Brand: Logisys  

This 5.25" Full Color Thermal / Clock Control Panel give your computer a whole new look by adding the 5.25" full color LCD display for thermal control and clock. It guards your computer from over heat on hard drive, CPU and system. It adds value to your PC by visualizing the fan speeds, temperatures, date and time.


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$29.95

Logysis 3.5” Fan Control Panel w/ Illumination & Sound Sensitivity Control - (FP201BK) Logysis 3.5” Fan Control Panel w/ Illumination & Sound Sensitivity Control - (FP201BK)
Brand: Logisys  

The Logysis 3.5” Fan Control Panel w/ Illumination & Sound Sensitivity Control is a bay device to control your peripherals. One channel for 7v to 12V while the next two can control from 0V to 12V. The forth channel is to activate the sound sensitivity.


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$19.99

Manual 12V Variable Speed Controller - 4-Pin Molex Connector Manual 12V Variable Speed Controller - 4-Pin Molex Connector

Control any of your 4-Pin molex driven devices manually with the Manual 12V Variable Speed Controller. Great for case fans strip lighting and liquid cooling pumps. Equiped with a male and female molex connector this unit bridges the power connector on the device and allows control of the device via the control knob. A full range of settings are available from OFF ~...


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$5.95

Manual 12V Variable Speed Controller - 4-Pin Molex Connector to Dual 3-Pin Fan Connector Manual 12V Variable Speed Controller - 4-Pin Molex Connector to Dual 3-Pin Fan Connector

Control any of your 3-Pin fans manually with the Manual 12V Variable Speed Controller. Great for case fans and liquid cooling pumps. Equipped with a male molex and dual male 3-pin connector this unit bridges the power connector on the device and allows control of the fans/device via the control knob. A full range of settings are available from OFF ~ 100%.


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$9.99

MD3 Media Dashboard All-in-One Card Reader / Port Replicator / Fan Controller MD3 Media Dashboard All-in-One Card Reader / Port Replicator / Fan Controller
Brand: FrozenCPU  

The Magic MD3 Media Dashboard All-in-One Card Reader / Port Replicator / Fan Controller features a high-speed USB 2.0 hub that's an all-in-one media card reader. Plus, 1394 FireWire port, eSATA ports, and an LCD fan controller with a readout panel that reveals the CPU and system temperatures, and fan speed. No additional power needed. And the Ultra MD3 supports most s...


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$47.99

NoiseMagic ThemoControl NMT-2 Solder Version NoiseMagic ThemoControl NMT-2 Solder Version
Brand: NoiseMagic  

The NoiseMagic ThemoControl NMT-2 screws directly on to the corner of the fan you want to control and then modifies the RPM of the fan depending on the temperature that it reads on the temperature probe. Comes in two versions, the space conservative solder on version, or the easy to install 3-pin connector version. Temperature Range:30 to 50°C


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$13.99

NoiseMagic ThemoControl NMT-2 w/ 3-pin Connector NoiseMagic ThemoControl NMT-2 w/ 3-pin Connector
Brand: NoiseMagic  

The NoiseMagic ThemoControl NMT-2 screws directly on to the corner of the fan you want to control and then modifies the RPM of the fan depending on the temperature that it reads on the temperature probe. Comes in two versions, the space conservative solder on version, or the easy to install 3-pin connector version.


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$15.99

NoiseMagic ThemoControl NMT-3 Solder Version NoiseMagic ThemoControl NMT-3 Solder Version
Brand: NoiseMagic  

The NoiseMagic ThemoControl NMT-3 screws directly on to the corner of the fan you want to control and then modifies the RPM of the fan depending on the temperature that it reads on the temperature probe. Comes in two versions, the space conservative solder on version, or the easy to install 3-pin connector version. Temperature Range:28 to 42°C


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$13.99

NoiseMagic ThemoControl NMT-3 w/ 3-pin Connector NoiseMagic ThemoControl NMT-3 w/ 3-pin Connector
Brand: NoiseMagic  

The NoiseMagic ThemoControl NMT-3 screws directly on to the corner of the fan you want to control and then modifies the RPM of the fan depending on the temperature that it reads on the temperature probe. Comes in two versions, the space conservative solder on version, or the easy to install 3-pin connector version.


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$15.99

NZXT Sentry 1 5.25" Fan Controller / Temperature Monitor - Black NZXT Sentry 1 5.25" Fan Controller / Temperature Monitor - Black
Brand: NZXT  

The NZXT Sentry 1 5.25" Fan Controller / Temperature Monitor is designed to monitor and control the air cooling system in high end systems. The Sentry monitors system temperatures and controls the fans in the chassis, displaying their status and the monitored temperatures on the back-lit LCD screen. In addition, the user can manually adjust the speed to fit their sp...


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$26.95

NZXT Sentry 2 5.25" Fan Controller / Touch Display / Temperature Monitor - Black NZXT Sentry 2 5.25" Fan Controller / Touch Display / Temperature Monitor - Black
Brand: NZXT  

Introducing the Sentry 2, a full system fan controller with an advanced touch screen interface. Sentry 2 easily installs in a 5.25: bay and is compatible with any fan that uses voltage control. The innovative touch screen features ultra fast selection and response time and displays all pertinent info including temperature readout in both Celsius and Fahrenheit. Sentry...


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$39.95

NZXT Sentry LX Dual 5.25" Fan Controller / Temperature Monitor - Black NZXT Sentry LX Dual 5.25" Fan Controller / Temperature Monitor - Black
Brand: NZXT  

The NZXT Sentry LX Dual 5.25" Fan Controller / Temperature Monitor is a high-performance aluminum fan controller. The Sentry LX boasts a robust feature set providing gamers and PC enthusiasts with the optimal setup for monitoring and adjusting temperatures throughout the PC. The gorgeous color display is neatly laid out with all of your cooling system's vital inform...


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$64.95

Power Splitter Fan Adapter Card (FS01-0003-AKS) Power Splitter Fan Adapter Card (FS01-0003-AKS)
Brand: Akust Technology  

The Power Splitter Fan Adapter Card fits in to any standard PCI expansion slot and splits the power of a single, standard 4 Pin 12V/5V power connector into 16 separate connectors. The connectors are divided up in pairs, each pair providing different voltages - making it suited for almost any project.


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$19.99

Scythe Kaze Master Ace 3.5" 2 Channel Fan Controller / Temp Display - Black (KM02-BK-3.5) Scythe Kaze Master Ace 3.5" 2 Channel Fan Controller / Temp Display - Black (KM02-BK-3.5)
Brand: Scythe  

The Scythe Kaze Master Ace 3.5" 2 Channel Fan Controller / Temp Display features a VFD display with a black background for easier reading. The unit can monitor two temperature probes and control the speeds of 2 fans individually. It also has alarm that can activate due to fan failure or high temperatures and it can be configured by a jumper. The control knobs allow...


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$34.99

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