SilverStone RAC-CF4-440 4-Channel Fan Controller, 5.25 inch Bay, 30W per Channel, Black

Excessive fan noise and uncontrolled cooling can ruin the computing experience, whether you're gaming, working, or building a quiet home server. The SilverStone RAC-CF4-440 puts you in command of up to four fans with precise analog control, letting you balance airflow and acoustics exactly to your liking.

Who is it for

This controller is ideal for PC enthusiasts, overclockers, and anyone who values a quiet, custom-tuned system. It fits any standard 5.25-inch drive bay and works with both 3-pin and 4-pin PWM fans (via voltage control), making it a versatile addition to most desktop cases.

Main features

• Four independent channels, each with a rotary knob for smooth voltage adjustment from 0V to 12V.
• High power capacity: 30W per channel, 120W total, supporting even high-performance fans.
• Durable construction: aluminum front panel and steel body in sleek black.
• Blue LED indicators for each channel provide clear visual status.
• Powered by a single 4-pin Molex connector for reliable, direct power delivery.

Specifications

• Number of channels: 4
• Fan connector type: 4x 3-pin (compatible with 4-pin PWM fans via voltage control)
• Max output current per channel: 2.5 A
• Max output power per channel: 30 W
• Total max output power: 120 W
• Input power connector: 1x 4-pin Molex
• Form factor: Single 5.25" drive bay
• Control method: 4 rotary knobs
• Voltage adjustment range: 0V - 12V
• Front panel material: Aluminum
• Body material: Steel
• Color: Black
• LED indicators: Yes (blue per channel)
• Installation: Screw-in (standard 5.25" bay)

Tips

For optimal cable management, connect the Molex power before installing the unit into the bay. Use the rotary knobs to fine-tune each fan individually—start at low voltage and increase until the desired cooling is achieved without excess noise.