The Corsair iCUE Commander Core XT is a combined RGB lighting controller and PWM fan controller designed to centralize and simplify control of your PC’s cooling fans and RGB lighting. It connects inside your PC to your motherboard via USB 2.0 and integrates with Corsair’s iCUE software, giving you full software control over fan speeds, lighting effects, temperature‑based automations, and system monitoring.

⭐ Key Features

📊 All‑in‑One Control

• Functions as both a fan controller and an RGB lighting controller in one unit.
• Lets you manage everything through the Corsair iCUE ecosystem — fan speeds, lighting, temperature curves, and system profiles.

🌀 6 PWM Fan Channels

• Supports up to six PWM fans, allowing precise speed control.
• Includes Zero RPM mode to stop fans at low temperatures for silent operation.
• Fans automatically detected by iCUE.

🌈 RGB Lighting Control

• Controls up to 264 RGB LEDs directly — enough for six RGB fans and additional lighting.
• Has multiple RGB channels to connect Corsair RGB products like QL, LL, ML, SP RGB and other compatible devices.
• Lets you customize lighting effects, colors, and sync lighting across the system via iCUE.

🌡️ Temperature Monitoring

• Includes two repositionable temperature sensors you can place inside your case to monitor heat at critical points.
• iCUE can use temperature readouts to automatically adjust fan speeds and lighting for optimized cooling and acoustic performance.

🔌 USB Interface

• Connects to a USB 2.0 header on your motherboard for data and control through iCUE.
• Also includes a USB pass‑through capability to connect additional internal USB devices (e.g., Corsair AIO coolers).

🛠️ Easy Installation

• Low‑profile design and embedded magnets make it easy to attach inside your case.
• Automatic detection of connected fans and lighting devices simplifies setup in iCUE.

📈 Wide Compatibility

• Works with a variety of Corsair RGB fans and accessories including QL RGB, LL RGB, ML PRO RGB, SP RGB ELITE, SP RGB PRO and more.
• Opens up advanced lighting and fan control capabilities beyond what many motherboards can handle natively.