1. Introduction
The Corsair M55 RGB Pro is a versatile wired gaming mouse designed for ambidextrous use, supporting multiple grip styles including palm, claw, and fingertip. It features a high-accuracy 12,400 DPI optical sensor and eight fully programmable buttons, making it suitable for various gaming and productivity tasks. Its lightweight design and durable construction ensure reliable performance for extended use.
2. Product Features
- Ambidextrous Design: Play comfortably with either hand and any grip style (palm, claw, or fingertip).
- High-Accuracy Optical Sensor: Features a 12,400 DPI adjustable optical sensor for precise tracking.
- Lightweight Construction: Weighs just 86g for effortless movement during long gaming sessions.
- Durable Switches: Equipped with Omron switches rated for 50 million clicks, ensuring longevity.
- 8 Programmable Buttons: Customize buttons for macros and remapping using Corsair iCUE software.
- Wired Connectivity: Reliable USB connection with a premium braided cable.
- Dynamic RGB Backlighting: Customizable RGB lighting to match your setup.
3. Package Contents
Verify that your package contains the following items:
- Corsair M55 RGB Pro Gaming Mouse
- Quick Start Guide
- Warranty Information

Image: The Corsair M55 RGB Pro Gaming Mouse shown in its retail packaging, highlighting the product's design.
4. Setup
- Connect the Mouse: Plug the USB connector of the Corsair M55 RGB Pro mouse into an available USB port on your computer.
- Automatic Driver Installation: Your operating system will automatically detect and install the necessary drivers for basic functionality.
- Install Corsair iCUE Software: For full customization, including button remapping, DPI settings, and RGB lighting control, download and install the Corsair iCUE software from the official Corsair website.

Image: An angled view of the Corsair M55 RGB Pro mouse, illustrating its ergonomic shape and button placement.
5. Operating Instructions
The Corsair M55 RGB Pro mouse offers standard mouse functionality along with advanced features:
- Left/Right Click: Standard primary and secondary click functions.
- Scroll Wheel: Scroll up/down for navigation. The scroll wheel can also be pressed for a middle-click function.
- DPI Cycle Button: Located behind the scroll wheel, this button cycles through pre-set DPI sensitivity levels. The LED indicator will change color to show the current DPI profile.
- Side Buttons: Two buttons are located on each side of the mouse. By default, these often function as 'Forward' and 'Back' in web browsers. These buttons are fully programmable via iCUE software.

Image: A side profile of the mouse, showing the textured grip for enhanced control.
6. Customization with Corsair iCUE Software
The Corsair iCUE software unlocks the full potential of your M55 RGB Pro mouse. With iCUE, you can:
- Remap Buttons: Assign any function, macro, or keystroke to the 8 programmable buttons.
- Adjust DPI Settings: Fine-tune DPI sensitivity in 1 DPI increments and create multiple DPI stages for quick switching.
- Customize RGB Lighting: Personalize the RGB lighting effects and colors to match your system or mood.
- Create Macros: Record and assign complex macros to streamline in-game actions or productivity tasks.
- Surface Calibration: Optimize sensor performance for your specific mouse pad.
Download the latest version of Corsair iCUE from the official Corsair support website.
Video: An official product video showcasing the features and ambidextrous design of the Corsair M55 RGB Pro mouse, including its lightweight build, precision sensor, and durable switches.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse surface. For stubborn dirt, a slightly damp cloth can be used, ensuring no liquid enters the mouse. Avoid harsh chemicals or abrasive materials.
- Sensor Cleaning: Occasionally, use a cotton swab lightly dampened with isopropyl alcohol to gently clean the optical sensor on the underside of the mouse.
- Cable Care: Avoid sharp bends or excessive pulling on the braided USB cable to prevent damage. Use the included cable tie for neat storage.

Image: The underside of the Corsair M55 RGB Pro mouse, displaying the optical sensor and glide feet.
8. Troubleshooting
- Mouse Not Responding:
- Ensure the USB cable is securely plugged into a working USB port.
- Try a different USB port on your computer.
- Restart your computer.
- Tracking Issues or Inaccurate Movement:
- Clean the optical sensor (refer to Maintenance section).
- Ensure you are using the mouse on a suitable surface (preferably a mouse pad).
- Perform surface calibration using Corsair iCUE software.
- RGB Lighting Not Working or Incorrect:
- Ensure Corsair iCUE software is installed and running.
- Check lighting settings within iCUE.
- Update iCUE software and mouse firmware to the latest versions.
- Buttons Not Functioning as Expected:
- Verify button assignments in Corsair iCUE software.
- Ensure no conflicting software or drivers are installed.
9. Specifications
| Brand | Corsair |
| Model | M55 RGB Pro (CH-9308011-NA) |
| Connectivity | Wired (USB) |
| Sensor Type | Optical |
| DPI | Up to 12,400 DPI (Adjustable) |
| Programmable Buttons | 8 |
| Switch Durability | Omron, 50 Million Clicks |
| Weight | 86g (3.04 ounces) |
| Dimensions (LxWxH) | 4.9 x 2.25 x 1.57 inches |
| Cable Type | Braided |
| Lighting | RGB |
| Operating System Compatibility | Windows, macOS, Linux |
10. Warranty and Support
Corsair provides a limited warranty for the M55 RGB Pro Gaming Mouse. For detailed warranty terms, technical support, and customer service, please visit the official Corsair support website:
You can also find FAQs, driver downloads, and community forums on their website.





