Product Overview
The Cooler Master CK720 is a 65% mechanical gaming keyboard designed for performance and customization. It features hot-swappable switches, a customizable 3-way dial, and RGB backlighting. This keyboard is engineered to provide a high-quality typing experience with enhanced durability and user-friendly features.
Package Contents
- Cooler Master CK720 Mechanical Gaming Keyboard
- USB-C Cable
- Keycap Puller
- Switch Puller
- Additional Cherry MX Green Switches (8 included)
Image showing the Cooler Master CK720 keyboard along with its included USB-C cable, keycap puller, switch puller, and a small tray of additional Cherry MX Green switches.
Setup Instructions
- Connect the Keyboard: Insert the USB-C end of the provided cable into the keyboard's USB-C port. Connect the other end of the cable to an available USB port on your computer.
- Initial Power-On: The keyboard will automatically power on and its RGB lighting will illuminate.
- Software Installation (Optional): For advanced customization of RGB lighting, key remapping, and dial functions, download and install the Cooler Master MasterPlus+ software from the official Cooler Master website.
Video demonstrating the initial connection of the Cooler Master CK720 keyboard to a computer and showcasing its default RGB lighting effects.
Operation
3-Way Customizable Dial
The multi-function dial located on the top right of the keyboard provides tactile control for various settings. Its functions can be customized via the MasterPlus+ software.
- Rotate: Turn the dial clockwise or counter-clockwise to adjust settings such as volume, backlight brightness, or scroll through options.
- Press: Press the dial to toggle functions like mute/unmute audio, switch lighting modes, or confirm selections.
Close-up image of the 3-way customizable dial on the Cooler Master CK720 keyboard, highlighting its design and functionality.
On-the-Fly Controls
The CK720 supports on-the-fly adjustments for lighting effects and macros without needing software. Refer to the keyboard's secondary key legends for specific function combinations (e.g., Fn + F-keys).
Image illustrating the on-the-fly control key combinations for the Cooler Master CK720 keyboard, typically involving the Fn key and other function keys.
Key Features
Hot-Swappable Mechanical Switches
The CK720 allows for easy replacement of individual key switches without soldering. This enables users to customize the typing feel of each key. The keyboard comes with Kailh Box V2 Linear Red Switches and includes additional Cherry MX Green Switches.
Diagram illustrating the hot-swappable mechanical switch design of the Cooler Master CK720 keyboard, showing how switches can be easily removed and replaced.
Image displaying Kailh Box V2 switches and Cherry MX Green switches, highlighting the types of switches compatible with the CK720's hot-swappable design.
A hand using a switch puller to remove a key switch from the Cooler Master CK720 keyboard, demonstrating the hot-swappable feature.
PBT Doubleshot Keycaps
The keyboard is equipped with PBT doubleshot keycaps, which are known for their durability and resistance to shine. The legends are molded into the keycap, preventing them from wearing off over time.
Close-up image of the PBT doubleshot keycaps on the Cooler Master CK720 keyboard, showcasing their texture and durable legends.
Removable Aluminum Top Plate
The aluminum top plate can be removed, facilitating easier maintenance and providing better access for switch changes or cleaning.
Exploded view diagram of the Cooler Master CK720 keyboard, showing the removable aluminum top plate separated from the main body.
Silicone Padding
Internal silicone padding is integrated to reduce hollow sounds and enhance the typing acoustics, resulting in a fuller and more satisfying sound profile.
Diagram illustrating the internal silicone padding within the Cooler Master CK720 keyboard, designed to improve typing sound.
Technical Specifications
| Feature | Detail |
|---|---|
| Model Number | CK-720-GKKR1-US |
| Keyboard Type | Mechanical Gaming Keyboard |
| Layout | 65% (QWERTY) |
| Number of Keys | 68 |
| Switch Type | Kailh Box V2 Linear Red (Hot-Swappable) |
| Keycap Material | PBT Doubleshot |
| Backlighting | Per-key RGB |
| Connectivity | USB-C (Detachable) |
| Special Features | 3-Way Customizable Dial, Hot-Swappable Switches, Removable Aluminum Top Plate, Silicone Padding |
| Material | Aluminum, Polybutylene Terephthalate, Silicone |
| Color | CK720 Gunmetal |
| Item Weight | 950 Grams |
Maintenance
Cleaning the Keyboard
To clean the keyboard, disconnect it from your computer. Use a soft brush or compressed air to remove dust and debris from between the keycaps. For deeper cleaning, remove the keycaps using the provided keycap puller and wipe them with a damp cloth. The removable aluminum top plate can also be detached for easier access to the switches and plate.
Replacing Switches
Use the provided switch puller to carefully remove a switch. Align the pins of the new switch with the holes on the PCB and press firmly until it clicks into place. Ensure the switch is properly seated to avoid bent pins.
A hand demonstrating the removal of a key switch from the Cooler Master CK720 keyboard using the included switch puller.
Troubleshooting
Keyboard Not Responding
- Ensure the USB-C cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Test the keyboard on another computer to determine if the issue is with the keyboard or the computer's setup.
- If using a USB hub, try connecting the keyboard directly to the computer.
RGB Lighting Not Working Correctly
- Check the on-the-fly lighting controls (Fn key combinations) to ensure a lighting mode is selected and brightness is not set to zero.
- If using the MasterPlus+ software, ensure it is updated to the latest version and that the lighting profiles are correctly configured.
- Restart the MasterPlus+ software and/or your computer.
Keys Not Registering
- Remove the keycap and then the switch for the affected key using the provided tools.
- Inspect the switch pins for any bends or damage. Straighten bent pins carefully with tweezers if possible.
- Reinsert the switch firmly. If the issue persists, try replacing the switch with one of the spares or a known working switch.
- Ensure no debris is obstructing the switch socket.
Warranty and Support
The Cooler Master CK720 Mechanical Gaming Keyboard comes with a 2-year manufacturer's warranty. For technical support, warranty claims, or additional product information, please visit the official Cooler Master website or contact their customer service.
Official Cooler Master Website: www.coolermaster.com
