
K840 MECHANICAL
Color
Description
The K840 mechanical keyboard features a solid aluminum build with expertly engineered Romer-G™ mechanical switches. Enjoy an elevated typing experience with distinct tactile feedback and quiet operation with every stroke.
Specs and Compatibility
Dimensions
- Keyboard
- Height: 11.42 in (290 mm)
- Width: 12.01 in (305 mm)
- Depth: 1.35 in (34.3 mm)
- Weight: 32.10 oz (910 g)
System Requirements
- Windows® 7, 8, 10 or later
- Internet connection for optional software logitech.com/options.
- USB port
Warranty Information
Part Number
What's in the box
Support
Product Resources
Find all the documentation we have available to get this product up and running quickly.
Materials & Sustainability
ROMER-G MECHANICAL SWITCHES
Tested for over 70 million strokes for long-lasting reliability, these Japanese-engineered keys function with a highly responsive and well-defined, light touch. Every keystroke provides a distinct tactile feedback and operates quietly.



CUSTOM FEATURES FOR GREATER PRODUCTIVITY

TYPE CONFIDENTLY FOR HOURS
Key Features
ANODIZED ALUMINUM BUILD
The K840 top case is made of solid anodized aluminum. Its durable construction is designed to tackle demanding projects. A sand-blasted textured finish gives it a modern look that fits your workspace.


CUSTOM FEATURES FOR GREATER PRODUCTIVITY
Enjoy enhanced productivity everyday with 26-key Rollover which helps ensure each keystroke registers accurately, a Win Lock function and easy access to media and shortcut keys. Download Logitech Options and enjoy advanced features including F1-F4 reprogrammable keys.
TYPE CONFIDENTLY FOR HOURS
Type for hours with minimal fatigue on a full-size keyboard with tilt legs. Corded keyboard has 1.8m cable with built-in strain relief for reinforced cable strength. Simple setup, plugs into any USB port.

CONFIDENCE WITH EVERY KEYSTROKE. LASTING ALUMINUM BUILD.
Trusted legacy. Lasting durability. The K840 mechanical keyboard features a solid aluminum build with expertly engineered Romer-G™ mechanical switches. Enjoy an elevated typing experience with distinct tactile feedback and quiet operation with every stroke. Designed to fit your productive environment at home or in the office.
Design for sustainability
Everything matters
When it comes to doing better for our planet, it’s on us. Every component. Every process. Every product.
LEARN ABOUT OUR COMMITMENT