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.

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.

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.

Reliability in Every Key Press

26-key Rollover ensures that every key press is registered independently and accurately, helping minimize typos when you release one key and press another. Plus, the keys are tested to 70 million+ strokes so you can power through years of typing without worries.

Custom Features for Greater Productivity

Easily customize F1-F4 keys with your favorite commands using Logitech Options Software. A Windows lock key prevents an inadvertent press of the Windows key while you're focused on other tasks. Shortcut and media keys put faster control at your fingertips. Download Logitech Options and enjoy advanced features including F1-F4 reprogrammable keys.

Go to Logitech.com/options

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

K840 is ready to start using with your Windows-based laptop or desktop computer. Simply plug the cable into a USB port and start typing.