Si75-HE Hall-Effect Keyboard - Blue

Introducing the Si75-HE — a high-performance Hall-effect keyboard from ONEofZERO, powered by Keychron. This keyboard balanced gaming performance, refined typing feel, and modular customization.

At its core is Silicore, ONEofZERO’s signature design framework that enhances acoustics and comfort while serving as a modular ecosystem for aesthetic customization — a true form meets function implementation.

Modular Silicone Ecosystem

The Si75-HE’s modular silicone ecosystem enhances acoustics and feel while introducing a new layer of visual expression through customizable, interchangeable components.

**After-market Modular Silicone Expansion Kits available for resale.  Available in Red, Blue and Orange.

Gasket Mount Design

Silicone strips isolate the Plate and PCB from both the top and bottom case to provide vibration-dampened typing experience with a softer, more defined sound and feel.

Frosted Case

Frosted transparent ABS case reveals subtle pops of color from internal silicone components for a customizable aesthetic.

Customizable Keycaps

A complete set of durable Dye-sublimated PBT keycaps featuring a two-tone grey base set along with 12 accent colour keycaps in blue, red and orange are included in the box with every keyboard.

Magnetic Hall-Effect Switches

Keychron Ultra-fast Lime Magnetic Switches feature pressure-sensitive Hall effect sensors and a pre-luber double rail system for ultra-smooth linear keystrokes.

Low Latency 8K Polling

Continuously detects key position to reset the moment you lift - no need to release fully enabling ultra-fast, precise repeated inputs.  

Profile Toggle Switch

Swap between two customizable profiles on the fly via toggle switch.

RGB Backlighting

Vibrant RGB is fully customizable through the online web software with impressive per key RGB and a wide range of effects and settings that are saved to the onboard profiles.

Online Web Launcher

Use the ONEofZERO Web launcher app for effortless actuation point customization, Hall-effect functions, key remapping, macro assignment, shortcuts, and more.

Adjustable Actuation

Set per key actuation between 0.1mm and 3.35mm with 0.01mm sensitivity.

Dynamic Rapid Trigger

Continuously detects key position to reset the moment you lift - no need to release fully - enabling ultra-fast, precise repeated inputs.

Last Keystroke Prioritization

Favours last key press and deeper inputs when keys overlap to prioritize meaningful keypresses enabling smooth and intentional strafing.

Analog Mode

Hall effect sensors detect the depth of each key press translating into variable movement speeds.

Multi-Action Keystroke

Assign up to 4 distinct actions per key based on actuation distance.

Windows and iOS compatible

Swap between Windows and iOS with a quick key shortcut (Fn+CAPS LOCK).