Keychron Lemokey X4 Mechanical Keyboard

The Lemokey X4 is a high-performance mechanical keyboard crafted for gamers, office professionals, and keyboard enthusiasts who demand precision, customization, and reliability. Featuring a compact 75% layout, it strikes the perfect balance between functionality and desk space, making it ideal for those who want dedicated arrow keys and function row access without the bulk of a full-sized keyboard. With advanced QMK/VIA support, users can fully tailor their typing experience, while the inclusion of a tactile aluminum knob adds intuitive control for media or custom functions. The keyboard’s wired-only USB-C connectivity ensures a stable, lag-free connection, and its hot-swappable sockets allow for effortless switch changes without soldering. Whether you’re seeking a competitive edge in gaming, a comfortable typing experience for productivity, or a canvas for personal expression, this keyboard is designed to meet a wide range of needs. Its robust build, ergonomic features, and deep customization options make it a standout choice for anyone serious about their keyboard setup.

Main Features

This keyboard distinguishes itself with a suite of features tailored to both demanding gamers and productivity-focused users. The 75% layout offers a compact footprint while retaining essential keys, including the function row and dedicated arrow keys, making it highly versatile for various tasks. QMK and VIA compatibility unlocks extensive programmability, allowing users to remap keys, set up macros, and create custom layers with ease. The inclusion of a high-quality aluminum knob provides tactile, on-the-fly control for volume, scrolling, or any function you assign, enhancing workflow efficiency and gaming immersion. The hot-swappable PCB supports quick and easy switch replacement, letting users experiment with different mechanical switches without soldering. A 1000 Hz polling rate ensures ultra-fast response times, crucial for competitive gaming scenarios where every millisecond counts. The keyboard’s advanced anti-ghosting and full N-key rollover guarantee that every keypress is registered accurately, even during the most intense typing or gaming sessions. Shine-through double-shot keycaps, available in both ABS and PBT options, pair with customizable red LED backlighting to create a visually striking and functional typing environment. These features combine to offer a keyboard that is not only powerful and responsive but also adaptable to a wide range of user preferences and requirements.

• 75% compact layout with function row and arrow keys
• QMK/VIA support for deep programmability
• Aluminum control knob for customizable input
• Hot-swappable switches for easy customization
• 1000 Hz polling rate for low-latency performance
• Full N-key rollover and anti-ghosting
• Shine-through double-shot keycaps (ABS or PBT)
• Customizable red LED backlighting with multiple effects

Construction Details

The keyboard showcases a modern and robust design, blending functionality with aesthetic appeal. Its 75% layout is thoughtfully arranged to maximize desk space while retaining essential keys, making it suitable for both compact and expansive setups. The chassis is constructed from durable ABS plastic, providing a lightweight yet sturdy foundation. A gasket-mount structure paired with a polycarbonate (PC) plate delivers a flexible, cushioned typing feel and refined acoustics, reducing harshness and enhancing comfort during extended use. The keyboard features double-shot keycaps, available in two variants: OEM profile shine-through ABS for a classic look, and Cherry profile side-printed PBT for enhanced durability and a premium feel. The north- or south-facing red LED backlighting illuminates the legends for clear visibility in any lighting condition. Ergonomics are further supported by three adjustable typing angles (4°, 8°, and 10°), allowing users to find their optimal wrist position. The inclusion of an aluminum knob not only adds a touch of sophistication but also provides a satisfying tactile interaction. Overall, the build quality is engineered for longevity, with hot-swappable sockets and plate-mounted stabilizers ensuring that the keyboard can withstand frequent modifications and heavy daily use.

• Durable ABS plastic chassis
• Gasket-mount structure with PC plate for flexible typing
• Double-shot keycaps in OEM ABS or Cherry PBT profiles
• Red LED backlighting (north or south-facing)
• Three adjustable typing angles for ergonomic support
• Aluminum control knob for tactile feedback
• Hot-swappable sockets and plate-mounted stabilizers

Connectivity Options

This keyboard is designed for users who prioritize a stable and responsive connection. It features a wired-only interface, utilizing a modern USB-C port for fast, reliable data transmission and power delivery. The included cable is Type-A to Type-C, ensuring compatibility with a wide range of computers and devices. Wired connectivity eliminates the latency and potential interference associated with wireless keyboards, making it especially suitable for competitive gaming and professional environments where input accuracy is paramount. The keyboard supports both Windows and macOS operating systems, with dedicated keycaps and firmware-level toggling to ensure seamless switching between platforms. Linux compatibility is also included, broadening its appeal to developers and power users. The bottom case is engineered with multiple cable routing channels, allowing users to direct the cable left, right, or center to best suit their desk setup and minimize clutter. Charging is not a concern due to its wired nature, ensuring uninterrupted performance during long work or gaming sessions. The plug-and-play design means no drivers are required for basic use, while advanced features can be accessed through QMK/VIA software. This focus on wired connectivity guarantees consistent, high-speed performance and peace of mind for users who demand the utmost reliability from their peripherals.

• Wired-only USB-C connectivity for stable performance
• Type-A to Type-C cable included
• Multiple cable routing options for desk organization
• Compatible with Windows, macOS, and Linux
• No charging required; always powered when connected
• Plug-and-play operation with advanced software support

Tailoring Your Typing

Personalization is at the heart of this keyboard’s design, offering users extensive options to create a truly unique typing experience. With full QMK and VIA support, every key can be remapped, macros can be programmed, and custom layers can be created to suit individual workflows or gaming needs. The Lemokey Launcher web app provides an intuitive interface for configuring keymaps, lighting effects, and macros without the need for complex software installations. Users can assign the aluminum knob to control volume, scroll, or trigger custom actions, further enhancing productivity and convenience. The hot-swappable PCB allows for effortless switch changes, enabling users to experiment with different mechanical switches to find their preferred feel and sound without soldering. Aesthetic customization is also a highlight, with over 14 dynamic red backlight modes—including breathing, flashing, and static effects—that can be adjusted to match your mood or setup. The double-shot keycaps are available in different profiles and materials, allowing for further personalization in both look and feel. For those who enjoy tinkering, the open-source firmware and accessible source code provide limitless opportunities for advanced customization and development. This keyboard empowers users to tailor every aspect of their typing and gaming experience, making it a perfect choice for enthusiasts who value both form and function.

• QMK/VIA support for key remapping and macros
• Lemokey Launcher web app for easy customization
• Customizable aluminum knob for various functions
• Hot-swappable switches for personalized typing feel
• 14+ dynamic red backlight modes
• Choice of keycap profiles and materials
• Open-source firmware for advanced users

Unique Selling Points

This keyboard stands out with several unique features that enhance its appeal. The inclusion of a premium aluminum knob offers intuitive, tactile control for media or custom commands, setting it apart from standard keyboards. Its gasket-mount structure and PC plate deliver a refined, cushioned typing experience rarely found in this segment. The hot-swappable design encourages experimentation with different switches, catering to both newcomers and seasoned enthusiasts. Multiple cable routing options help maintain a tidy workspace, while the double-shot shine-through keycaps ensure lasting durability and vivid backlighting. The combination of QMK/VIA programmability, ergonomic adjustability, and robust build quality makes this keyboard a versatile and future-proof choice for any user seeking performance and personalization.

• Premium aluminum control knob
• Gasket-mount structure for superior typing comfort
• Multiple cable routing channels for desk organization
• Double-shot shine-through keycaps for durability
• Extensive software and firmware customization options