Building a custom keyboard allows you to tailor every aspect of your typing experience, from the auditory feedback of the switches to the physical layout of the board. Choosing the Best Mechanical Keyboard Chassis is the most critical step in this process, as it dictates the structural foundation, mounting style, and overall aesthetic of your final device.
Whether you are looking for a compact 60% frame for a clean desk setup or a full-size board with dedicated media controls, the right base provides the necessary support for your chosen switches and keycaps. We have evaluated several barebones kits to help you understand the trade-offs in layout, connectivity, and mounting technology so you can make an informed decision for your next project.
You may also want to compare Best Mechanical Keyboard Builds, Best Mechanical Keyboard Brands, and Best Mechanical Keyboard and Mouse for Gaming.
Best Mechanical Keyboard Chassis
Quick Comparison
| Product | Best For | Key Strength | Score |
|---|---|---|---|
| ZMX GMK104 Mechanical Keyboard Kit | Best Overall | Full-size 104-key layout with dedicated number pad | 4.9 |
| GTSP M87 Pro Mechanical Keyboard Kit | Compact 75% barebones base | Silent gasket-mounted design for improved typing acoustics. | 4.7 |
| Cmokifuly GMK67 Mechanical Keyboard Kit | Versatile tri-mode wireless connectivity | Gasket-mounted structure for improved typing feel and sound. | 4.8 |
| BOYI GMK108 Mechanical Keyboard Kit | Programmable full-size gasket mount | Gasket-mounted structure for a cushioned typing feel | 4.9 |
| CyberpowerPC CK60 Mechanical Keyboard Kit | Premium CNC aluminum 60% chassis | 100% CNC-cut aluminum chassis for superior build quality. | 4.9 |
How We Chose
- Mounting Style: Assessing the gasket or standard mounting systems for their impact on typing feel and sound dampening.
- Connectivity Options: Evaluating the availability of wired, Bluetooth, and 2.4GHz wireless modes for flexible workstation integration.
- Programmability: Checking for software support like VIA to ensure users can remap keys and create custom macros.
- Layout and Form Factor: Comparing full-size, 75%, 65%, and 60% options to match different desk space requirements.
- Build Quality and Materials: Reviewing the chassis construction, including CNC aluminum or reinforced plastic, to determine long-term durability.
1 ZMX GMK104 Mechanical Keyboard Kit — Full-size layout with integrated screen
Building a custom mechanical keyboard requires a reliable foundation, and the ZMX GMK104 Mechanical Keyboard Kit serves as a versatile starting point for enthusiasts. This full-size 104-key barebones kit provides a complete layout including a dedicated number pad, making it equally functional for office productivity and gaming setups.
Central to its design is an integrated smart display and a metal volume knob, allowing for real-time interface customization and quick media adjustments. The board features a gasket-mounted structure paired with silencing cotton rubber pads, which creates a cushioned typing feel and helps dampen acoustic resonance during use.
The ZMX GMK104 Mechanical Keyboard Kit offers significant flexibility through its hot-swappable PCB, which supports both 3-pin and 5-pin switches, eliminating the need for soldering. Users can further tailor their experience using VIA software, which enables full key remapping and the creation of complex macros across the entire 104-key array.
Connectivity is handled through a three-mode system, supporting Bluetooth 5.0, 2.4GHz wireless, and a wired USB-C connection. A 4000mAh battery provides power for wireless operation, while the south-facing RGB backlighting ensures compatibility with a wide variety of keycap profiles without interference.
Best for: Users who want a full-size, hot-swappable mechanical keyboard base with integrated media controls and wireless connectivity.
Skip if: Users who prefer a compact 60% or 75% layout or those who do not require a dedicated number pad.
PROS
- Full-size 104-key layout with dedicated number pad
- Hot-swappable PCB for easy switch customization
- VIA software support for deep programmability
- Gasket-mounted design for a cushioned typing experience
- Three-mode connectivity including Bluetooth and 2.4GHz
CONS
- Large physical footprint due to full-size design
2 GTSP M87 Pro Mechanical Keyboard Kit — Compact 75% barebones base
Building a custom mechanical keyboard starts with a foundation that balances structural integrity with acoustic refinement. The GTSP M87 Pro Mechanical Keyboard Kit provides a 75% layout barebones base that integrates a silent gasket-mounted design, specifically engineered to minimize unwanted keystroke clatter while maintaining a responsive typing feel.
This kit is designed for versatility, featuring hot-swappable terminals that support both 3-pin and 5-pin MX-style switches. This allows users to customize their switch preference without the need for soldering. The inclusion of sound absorption foam and a silicon bottom pad further enhances the acoustic profile, creating a consistent sound signature across the board.
For those prioritizing aesthetics and software control, the chassis includes south-facing RGB lighting with 18 factory-set modes and music rhythm synchronization. Users can also utilize dedicated software to configure per-key lighting effects and macros. The unit supports NKRO for reliable input registration during intensive tasks.
Compatibility is addressed through a detachable USB-C cable and support for both Windows and Mac systems. Its 75% form factor offers a compact footprint, making it a functional choice for users who need to save desk space without sacrificing key accessibility.
Best for: Users looking to build a compact 75% mechanical keyboard with a gasket-mounted structure and hot-swappable switch compatibility.
Skip if: Users who require a full-sized layout with a dedicated number pad or those who prefer a pre-built keyboard ready for immediate use without additional switch and keycap purchases.
PROS
- Silent gasket-mounted design for improved typing acoustics.
- Hot-swappable 3-pin/5-pin support for easy switch customization.
- South-facing RGB lighting with software-based macro and effect control.
- Compact 75% layout with a detachable USB-C connection.
CONS
- Barebones kit requires separate purchase of switches and keycaps.
- Limited to 75% layout, lacking a dedicated number pad.
3 Cmokifuly GMK67 Mechanical Keyboard Kit — Versatile tri-mode wireless connectivity
The Cmokifuly GMK67 Mechanical Keyboard Kit provides a foundation for custom builds by integrating a gasket-mounted plate and a poron noise-absorbing pad system. This design choice aims to refine the typing experience by reducing internal case resonance, making it a notable starting point for those prioritizing sound profile and build quality.
Engineered for flexibility, this 65% layout kit features tri-mode connectivity, allowing users to toggle between wired, wireless, and Bluetooth options. The inclusion of a 3000mAh battery supports extended use, while the south-facing RGB LED array offers 18 distinct lighting modes, which can be further customized via dedicated software.
The PCB is built with hotswap sockets, supporting both 3-pin and 5-pin switches without the need for soldering. This modularity allows users to swap switches to achieve their preferred tactile or linear feel. The kit also includes a dedicated knob, adding a layer of physical control for media or system functions.
While the kit provides the chassis, PCB, and mounting hardware, it does not include switches or keycaps, requiring users to source these components separately. This allows for complete aesthetic and functional customization, though it necessitates additional planning for a fully operational setup.
Best for: Enthusiasts looking for a compact, gasket-mounted 65% chassis with versatile wireless connectivity and hotswap switch support.
Skip if: Users who prefer a pre-assembled keyboard with switches and keycaps included out of the box.
PROS
- Gasket-mounted structure for improved typing feel and sound.
- Tri-mode connectivity including wireless and Bluetooth options.
- Hotswap PCB supports both 3-pin and 5-pin switches.
- Integrated noise-absorbing foam and poron pads.
CONS
- Switches and keycaps not included, requiring separate purchase.
- Requires assembly to become a functional keyboard.
4 BOYI GMK108 Mechanical Keyboard Kit — Programmable full-size gasket mount
Building a custom mechanical keyboard requires a foundation that balances structural integrity with acoustic performance, and the BOYI GMK108 Mechanical Keyboard Kit provides this through a specialized gasket-mounted design. By isolating the PCB from the chassis, this kit minimizes vibrations and creates a cushioned typing feel that is often sought after in custom builds.
This 100% full-size barebones kit includes a numpad and dedicated function keys, making it a versatile choice for both productivity and gaming. The hot-swappable PCB supports both 3-pin and 5-pin switches, allowing users to change their typing experience without the need for soldering. It also features south-facing RGB backlighting, which improves compatibility with a wider range of keycap profiles.
Connectivity is a major focus for this chassis, offering tri-mode functionality that includes Bluetooth 5.0, 2.4GHz wireless, and a wired Type-C connection. The integrated 4000mAh battery supports extended wireless use, while the VIA programmability allows for deep customization of macros, key remapping, and lighting effects across all 104 keys.
The BOYI GMK108 Mechanical Keyboard Kit is designed for users who want to define the look, feel, and sound of their input device from the ground up. With its NKRO (N-Key Rollover) support, it ensures reliable input registration during intense gaming sessions or heavy office workloads, providing a robust platform for any custom mechanical keyboard project.
Best for: Users seeking a full-size, gasket-mounted foundation for a custom mechanical keyboard build with versatile wireless connectivity options.
Skip if: Users who prefer a compact 60% or 75% layout, or those who do not intend to purchase their own switches and keycaps separately.
PROS
- Gasket-mounted structure for a cushioned typing feel
- Tri-mode connectivity including Bluetooth 5.0 and 2.4GHz wireless
- Hot-swappable PCB supporting 3-pin and 5-pin switches
- Full-size layout with dedicated numpad and function keys
- VIA programmable for extensive macro and key remapping
CONS
- Barebones kit requires separate purchase of switches and keycaps
- Full-size footprint occupies more desk space than compact alternatives
5 CyberpowerPC CK60 Mechanical Keyboard Kit — Premium CNC aluminum 60% chassis
The CyberpowerPC CK60 Mechanical Keyboard Kit serves as a robust foundation for custom builds, centered around a 100% CNC-cut aluminum chassis. This construction provides a rigid, premium feel that sets it apart from standard plastic-cased alternatives, while the gold anodized base plate adds a distinct aesthetic finish.
Designed for enthusiasts who prioritize acoustics and typing feel, the kit integrates polycarbonate plates and high-density foam padding in both the base and plate. These components work in tandem with the included Gateron Red linear mechanical switches to deliver a smooth, dampened typing experience, further refined by the inclusion of PBT double-shot keycaps.
Versatility is a core component of this kit, featuring a hot-swappable PCB that allows users to swap switches without the need for soldering. The compact 60% ANSI layout is ideal for space-constrained desks, and the USB Type-C connection ensures broad compatibility with modern hardware. Users can also manage macros, lighting animations, and key remapping through dedicated Windows-compatible software.
The chassis is engineered for long-term utility and modularity, supporting upgrades with any standard 60% PCB. This design allows users to evolve their hardware over time, making it a practical choice for those who want to customize their layout or internal features without replacing the entire unit.
Best for: Enthusiasts seeking a premium, compact aluminum base for a customizable, hot-swappable mechanical keyboard build.
Skip if: Users who require a full-sized layout with a dedicated number pad or those who prefer wireless connectivity.
PROS
- 100% CNC-cut aluminum chassis for superior build quality.
- Hot-swappable switches for easy customization without soldering.
- High-density foam padding provides a quiet, dampened typing experience.
- Fully programmable via Windows-compatible software.
CONS
- 60% layout lacks dedicated arrow keys and function rows.
- Wired-only USB Type-C connection limits portability.
Best Mechanical Keyboard Chassis Buying Guide
Understanding Mounting Styles
The mounting style is the primary factor in how a keyboard feels when you press a key. A gasket mount system, found in many modern kits, uses rubber or silicone gaskets to isolate the plate from the case, resulting in a more cushioned, flexible typing experience that often reduces harsh bottoming-out sensations.
Alternatively, traditional tray-mount or top-mount designs offer a stiffer feel. While these may lack the flex of a gasket mount, they provide a consistent, firm response that some users prefer for gaming or rapid typing. Consider your personal preference for typing feedback when selecting your chassis.
Choosing the Right Layout
Layouts range from full-size 104/108-key boards that include a dedicated number pad, to compact 60% or 65% designs that prioritize desk space. A full-size chassis is ideal for data entry and office tasks where the numpad is essential, while smaller layouts are favored by gamers who need more room for mouse movement.
If you frequently use function keys or arrow keys, a 75% layout offers a middle ground, retaining these navigation keys in a more condensed footprint than a full-size board. Always verify if your chosen chassis supports the specific keycap sets you intend to use, especially if you opt for non-standard layouts.
Connectivity and Wireless Features
Modern mechanical keyboard kits often provide tri-mode connectivity, allowing you to switch between wired USB-C, Bluetooth, and 2.4GHz wireless modes. This is particularly useful if you need to connect your keyboard to multiple devices, such as a desktop PC, a laptop, and a tablet simultaneously.
When opting for wireless, consider the battery capacity. A larger battery, such as a 4000mAh unit, ensures longer usage times between charges. If you prioritize a permanent, low-latency connection for competitive gaming, a reliable wired USB-C connection remains the gold standard.
Programmability and Software
The ability to customize your keyboard's functionality is a major benefit of building your own. Many kits support VIA or proprietary software, which allows you to remap keys, create complex macros, and adjust RGB lighting effects directly on the board's firmware.
Before purchasing, check if the chassis supports your preferred software ecosystem. VIA-compatible boards are highly regarded for their ease of use, as they allow for real-time changes without the need for complex driver installations.
Hot-Swappable Sockets
A hot-swappable PCB is a must-have for most custom builders, as it allows you to change switches without soldering. This feature lets you experiment with different switch types—linear, tactile, or clicky—to find the exact sound and feel you desire without committing to a single type permanently.
Ensure the PCB supports the pin configuration of your desired switches. Most modern hot-swap boards are compatible with both 3-pin and 5-pin switches, providing maximum flexibility for sourcing components from various manufacturers.
Frequently Asked Questions
What does a barebones keyboard kit include?
A barebones kit typically includes the chassis, the PCB, the plate, and the stabilizers. You will need to purchase your own mechanical switches and keycaps separately to complete the build.
Is a gasket mount better than a standard mount?
Gasket mounting is generally preferred for a softer, more flexible typing feel and improved sound acoustics. However, standard mounts are often more durable and provide a firmer, more consistent typing experience.
Can I use any switch with a hot-swappable chassis?
Most hot-swappable chassis support standard MX-style switches. Always check if the PCB is compatible with 3-pin or 5-pin switches to ensure your chosen switches will fit correctly.
Why would I choose a 60% layout over a full-size one?
A 60% layout is significantly smaller, leaving more room on your desk for mouse movement, which is beneficial for gaming. However, you lose dedicated arrow keys, a numpad, and function keys, which may impact productivity.
Do I need software to use a programmable keyboard?
While many boards are plug-and-play, software like VIA is required if you want to remap keys, create macros, or customize specific lighting layers beyond the factory presets.
Conclusion: Our Top Pick
Selecting the right foundation is the most important step in creating a keyboard that matches your specific needs. For those seeking a comprehensive, high-performance base, the ZMX GMK104 Mechanical Keyboard Kit stands out as our top pick. Its combination of a full-size layout, gasket-mounted PCB, and integrated screen provides a versatile platform that caters to both productivity and gaming enthusiasts.
While the ZMX GMK104 offers extensive features, ensure your desk space can accommodate its full-size footprint before purchasing. If you prefer a more compact setup, consider the other options in our list, which offer similar hot-swappable and programmable benefits in smaller, more portable form factors.