Chilkey ND75 vs Keydous NJ81Aluminum vs Plastic 75% Keyboard
Choose the Chilkey ND75 for its aluminum case and flexible mounting, or the Keydous NJ81 for its lighter weight and gasket mount.
Which one should you get?
Get the
Chilkey ND75
Aluminum
- CNC aluminum case construction for a premium feel.
- Unique screwless design allows switching between three mounting systems: split o-ring, silicone gel particle, and top mount.
- Includes screw-in stabilizers.
- Much heavier at 1680 grams, reducing portability.
- Smaller 3600mAh total battery capacity (2x 1800mAh).
- One vendor listing states no Mac compatibility, though metadata lists Mac/Win support.
Get the
Keydous NJ81
Plastic 75% Keyboard
- Significantly lighter weight of 970 grams.
- Larger 4000mAh battery capacity.
- Gasket mount design for a potentially softer typing feel.
- Plastic case material compared to aluminum.
- Only ANSI layout is listed, lacking ISO options.
- Mounting style is fixed as gasket mount with less user flexibility.
Your choice depends on what you value more in a keyboard's foundation. The Chilkey ND75 is the pick for users who want the heft and acoustics of an aluminum case and the hobbyist-friendly option to experiment with different mounting styles. The Keydous NJ81 is better for those who prioritize a lighter keyboard for easy transport, prefer the feel of a gasket mount, and need the widest possible device compatibility as stated by its maker.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Chilkey ND75
Keydous NJ81
Battery
3,600 mAh
4,000 mAh
Case material
Aluminum
Plastic
Switch options
Linear
Clicky, Linear
Mount style
Plate Mount, Top Mount
Gasket Mount
Weight
1,680 g
970 g
- Chilkey ND75
- Keydous NJ81
- Performance
- 7548
- Build quality
- 7655
- Productivity
- 7565
- Customizability
- 8279
- Portability
- 8280
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Display: Yes
- Keycaps: PBT
What will you mostly use it for?
The Chilkey ND75 wins for gaming, modding, and content creation, largely due to its aluminum construction and flexible mounting system. The Keydous NJ81 is better suited for office use and travel, thanks to its lighter plastic build, broader stated device compatibility, and larger battery. For programming, both keyboards are equally capable with their shared 75% layout and hot-swap features.
Pick the Chilkey ND75
- Aluminum case may provide a more stable, resonant typing feel.
- N-key rollover is explicitly listed for reliable multi-key presses.
- The vendor description lists a 1.6mm PCB which can contribute to a solid foundation.
Chilkey ND75 vs Keydous NJ81 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 21 specs differ
Chilkey ND75
Keydous NJ81
Switch options
Hot-swappable
Mount style
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Display
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Mac & Windows
Released
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Chilkey ND75 vs Keydous NJ81: your questions
The Chilkey ND75 uses a CNC aluminum case, which typically offers a more premium and durable feel than the plastic case of the Keydous NJ81. The ND75 also features a unique design that lets you change its mounting system.
Yes, according to the manufacturer's description for the NJ81, it supports Apple systems alongside Windows, Linux, and Android. The Chilkey ND75's compatibility is less clear, with one vendor page stating it is not Mac compatible.
The Chilkey ND75 uses a versatile system allowing you to configure it as a split o-ring, silicone gel particle, or top mount keyboard. The Keydous NJ81 uses a fixed gasket mount design.
The Chilkey ND75 is significantly heavier at 1680 grams. The Keydous NJ81 weighs 970 grams, making it much lighter and easier to carry.
Yes, both the Chilkey ND75 and the Keydous NJ81 feature hot-swappable PCBs. This allows you to easily change the mechanical switches without soldering.
The Chilkey ND75 comes with Cherry profile double-shot PBT keycaps according to its vendor description. The Keydous NJ81 comes with dye-sublimated PBT keycaps, but the specific profile is not stated.
The Keydous NJ81 has a larger 4000mAh battery, and its manufacturer claims up to 450 hours of use with lighting off. The Chilkey ND75 uses two 1800mAh batteries for a total of 3600mAh, with no specific runtime claims provided.
Yes, the metadata for the Chilkey ND75 lists support for ANSI, ISO, and ISO-DE layouts. The Keydous NJ81 is listed as ANSI only.
The Chilkey ND75 is listed as having screw-in stabilizers, which are generally preferred by enthusiasts for their stability and ease of modification compared to clip-in stabilizers.
Yes, both the Chilkey ND75 and Keydous NJ81 offer triple-mode connectivity. They can be used via a wired USB-C connection, Bluetooth, or a 2.4 GHz wireless dongle.
The Chilkey ND75 offers more direct customization for typing feel through its user-changeable mounting systems (split o-ring, silicone gel, top mount). The NJ81 provides a fixed gasket mount feel and a choice of steel or brass plates.
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