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Head to head · Prices checked Nov 12, 2026

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.

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Quick verdict

Which one should you get?

Get the

Chilkey ND75

Aluminum

Build quality in the top 30% of 75% boards under $150.

If you want

  • 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.

Get the

Keydous NJ81

Plastic 75% Keyboard

Build quality in the bottom 25% of 75% boards under $100.

If you want

  • Significantly lighter weight of 970 grams.
  • Larger 4000mAh battery capacity.
  • Gasket mount design for a potentially softer typing feel.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Bottom line

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.

What actually differs

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

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Plastic

  • Switch options

    Linear

    Clicky, Linear

  • Mount style

    Plate Mount, Top Mount

    Gasket Mount

  • Weight

    1,680 g

    970 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Chilkey ND75
  • Keydous NJ81
Performance
74
48
Build quality
75
54
Productivity
75
65
Customizability
82
78
Portability
82
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Display: Yes
  • Keycaps: PBT
See every spec side by side

Best for

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.

For gaming

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.

Full specs

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

Typing & switches

Switch options

Linear
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Plate Mount, Top Mount
Gasket Mount

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, ISO-DE
ANSI

Ergonomics

Standard
Standard

Display

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

3,600 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Plastic

Plate material

Polycarbonate
Brass, Steel

Keycaps

PBT
PBT

Weight

1,680 g
970 g

Dimensions

—
36 x 134 x 315 mm

Typing angle

7°
—

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2022

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

Chilkey ND754 stores
Keydous NJ812 stores

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Chilkey ND75

Keydous NJ81

No ISO layout at the stores we track.

FAQ

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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