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Head to head · Prices checked Nov 11, 2026

Apos Preonic Rev 4 Ortholinear vs Niuniu KB40

Get the Apos Preonic Rev 4 Ortholinear for qmk. Get the Niuniu KB40 for sound dampening.

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Quick verdict

Which one should you get?

Get the

Apos Preonic Rev 4 Ortholinear

QMK

Build quality in the top 50% of Numpad boards under $200.

Rules this board out

  • Numpad only. This is not a full keyboard.

Get the

Niuniu KB40

Sound dampening

Build quality in the bottom 40% of 40% boards under $300.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.

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.

Apos Preonic Rev 4 Ortholinear

Niuniu KB40

  • Layout size

    Numpad

    40%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Sound dampening

    No

    Yes

  • Backlight

    RGB

    None

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Apos Preonic Rev 4 Ortholinear
  • Niuniu KB40
Performance
61
47
Build quality
66
67
Productivity
56
80
Customizability
68
63
Portability
65
88

What they share

  • Hot-swappable
  • Ergonomics: Ortholinear
  • Case material: Aluminum
See every spec side by side

Full specs

Apos Preonic Rev 4 Ortholinear vs Niuniu KB40 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

7 of 16 specs differ

Apos Preonic Rev 4 Ortholinear

Niuniu KB40

Typing & switches

Switch options

Clicky, Linear, Silent, Tactile
—

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

Numpad
40%

Layout standard

ANSI
ANSI

Ergonomics

Ortholinear
Ortholinear

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
Aluminum, FR4

Backlight

RGB
None

Firmware & software

QMK

Yes
No

Mac & Windows

No
Yes

Extras

Released

2026
2026

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.

Niuniu KB402 stores

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