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Head to head · Prices checked Nov 7, 2026

Fiio KB3 vs Mechboards NIBBLE

Get the Fiio KB3 for hot-swappable. Get the Mechboards NIBBLE for knob.

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Quick verdict

Which one should you get?

Get the

Fiio KB3

Hot-swappable

Build quality in the bottom 25% of Numpad boards under $200.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Numpad only. This is not a full keyboard.
$154 at Mechkeys

Get the

Mechboards NIBBLE

Knob

Build quality in the top 40% of 65% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • 65% layout. No function row and no numpad.
$60 at Mechboards

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.

Fiio KB3

Mechboards NIBBLE

  • Layout size

    Numpad

    65%

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Case material

    Metal, Plastic

    Acrylic, Plastic

  • Mount style

    Gasket Mount

    PCB Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Fiio KB3
  • Mechboards NIBBLE
Performance
45
53
Build quality
51
71
Productivity
60
53
Customizability
76
77
Portability
88
59
See every spec side by side

Full specs

Fiio KB3 vs Mechboards NIBBLE specs

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

11 of 19 specs differ

Fiio KB3

Mechboards NIBBLE

Typing & switches

Switch options

Linear, Tactile
—

Hot-swappable

Yes
No

Mount style

Gasket Mount
PCB Mount

Screw-in stabilizers

No
Yes

Layout

Layout size

Numpad
65%

Layout standard

ANSI
ANSI, ISO

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired, Bluetooth
—

USB-C

Yes
No

Build & materials

Case material

Metal, Plastic
Acrylic, Plastic

Plate material

—
FR4

Weight

1,060 g
—

Dimensions

44 x 329 x 140 mm
—

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

Mac & Windows

Yes
No

Extras

Released

2023
2021

For EU buyers

ISO layouts by store

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

Fiio KB3

No ISO layout at the stores we track.

Mechboards NIBBLE

Listed on the product, not split by store: ISO.

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.

Fiio KB33 stores
Mechboards NIBBLE2 stores

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