Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 7, 2026

Azio IZO Numpad vs Keychron B31

Get the Azio IZO Numpad for hot-swappable and the 1,000 mAh battery.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Azio IZO Numpad

Hot-swappable

Build quality in the bottom 15% of Numpad boards under $100.

Rules this board out

  • Numpad only. This is not a full keyboard.

Get the

Keychron B31

Build quality in the bottom 20% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No 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.

Azio IZO Numpad

Keychron B31

  • Layout size

    Numpad

    75%

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    1,000 mAh

    800 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    ABS, Plastic

KeebFinder scores

How we score
  • Azio IZO Numpad
  • Keychron B31
Performance
59
59
Build quality
48
52
Productivity
59
69
Customizability
54
47
Portability
86
78
See every spec side by side

Full specs

Azio IZO Numpad vs Keychron B31 specs

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

12 of 21 specs differ

Azio IZO Numpad

Keychron B31

Typing & switches

Switch options

Clicky, Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
No

Mount style

—
PCB Mount

Layout

Layout size

Numpad
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

1,000 mAhBetter
800 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Keycaps

PBT
ABS

Weight

221 g
520 g

Dimensions

42 x 150 x 92 mm
26 x 138 x 327 mm

Typing angle

—
5°

Backlight

White
None

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2021
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.

Keychron B314 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.