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Head to head · Prices checked Oct 28, 2026

Ajazz AK832 Pro vs Keychron B40

Get the Ajazz AK832 Pro for rapid trigger and the 2,500 mAh battery. Get the Keychron B40 for knob.

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Quick verdict

Which one should you get?

Get the

Ajazz AK832 Pro

Rapid trigger

Build quality in the bottom 30% of 75% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.

Get the

Keychron B40

Knob

Build quality in the bottom 15% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.

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.

Ajazz AK832 Pro

Keychron B40

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Battery

    2,500 mAh

    800 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Standard

    Alice

  • Case material

    ABS, Aluminum, Plastic

    ABS

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Ajazz AK832 Pro
  • Keychron B40
Performance
55
53
Build quality
57
46
Productivity
69
81
Customizability
52
46
Portability
75
78

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Low profile
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Full specs

Ajazz AK832 Pro vs Keychron B40 specs

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

11 of 23 specs differ

Ajazz AK832 Pro

Keychron B40

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Rapid trigger

Yes
No

Mount style

Gasket Mount
—

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Alice

Knob

No
Yes

Display

TFT
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

2,500 mAhBetter
800 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic
ABS

Plate material

Aluminum
—

Keycaps

PBT
ABS

Weight

700 g
595 g

Dimensions

26 x 135 x 318 mm
—

Typing angle

—
7°

Backlight

RGB
None

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2023
2026

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Keychron B402 stores

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