Head to head · Prices checked Nov 7, 2026

Keychron B40 vs Q6 Max

Get the Keychron Q6 Max for hot-swappable and the 4,000 mAh battery.

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

Keychron B40

No reviews

from$49at Keychron

Compare 2 stores

Hot-swappable

Keychron Q6 Max

3.7 (26)3.7 · 26 reviews

from$200at MK

Compare 5 stores

Quick verdict

Which one should you get?

Get the

Keychron B40

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

$49 at Keychron

Get the

Keychron Q6 Max

Hot-swappable

Build quality in the top 5% of 100% boards under $300.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

$200 at MK

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.

Keychron B40

Keychron Q6 Max

Layout size
75%
100%
Hot-swappable
No
Yes
Switch changes without soldering
Battery
800 mAh
4,000 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Ergonomics
Alice
Standard

KeebFinder scores

How we score

Keychron B40
Keychron Q6 Max

Performance: 52
80
Build quality: 45
91
Productivity: 82
96
Customizability: 46
100
Portability: 78
54

What they share

Connection: Bluetooth, 2.4 GHz, Wired
Max polling rate: 1,000 Hz
Switch options: Clicky, Linear, Tactile
Knob

See every spec side by side

Full specs

Keychron B40 vs Q6 Max specs

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

19 of 28 specs differ

Spec

Keychron B40

Keychron Q6 Max

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

—

Gasket Mount, PCB Mount

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

100%

Layout standard

ANSI

ANSI, ISO, ISO-CH, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, JIS

Ergonomics

Alice

Standard

Knob

Yes

Display

None

LED

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

Battery

800 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS

Aluminum

Plate material

—

Plastic, Polycarbonate

Keycaps

ABS

PBT

Weight

595 g

2,184 g

Dimensions

—

20 x 137 x 446 mm

Typing angle

7°

5°

Backlight

None

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2026

2024

For EU buyers

ISO layouts by store

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

Keychron B40

No ISO layout at the stores we track.

Keychron Q6 Max

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
Out of stockDoes not ship to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES
Out of stockDoes not ship to you

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 B402 stores