Head to head · Prices checked Oct 31, 2026

Keychron B40 vs K2 HE

Get the Keychron K2 HE for hall effect and rapid trigger.

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Keychron B40

No reviews

from$49at Keychron

Compare 2 stores

Hall effect

Keychron K2 HE

4.4 (54)4.4 · 54 reviews

from$129at Keychron

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.

$49 at Keychron

Get the

Keychron K2 HE

Hall effect

Build quality in the top 5% of 75% boards under $150.

Rules this board out

Magnetic switches only. Standard MX switches will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

$129 at Keychron

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 K2 HE

Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
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

KeebFinder scores

How we score

Keychron B40
Keychron K2 HE

Performance: 53
93
Build quality: 46
91
Productivity: 82
97
Customizability: 46
98
Portability: 78
81

What they share

Layout size: 75%
Connection: Bluetooth, 2.4 GHz, Wired
Max polling rate: 1,000 Hz
Knob

See every spec side by side

Full specs

Keychron B40 vs K2 HE specs

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

20 of 30 specs differ

Spec

Keychron B40

Keychron K2 HE

Typing & switches

Switch options

Clicky, Linear, Tactile

Linear, Magnetic

Hall effect (magnetic)

Yes

Rapid trigger

Yes

Hot-swappable

Yes

Mount style

—

Plate Mount, Tray Mount

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

Layout standard

ANSI

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

Ergonomics

Alice

Standard

Knob

Yes

Display

None

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

ABS, Aluminum, Resin, Wood

Plate material

—

Aluminum

Keycaps

ABS

ABS, PBT, PC

Weight

595 g

1,743 g

Dimensions

—

41 x 127 x 321 mm

Typing angle

7°

12°, 4°, 5°

Backlight

None

RGB, north-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 K2 HE

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips to you
Input Gear
ISO-DE
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
In 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