Head to head · Prices checked Oct 28, 2026

Cidoo ABM066 Alice vs Keychron B40

Get the Cidoo ABM066 Alice for hot-swappable and the 3,000 mAh battery.

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Hot-swappable

Cidoo ABM066 Alice

3.5 · 23 reviews

from$69at Mechkeys

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Keychron B40

No reviews

from$49at Keychron

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Cidoo ABM066 Alice

Hot-swappable

Build quality in the top 25% of 65% boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
65% layout. No function row and no numpad.

$69 at Mechkeys

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 numpad.

$49 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.

Cidoo ABM066 Alice

Keychron B40

Layout size
65%
75%
Connection
Wireless
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Hot-swappable
Yes
No
Switch changes without soldering
Battery
3,000 mAh
800 mAh
A larger battery means fewer cables during the day
Low profile
No
Yes

KeebFinder scores

How we score

Cidoo ABM066 Alice
Keychron B40

Performance: 54
53
Build quality: 77
46
Productivity: 77
81
Customizability: 87
46
Portability: 80
78

What they share

Ergonomics: Alice
Knob

See every spec side by side

Full specs

Cidoo ABM066 Alice vs Keychron B40 specs

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

16 of 25 specs differ

Spec

Cidoo ABM066 Alice

Keychron B40

Typing & switches

Switch options

Clicky, Silent

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

—

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

65%

75%

Layout standard

ANSI

Ergonomics

Alice

Knob

Yes

Display

Yes

None

Connectivity & battery

Connection

Wireless

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

Battery

3,000 mAhBetter

800 mAh

USB-C

Yes

Build & materials

Case material

—

ABS

Keycaps

—

ABS

Weight

700 g

595 g

Dimensions

40 x 121 x 371 mm

—

Typing angle

—

7°

Backlight

RGB, south-facing

None

Firmware & software

VIA

Yes

N-key rollover

Yes

Mac & Windows

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.

Cidoo ABM066 Alice2 stores