Head to head · Prices checked Nov 10, 2026

Azio KB540 vs Keychron B1 Pro

Get the Azio KB540 for hot-swappable.

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Hot-swappable

Azio KB540

No reviews

from$45at Azio

Compare 2 stores

Keychron B1 Pro

4.4 (7)4.4 · 7 reviews

from$37at MK

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Azio KB540

Hot-swappable

Build quality in the bottom 40% of 100% boards under $100.

Rules this board out

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

$45 at Azio

Get the

Keychron B1 Pro

Build quality in the bottom 5% 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.

$37 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.

Azio KB540

Keychron B1 Pro

Layout size
100%
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
Low profile
No
Yes
Case material
Plastic
ABS, Plastic

KeebFinder scores

How we score

Azio KB540
Keychron B1 Pro

Performance: 65
50
Build quality: 52
42
Productivity: 77
68
Customizability: 69
46
Portability: 55
78

See every spec side by side

Full specs

Azio KB540 vs Keychron B1 Pro specs

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

12 of 20 specs differ

Spec

Azio KB540

Keychron B1 Pro

Typing & switches

Switch options

—

Clicky, Linear, Tactile

Hot-swappable

Yes

Low profile

Yes

Layout

Layout size

100%

75%

Layout standard

ANSI

ANSI, ISO, JIS

Ergonomics

Standard

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, Wired

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

Battery

—

800 mAh

USB-C

Yes

Build & materials

Case material

Plastic

ABS, Plastic

Keycaps

ABS, PBT

ABS

Weight

816 g

425 g

Dimensions

27 x 195 x 459 mm

5 x 296 x 130 mm

Typing angle

—

3°

Backlight

RGB

None

Firmware & software

Mac & Windows

Yes

Extras

Released

2020

2024

For EU buyers

ISO layouts by store

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

Azio KB540

No ISO layout at the stores we track.

Keychron B1 Pro

Keychron
ISO
In stockShips to you
Keychron (DE)
ISO
In stockDoes not ship to you

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.

Azio KB5402 stores