Head to head · Prices checked Nov 11, 2026

Azio Cascade Slim vs Keychron K3 Pro

Get the Azio Cascade Slim for the 4,000 mAh battery. Get the Keychron K3 Pro for qmk.

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Battery

Azio Cascade Slim

Cascade Slim 75% Wireless Hot-Swappable Keyboard

No reviews

from$79at Azio

Compare 2 stores

QMK

Keychron K3 Pro

4.8 (52)4.8 · 52 reviews

from$67at Keychron

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Azio Cascade Slim

Battery

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

Rules this board out

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.

$79 at Azio

Get the

Keychron K3 Pro

QMK

Build quality in the top 15% of 75% boards under $100.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

$67 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.

Azio Cascade Slim

Keychron K3 Pro

Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
1,550 mAh
A larger battery means fewer cables during the day
Case material
Aluminum
ABS, Aluminum, Plastic
Weight
1,111 g
525 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key

KeebFinder scores

How we score

Azio Cascade Slim
Keychron K3 Pro

Performance: 75
82
Build quality: 74
81
Productivity: 87
80
Customizability: 79
89
Portability: 80
77

What they share

Layout size: 75%
Hot-swappable
Low profile
Switch options: Clicky, Linear, Tactile

See every spec side by side

Full specs

Azio Cascade Slim vs Keychron K3 Pro specs

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

14 of 26 specs differ

Spec

Azio Cascade Slim

Keychron K3 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile

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

Ergonomics

Standard

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Bluetooth, Wired

Max polling rate

—

1,000 Hz

Battery

4,000 mAhBetter

1,550 mAh

USB-C

Yes

Build & materials

Case material

Aluminum

ABS, Aluminum, Plastic

Plate material

Aluminum

Plastic

Keycaps

ABS

ABS, PBT

Weight

1,111 g

525 g

Dimensions

41 x 126 x 27 mm

15 x 306 x 116 mm

Backlight

RGB

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2022

For EU buyers

ISO layouts by store

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

Azio Cascade Slim

No ISO layout at the stores we track.

Keychron K3 Pro

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
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.

Azio Cascade Slim2 stores