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Head to head · Prices checked Nov 10, 2026

Azio Cascade Slim vs Keychron K3

Get the Azio Cascade Slim for the 4,000 mAh battery and sound dampening.

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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.

Get the

Keychron K3

Build quality in the bottom 40% of 75% boards under $150.

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.

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

  • 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

  • Sound dampening

    Yes

    No

  • Layout standard

    ANSI

    ANSI, ISO, ISO-FR

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Azio Cascade Slim
  • Keychron K3
Performance
75
64
Build quality
74
61
Productivity
87
66
Customizability
79
68
Portability
81
80

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 specs

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

12 of 24 specs differ

Azio Cascade Slim

Keychron K3

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount

Low profile

Yes
Yes

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-FR

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Battery

4,000 mAhBetter
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum

Plate material

Aluminum
Plastic

Keycaps

ABS
ABS, PBT

Weight

1,111 g
—

Dimensions

41 x 126 x 27 mm
—

Typing angle

—
6°

Backlight

RGB
RGB, north-facing

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
2023

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

  • Keychron (DE)

    ISO-FR

    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 K33 stores

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