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Head to head · Prices checked Oct 25, 2026

Double shell DoubleShell DS84i vs Keychron K3 Max

Get the Double shell DoubleShell DS84i for knob. Get the Keychron K3 Max for qmk and via.

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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.

Double shell DoubleShell DS84i

Keychron K3 Max

  • Switch options

    Linear, Tactile

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Weight

    798 g

    580 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Double shell DoubleShell DS84i
  • Keychron K3 Max
Performance
62
81
Build quality
40
86
Productivity
59
94
Customizability
59
91
Portability
74
77

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
See every spec side by side

Full specs

Double shell DoubleShell DS84i vs Keychron K3 Max specs

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

13 of 28 specs differ

Double shell DoubleShell DS84i

Keychron K3 Max

Typing & switches

Switch options

Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount

Low profile

Yes
Yes

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

—
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS, Aluminum, Plastic, Wood

Plate material

—
Aluminum, Plastic, Polycarbonate

Keycaps

PBT
ABS, PBT

Weight

798 g
580 g

Dimensions

25 x 153 x 314 mm
22 x 306 x 116 mm

Typing angle

—
3°, 7°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2023
2023

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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