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Head to head · Prices checked Oct 25, 2026

Jamesdonkey RS2 4.0 vs Qwertykeys QK65 Mk3

Get the Jamesdonkey RS2 4.0 for the 4,000 mAh battery and qmk.

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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.

Jamesdonkey RS2 4.0

Qwertykeys QK65 Mk3

  • Layout size

    96%

    65%

  • Battery

    4,000 mAh

    3,100 mAh

    A larger battery means fewer cables during the day

  • Display

    None

    LED

    A case display rather than a typing feature

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Media keys

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Qwertykeys QK65 Mk3
Performance
58
64
Build quality
71
69
Productivity
93
80
Customizability
82
71
Portability
53
89

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Jamesdonkey RS2 4.0 vs Qwertykeys QK65 Mk3 specs

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

6 of 23 specs differ

Jamesdonkey RS2 4.0

Qwertykeys QK65 Mk3

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
LED

Media keys

Yes
No

Connectivity & battery

Connection

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

Battery

4,000 mAhBetter
3,100 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
Plastic

Keycaps

PBT
—

Weight

1,150 g
—

Dimensions

34 x 405 x 138 mm
—

Typing angle

—
7°

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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.

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