Head to head · Prices checked Nov 1, 2026

Jamesdonkey RS2 4.0 vs Keychron

Get the Jamesdonkey RS2 4.0 for qmk and sound dampening.

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QMK

Jamesdonkey RS2 4.0

from$99at Mechkeys

Compare 3 stores

Keychron

from$19at Input Gear

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Jamesdonkey RS2 4.0

QMK

Build quality in the top 40% of 96% boards under $100.

Rules this board out

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

$99 at Mechkeys

Get the

Keychron

$19 at Input Gear

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

Keychron

QMK
Yes
No
The deep option when you want to remap every key
Sound dampening
Yes
No
Layout standard
ANSI
ANSI, ISO, ISO-DE, ISO-FR, ISO-UK
ISO and JIS exist so regional layouts fit
Backlight
RGB
White
RGB for looks and low light rather than speed
Media keys
Yes
No

KeebFinder scores

How we score

Jamesdonkey RS2 4.0
Keychron

Performance: 58
46
Build quality: 71
66
Productivity: 93
46
Customizability: 82
67
Portability: 53
42

What they share

Hot-swappable
Case material: Aluminum
Knob

See every spec side by side

Full specs

Jamesdonkey RS2 4.0 vs Keychron specs

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

8 of 21 specs differ

Spec

Jamesdonkey RS2 4.0

Keychron

Typing & switches

Switch options

Linear

—

Hot-swappable

Yes

Mount style

Gasket Mount

—

Sound dampening

Yes

Layout

Layout size

96%

—

Layout standard

ANSI

ANSI, ISO, ISO-DE, ISO-FR, ISO-UK

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

—

Battery

4,000 mAh

—

USB-C

Yes

Build & materials

Case material

Aluminum

Keycaps

PBT

—

Weight

1,150 g

—

Dimensions

34 x 405 x 138 mm

—

Backlight

RGB

White

Firmware & software

QMK

Yes

Mac & Windows

Yes

Extras

Released

2024

2026

For EU buyers

ISO layouts by store

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

Jamesdonkey RS2 4.0

No ISO layout at the stores we track.

Keychron

Input Gear
ISO-DE, ISO-UK, ISO-FR
In stockShips 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.

Jamesdonkey RS2 4.03 stores