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Head to head · Prices checked Nov 14, 2026

Jamesdonkey R3 HE vs RS2 4.0Magnetic or Wireless

Choose the R3 HE for magnetic switches, Rapid Trigger and 8K polling, or the RS2 4.0 for Bluetooth and 2.4 GHz wireless, a numpad and a QMK-based driver.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey R3 HE

Hall effect

Build quality in the bottom 45% of 65% boards under $150.

If you want

  • Hall Effect magnetic switches with Rapid Trigger and adjustable trigger response described by the vendor.
  • An 8000 Hz polling rate.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • 65% layout. No function row and no numpad.

Get the

Jamesdonkey RS2 4.0

Build quality in the top 35% of 96% boards under $100.

If you want

  • Bluetooth and 2.4 GHz wireless connectivity, plus a listed 4000mAh battery.
  • A 96% layout with a numpad, multimedia keys and a volume knob.
  • QMK support and a QMK-based web driver described by the vendor.

Rules this board out

  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Bottom line

Get the R3 HE if magnetic Hall Effect switches, Rapid Trigger and 8000 Hz polling are your priorities. Choose the RS2 4.0 if you want Bluetooth or 2.4 GHz wireless, a numpad, multimedia controls and QMK-based customization. Its compact full-size layout keeps the numpad while omitting the gaps of a full-size board.

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 R3 HE

Jamesdonkey RS2 4.0

  • Layout size

    65%

    96%

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Magnetic

    Linear

KeebFinder scores

How we score
  • Jamesdonkey R3 HE
  • Jamesdonkey RS2 4.0
Performance
91
57
Build quality
59
70
Productivity
54
93
Customizability
57
82
Portability
66
53

What they share

  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Best for

What will you mostly use it for?

The R3 HE is the clear fit for gaming features centered on magnetic switches, Rapid Trigger and high polling. The RS2 4.0 is more suited to office work, programming and media tasks where a numpad and dedicated controls matter. Its wireless modes also give it the edge for setups where a cable-free connection is useful. For customization, the RS2 4.0 has the more clearly documented QMK-based driver, while the R3 HE's magnetic switches are a specialized fit rather than standard MX replacements.

For gaming

Pick the Jamesdonkey R3 HE

  • The R3 HE has magnetic Hall Effect switches and Rapid Trigger.
  • Its listed polling rate is 8000 Hz, and the vendor describes 0.01 mm Rapid Trigger accuracy.

Full specs

Jamesdonkey R3 HE vs RS2 4.0 specs

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

15 of 25 specs differ

Jamesdonkey R3 HE

Jamesdonkey RS2 4.0

Typing & switches

Switch options

Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

65%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Keycaps

PBT, PC
PBT

Weight

1,112 g
1,150 g

Dimensions

43 x 316 x 106 mm
34 x 405 x 138 mm

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2025
2024

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

FAQ

Jamesdonkey R3 HE vs RS2 4.0: your questions

The R3 HE is the more gaming-focused option, with Hall Effect magnetic switches, Rapid Trigger and a listed 8000 Hz polling rate. The RS2 4.0 uses linear mechanical switches and offers Bluetooth, 2.4 GHz and wired connectivity.

Yes, the R3 HE lists Rapid Trigger as an extra feature. Its vendor description says the feature has 0.01 mm movement accuracy and describes an adjustable trigger response from 0.1 mm to 3.5 mm.

No, the R3 HE is specified for magnetic switches, and standard MX switches will not fit its sockets. The RS2 4.0 is listed as hot-swappable and uses Kailh Ice Cream linear switches according to its vendor description.

Yes, the RS2 4.0 supports Bluetooth and 2.4 GHz wireless as well as wired connectivity. Its specifications also list a 4000mAh battery.

The RS2 4.0 has a numpad in its compact full-size layout. The R3 HE is a 65% keyboard, and its layout does not include a numpad or function row.

The RS2 4.0 lists QMK support. Its vendor describes the web-based driver as QMK-based and says to use that driver in wired mode.

The RS2 4.0 is a practical fit if your programming workflow uses a numpad or dedicated multimedia controls. It has a 96% layout, a volume knob and QMK support.

Yes, the RS2 4.0 lists both Bluetooth and 2.4 GHz wireless modes, alongside wired connectivity. The R3 HE is listed as wired only.

The R3 HE uses magnetic Hall Effect switches and supports Rapid Trigger. The RS2 4.0 uses linear Kailh Ice Cream switches, which its vendor describes as having a 1.0 mm trigger stroke and 3.5 mm total travel.

The RS2 4.0 can connect over Bluetooth or 2.4 GHz without a wired connection, and it has a listed 4000mAh battery. Both boards are substantial, with listed weights of 1150 g for the RS2 4.0 and 1112 g for the R3 HE.

Both keyboards list hot-swappable switches. The R3 HE requires magnetic switches, while the RS2 4.0 is described with Kailh Ice Cream linear mechanical switches.

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