Head to head · Prices checked Oct 31, 2026

Keychron K3 HE vs MelGeek Mojo84

Get the Keychron K3 HE for rapid trigger. Get the MelGeek Mojo84 for the 4,000 mAh battery.

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Rapid trigger

Keychron K3 HE

4.4 · 8 reviews

from$119at Keychron

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Battery

MelGeek Mojo84

No reviews

from$129at MelGeek

90-day lowLowest price in 90 days

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Quick verdict

Which one should you get?

Get the

Keychron K3 HE

Rapid trigger

Build quality in the top 10% of 75% boards under $150.

Rules this board out

Magnetic switches only. Standard MX switches will not fit.
Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

$119 at Keychron

Get the

MelGeek Mojo84

Battery

Build quality in the bottom 50% of 75% boards under $150.

Rules this board out

Magnetic switches only. Standard MX switches will not fit.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$129 at MelGeek

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.

Keychron K3 HE

MelGeek Mojo84

Rapid trigger
Yes
No
Faster resets help in games and not in normal typing
Battery
2,600 mAh
4,000 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Case material
ABS, Aluminum, Wood
ABS, Plastic, Polycarbonate
Switch options
Clicky, Linear, Magnetic, Tactile
Clicky, Linear, Silent, Tactile

KeebFinder scores

How we score

Keychron K3 HE
MelGeek Mojo84

Performance: 92
83
Build quality: 86
64
Productivity: 88
78
Customizability: 89
71
Portability: 82
83

What they share

Layout size: 75%
Hall effect (magnetic)
Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Max polling rate: 1,000 Hz
Sound dampening

See every spec side by side

Full specs

Keychron K3 HE vs MelGeek Mojo84 specs

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

18 of 28 specs differ

Spec

Keychron K3 HE

MelGeek Mojo84

Typing & switches

Switch options

Clicky, Linear, Magnetic, Tactile

Clicky, Linear, Silent, Tactile

Hall effect (magnetic)

Yes

Rapid trigger

Yes

Hot-swappable

Yes

Mount style

Tray Mount

Gasket Mount, Plate Mount

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

75%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, JIS

ANSI

Ergonomics

Standard

Display

LED

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

Battery

2,600 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, Aluminum, Wood

ABS, Plastic, Polycarbonate

Plate material

Aluminum

Plastic

Keycaps

PBT

ABS, PBT

Weight

580 g

1,750 g

Dimensions

25 x 319 x 126 mm

34 x 141 x 326 mm

Typing angle

2°

7°

Backlight

RGB, north-facing

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2026

2023

For EU buyers

ISO layouts by store

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

Keychron K3 HE

Keychron
ISO-DE
In stockShips to you
Keychron (DE)
ISO-DE, ISO-FR, ISO-ES
In stockDoes not ship to you

MelGeek Mojo84

No ISO layout at the stores we track.

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.

Keychron K3 HE3 stores