Head to head · Prices checked Oct 28, 2026

Ajazz AK35I V3 Max vs Keychron K4 HE

Get the Ajazz AK35I V3 Max for the 8,000 mAh battery. Get the Keychron K4 HE for hall effect and rapid trigger.

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Battery

Ajazz AK35I V3 Max

No reviews

from$105at WhatGeek

Compare 2 stores

Hall effect

Keychron K4 HE

4.2 · 10 reviews

from$118at MK

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Ajazz AK35I V3 Max

Battery

Build quality in the top 25% of 100% boards under $150.

Rules this board out

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.

$105 at WhatGeek

Get the

Keychron K4 HE

Hall effect

Build quality in the top 10% of 96% boards under $150.

Rules this board out

Magnetic switches only. Standard MX switches will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

$118 at MK

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.

Ajazz AK35I V3 Max

Keychron K4 HE

Layout size
100%
96%
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired, 2.4 GHz
Wireless for several devices and wired for lower latency
Battery
8,000 mAh
4,000 mAh
A larger battery means fewer cables during the day

KeebFinder scores

How we score

Ajazz AK35I V3 Max
Keychron K4 HE

Performance: 78
92
Build quality: 67
87
Productivity: 85
94
Customizability: 76
89
Portability: 67
56

What they share

Hot-swappable
Sound dampening
Keycaps: PBT

See every spec side by side

Full specs

Ajazz AK35I V3 Max vs Keychron K4 HE specs

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

16 of 28 specs differ

Spec

Ajazz AK35I V3 Max

Keychron K4 HE

Typing & switches

Switch options

Linear

Clicky, Linear, Magnetic, Tactile

Hall effect (magnetic)

Yes

Rapid trigger

Yes

Hot-swappable

Yes

Mount style

—

Tray Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

100%

96%

Layout standard

ANSI

ANSI, ISO, ISO-CH, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard

Knob

Yes

Display

TFT

None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Bluetooth, Wired, 2.4 GHz

Max polling rate

—

1,000 Hz

Battery

8,000 mAhBetter

4,000 mAh

USB-C

Yes

Build & materials

Case material

Aluminum

ABS, Aluminum, Plastic, Wood

Plate material

FR4

Aluminum

Keycaps

PBT

Weight

—

1,090 g

Dimensions

—

31 x 126 x 373 mm

Typing angle

—

5°, 8°

Backlight

RGB, south-facing

RGB, north-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2024

2025

For EU buyers

ISO layouts by store

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

Ajazz AK35I V3 Max

No ISO layout at the stores we track.

Keychron K4 HE

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

Ajazz AK35I V3 Max2 stores