Is the Keychron C4 HE a full-size keyboard?

Yes. The C4 HE is listed with a 100% ANSI layout, and its vendor description also identifies it as full size.

Is the Keychron Q0 a full keyboard?

The Q0 vendor listing describes it as a custom number pad. It does not serve the same full-size keyboard role as the C4 HE.

Which keyboard has a higher polling rate, C4 HE or Q0?

The C4 HE is listed at 8000 Hz, while the Q0 is listed at 1000 Hz. The C4 HE vendor description says its polling rate can be switched among 1000 Hz, 4000 Hz, and 8000 Hz through Launcher.

Does the Keychron C4 HE use Hall Effect switches?

Yes. The C4 HE is listed as a Hall Effect keyboard, and the vendor identifies its switches as Keychron Ultra-fast Lime Magnetic Switches. The vendor says compatible Hall Effect magnetic switches can be swapped.

Are the Keychron C4 HE and Q0 hot-swappable?

Both are listed as hot-swappable. The C4 HE vendor description specifies compatible Hall Effect magnetic switches, while the Q0 listing offers a barebone version without switches or keycaps.

Do the C4 HE and Q0 support QMK and VIA?

Both product metadata listings specify QMK and VIA support. The vendor descriptions also identify Keychron Launcher for remapping and macros.

Which Keychron keyboard is better for travel?

The Q0 has a much smaller listed footprint at 129 x 89 mm, compared with the C4 HE at 446 x 138 mm. However, the Q0 weighs 2200 g, so its compact size does not mean it is light.

What materials are used in the C4 HE and Q0?

The C4 HE has a plastic case, steel plate, and PBT keycaps. The Q0 has an aluminum case, steel plate, and PBT keycaps.

Which keyboard is more suitable for office work?

The C4 HE is the more complete office keyboard, with a 100% ANSI layout and multi-media keys. Its listing specifies Mac and Windows support; the Q0 is a number pad, and its vendor description lists macOS.

Does the C4 HE include acoustic foam?

The C4 HE vendor description specifies EVA acoustic foam and says the fully assembled package includes foams. The Q0 vendor listing names its PCB, case, and steel plate, but does not list foam in the package.

Can I buy the Keychron Q0 as a barebone kit?

Yes. The Q0 vendor listing offers a barebone version, which does not include keycaps or switches. Its fully assembled version includes double-shot OSA PBT keycaps and Gateron G Pro switches.

Can I adjust actuation on the Keychron C4 HE?

The C4 HE vendor description identifies its magnetic switch as having an adjustable actuation point and says Launcher can fine-tune actuation settings. The Q0 listing does not describe adjustable actuation.

Compare Keychron C4 HE vs Q0 Differences Side by Side

This comparison suits buyers deciding between a complete full-size keyboard and a standalone number pad. The C4 HE has Hall Effect magnetic switches, an 8000 Hz polling rate, and a gasket mount, while the Q0 uses an aluminum case and a tray mount. Both offer wired USB-C connectivity, PBT keycaps, hot-swappable switches, and QMK and VIA support. Their different roles matter more than their shared customization features.

Model
	90	84	Select a keyboard to compare
Rating	0.0 stars (0 reviews)	5.0 stars (3 reviews)
Purchase Options
Main differences	Released in 2026 Available in a 100% layout Compatible with both Mac and Windows Provides dedicated media keys Utilizes Hall effect sensors Has built-in sound dampening Uses a Gasket Mount mounting style Runs at a 8000 Hz polling rate Weighs about 970 g Sized at 30 x 446 x 138 mm Made with a Plastic case Offers Yes, Rgb, North-face, Rgb North-face RGB lighting	Released in 2022 Available in a 60% layout Uses a Tray Mount mounting style Runs at a 1000 Hz polling rate Weighs about 2200 g Sized at 20 x 129 x 89 mm Made with a Aluminum case Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 89.2 Build Quality: 83.1 Productivity: 95.3 Customizability: 92.1 Portability: 45.3	Scores Performance: 63.4 Build Quality: 84.9 Productivity: 71.6 Customizability: 92 Portability: 68.1
Name	Name Keychron C4 HE	Name Keychron Q0
Release year	Release year 2026	Release year 2022
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 100%	Layout Size 60%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Wired, Wired only	Connection Wired, Wired only
Polling Rate	Polling Rate 8000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style Tray Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, North-face	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 30 x 446 x 138 mm	Dimensions 20 x 129 x 89 mm
Weight	Weight 970g	Weight 2200g

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Pros and Trade-offs

Choose the C4 HE if you need one full-size keyboard and value Hall Effect switches, adjustable actuation, and 8000 Hz polling. Choose the Q0 if you already have a keyboard and want a compact aluminum number pad with QMK and VIA support. For travel, consider the Q0's small footprint alongside its 2200 g weight.

Keychron C4 HE

+Full-size ANSI layout with multi-media keys.
+Hall Effect magnetic switches and 8000 Hz polling rate.
+Gasket mount, steel plate, and plastic case.
+PBT keycaps, screw-in stabilizers, and sound dampening.
+Vendor description specifies adjustable actuation and EVA acoustic foam.

−Wired-only connectivity and a full-size footprint make it less convenient to carry than the Q0.
−The listed switch-swapping option is for compatible Hall Effect magnetic switches, not general MX-style switches.

Keychron Q0

+Compact 129 x 89 mm footprint for a standalone number pad.
+Aluminum case and steel plate.
+Hot-swappable switches with QMK and VIA support.
+Available as a barebone kit or fully assembled, according to the vendor listing.

−The 2200 g weight is substantial despite the small footprint.
−Its number-pad role does not replace the C4 HE's full-size keyboard layout.
−Its 1000 Hz polling rate is lower than the C4 HE's 8000 Hz.

Which Keyboard Is Better for Your Needs?

The C4 HE is the more self-contained choice for gaming, office work, programming, and content creation because it is a full-size keyboard with Hall Effect switches. The Q0 fits a different role, adding number-pad input in a much smaller footprint, although it is heavy for travel. Modding is close: both support hot-swapping and QMK and VIA, while the Q0's barebone option and the C4 HE's magnetic switch design offer different customization routes.

GamingKeychron C4 HE

•The C4 HE has Hall Effect magnetic switches and an 8000 Hz polling rate.
•The Q0 is a number pad with a 1000 Hz polling rate, rather than a full keyboard.

OfficeKeychron C4 HE

•The C4 HE has a 100% ANSI layout and multi-media keys.
•The C4 HE listing specifies Mac and Windows support, while the Q0 vendor description lists macOS.

ProgrammingKeychron C4 HE

•The C4 HE provides a full-size ANSI keyboard layout for general typing.
•Both have QMK and VIA support, but the Q0 is listed as a number pad.

TravelKeychron Q0

•The Q0 measures 129 x 89 mm, much smaller in footprint than the C4 HE at 446 x 138 mm.
•The Q0 weighs 2200 g, so its small footprint does not make it lightweight.

ModdingTie

•Both keyboards are hot-swappable and list QMK and VIA support.
•The Q0 is offered as a barebone kit, while the C4 HE vendor description identifies compatible Hall Effect switch swapping.

Content CreationKeychron C4 HE