What is the main difference between the Keychron K8 V2 and K9 Max?

The K8 V2 is an 80% keyboard with a 4000mAh battery, while the K9 Max is a 60% low-profile keyboard with a 1550mAh battery. The K9 Max adds 2.4 GHz connectivity and weighs less.

Which keyboard is smaller, the Keychron K8 V2 or K9 Max?

The K9 Max is smaller, measuring about 287 x 98 mm compared with the K8 V2 at 354 x 124 mm. It is also lighter at 426g, versus 800g for the K8 V2.

Does the Keychron K9 Max have 2.4 GHz wireless?

Yes, the K9 Max supports 2.4 GHz, Bluetooth, and wired connections. Keychron lists 1000 Hz polling for its 2.4 GHz and wired modes.

Does the Keychron K8 V2 support 2.4 GHz?

The K8 V2's listed connections are Bluetooth and wired, and Keychron's product description also identifies Bluetooth and wired connections. 2.4 GHz is listed for the K9 Max, not the K8 V2.

Which has a longer listed battery life, the K8 V2 or K9 Max?

The K8 V2 has a 4000mAh battery, and Keychron lists up to 190 hours. The K9 Max has a 1550mAh battery, with Keychron listing up to 73 hours.

Are the Keychron K8 V2 and K9 Max hot-swappable?

Both product listings include hot-swap support, but the vendor describes hot-swappable versions as options. Confirm the selected version before ordering, particularly for the K8 V2.

Which keyboard is easier to customize with different switches?

Keychron says the K8 V2 hot-swap version accepts almost all 3-pin and 5-pin MX-style switches. The K9 Max product description says its hot-swap version is currently compatible with Keychron Milk POM switches only.

Do the Keychron K8 V2 and K9 Max support QMK and VIA?

Both list QMK and VIA support. Keychron also describes using its Launcher web app for key remapping and macros on both models.

Which keyboard is better for programming, the K8 V2 or K9 Max?

The K8 V2's 80% layout may suit programmers who want more dedicated keys than the K9 Max's 60% layout. Both support QMK and Keychron Launcher for remapping keys and creating macros.

Which Keychron keyboard is better for travel?

The K9 Max is the more portable option based on its 426g weight and smaller dimensions of 287 x 98 mm. The K8 V2 weighs 800g and measures 354 x 124 mm.

Do the K8 V2 and K9 Max have acoustic foam?

Keychron describes the K8 V2 with IXPE, PET, and EPDM foam layers. The K9 Max product description names IXPE and latex foam.

Which connectivity modes does the Keychron K9 Max support?

The K9 Max supports 2.4 GHz, Bluetooth, and wired connections. Its vendor description says Bluetooth can connect to up to three devices.

Compare Keychron K8 V2 vs K9 Max Differences Side by Side

This comparison is for buyers choosing between a traditional 80% keyboard and a compact 60% low-profile model. The K8 V2 has a 4000mAh battery, aluminum-frame option, and more key space, while the K9 Max weighs less and adds 2.4 GHz wireless. Both offer QMK, VIA, hot-swap support, PBT keycaps, and 1000 Hz polling in specified modes. The choice comes down to layout and portability, with the K9 Max's low-profile switch compatibility being a consideration for customization.

Model
	83	85	Select a keyboard to compare
Rating	5.0 stars (1 reviews)	5.0 stars (2 reviews)
Purchase Options
Main differences	Released in 2024 Available in a 80% layout Uses a PCB Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Equipped with a 4000 mAh battery Weighs about 800 g Sized at 22 x 354 x 124 mm Made with a Aluminum, ABS case Offers Yes, Rgb, White RGB lighting	Released in 2025 Features a low-profile design Available in a 60% layout Includes screw-in stabilizers Has built-in sound dampening Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 1550 mAh battery Weighs about 426 g Sized at 25 x 287 x 98 mm Made with a ABS case Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Score	Scores Performance: 82.3 Build Quality: 78.9 Productivity: 80.6 Customizability: 89 Portability: 73.2	Scores Performance: 75.1 Build Quality: 77.3 Productivity: 91.5 Customizability: 91.6 Portability: 85.8
Name	Name Keychron K8 V2	Name Keychron K9 Max
Release year	Release year 2024	Release year 2025
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 80%	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 Bluetooth, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 4000 mAh	Battery capacity 1550 mAh
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 PCB Mount	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, ABS	Case Material ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 22 x 354 x 124 mm	Dimensions 25 x 287 x 98 mm
Weight	Weight 800g	Weight 426g

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Pros and Trade-offs

Choose the K8 V2 if you want a roomier 80% layout, a larger battery, or broader switch options in its hot-swap version. Choose the K9 Max if lower weight, a compact low-profile build, and 2.4 GHz wireless matter more. Check the exact hot-swap version before buying, since Keychron describes narrower switch compatibility for the K9 Max.

Keychron K8 V2

+80% ANSI layout with multimedia keys.
+4000mAh battery, with the vendor listing up to 190 hours.
+Hot-swap version supports almost all 3-pin and 5-pin MX-style switches, according to Keychron.
+Aluminum-frame option and vendor-described IXPE, PET, and EPDM foam layers.
+Bluetooth and wired connectivity, with Bluetooth support for up to three devices.

−At 800g and 354 x 124 mm, it is larger and heavier than the K9 Max.
−The vendor describes its 1000 Hz polling rate for wired mode, while the K9 Max also lists 2.4 GHz at 1000 Hz.
−The listed 4000mAh battery and up to 190-hour vendor claim are still lower capacity and runtime details to compare against buyers' needs, despite being larger than the K9 Max figures.

Keychron K9 Max

+Compact 60% ANSI layout and low-profile design.
+426g weight and 287 x 98 mm dimensions make it lighter and smaller than the K8 V2.
+2.4 GHz, Bluetooth, and wired connectivity, with 1000 Hz polling on 2.4 GHz and wired modes.
+Includes IXPE and latex acoustic foam, plus screw-in stabilizers in the listed features.
+Low-profile double-shot PBT keycaps and a 1550mAh battery rated by the vendor for up to 73 hours.

−Its 60% layout has fewer dedicated keys than the K8 V2's 80% layout.
−The vendor says the hot-swap version is currently compatible with Keychron Milk POM switches only.
−The 1550mAh battery and up to 73-hour vendor claim are smaller and shorter than the K8 V2's listed battery and vendor runtime.

Which Keyboard Is Better for Your Needs?

The K9 Max is the more travel-friendly option and has a clear connectivity advantage for wireless gaming through its 2.4 GHz mode. The K8 V2 suits buyers who want a larger layout for programming or content work, and its hot-swap version has broader stated switch compatibility. Office use is a close call: the K8 V2 offers more keys, while the K9 Max has specific acoustic foam features. Both provide QMK-based customization and multimedia keys.

GamingKeychron K9 Max

•The K9 Max supports 2.4 GHz wireless at 1000 Hz polling, as well as wired connectivity.
•The K8 V2 lists 1000 Hz polling, and its vendor description specifies that rate for wired mode.
•Both list N-key rollover for wired and wireless use.

OfficeTie

•The K8 V2's 80% layout provides more dedicated key space than the K9 Max's 60% layout.
•The K9 Max includes IXPE and latex acoustic foam, and its product description emphasizes quieter keystrokes.
•Both support Bluetooth and wired connections, and include multimedia keys.

ProgrammingKeychron K8 V2

•The K8 V2's 80% layout retains more keys than the K9 Max's 60% layout.
•Both support QMK and Keychron Launcher for remapping keys and creating macros.
•Both support Windows and macOS, and the vendor descriptions also list Linux support.

TravelKeychron K9 Max

•The K9 Max weighs 426g, compared with 800g for the K8 V2.
•The K9 Max is smaller at 287 x 98 mm, while the K8 V2 measures 354 x 124 mm.
•The K9 Max offers 2.4 GHz, Bluetooth, and wired connectivity.

ModdingKeychron K8 V2

•Both keyboards list hot-swap support, QMK, and VIA.
•Keychron says the K8 V2 hot-swap version accepts almost all 3-pin and 5-pin MX-style switches.
•The K9 Max vendor description says its hot-swap version is currently compatible with Keychron Milk POM switches only.

Content CreationKeychron K8 V2

•The K8 V2's 80% layout leaves more dedicated keys available than the K9 Max's 60% layout.
•Both support QMK and Keychron Launcher for key remapping and macros.
•Both include multimedia keys and N-key rollover.