Keychron K8 Ultra vs Q3 HE8K or Hall Effect
Get the K8 Ultra for its lighter build and ISO-ES layout, or the Q3 HE for Hall Effect switches, adjustable actuation, Rapid Trigger, and a knob.
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5.0 (4)5.0 · 4 reviews
from$119at MK
5.0 (8)5.0 · 8 reviews
from$224at MK
Which one should you get?
Get the
Keychron K8 Ultra
Build quality in the top 10% of 80% boards under $150.
- ISO-ES layout availability.
- Lower listed weight of 1299g.
- Explicit Linux compatibility.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Missing ISO-DE, ISO-UK, ISO-Nordic. The other board is sold in those layouts.
Get the
Keychron Q3 HE
Hall effect
Build quality in the top 5% of 80% boards under $300.
- Hall Effect magnetic switches with adjustable actuation and Rapid Trigger.
- Gasket mount, aluminum plate, and knob support.
- ISO-DE, ISO-UK, ISO-Nordic, and ISO-SW layout options.
- 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.
- Missing ISO-ES. The other board is sold in those layouts.
Choose the K8 Ultra for its lower weight, Linux compatibility, and ISO-ES option. Choose the Q3 HE for Hall Effect switches with adjustable actuation and Rapid Trigger, plus its aluminum plate, gasket mount, and knob. Check the Q3 HE's magnetic-switch limitation before planning switch replacements.
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 K8 Ultra
Keychron Q3 HE
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
Case material
ABS, Aluminum, Metal
Aluminum, Metal
Switch options
Clicky, Linear, Tactile
Clicky, Linear, Magnetic, Tactile
Mount style
Plate Mount
Gasket Mount, Plate Mount
- Keychron K8 Ultra
- Keychron Q3 HE
- Performance
- 90100
- Build quality
- 8388
- Productivity
- 9597
- Customizability
- 9298
- Portability
- 7778
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Battery: 4,000 mAh
- Max polling rate: 8,000 Hz
- QMK
What will you mostly use it for?
The Q3 HE is the more feature-specific gaming choice because it combines Hall Effect switches, adjustable actuation, and Rapid Trigger. The K8 Ultra is the more practical pick when lower weight, Linux compatibility, or ISO-ES matters. Programming is a close call, with both offering QMK and VIA support but different regional layouts and physical features. The Q3 HE's knob and mount options make it more appealing for configuration-focused builds, while the K8 Ultra is easier to carry between setups.
Pick the Keychron Q3 HE
- Hall Effect magnetic switches support adjustable actuation and Rapid Trigger.
- The Q3 HE lists 8K polling alongside its magnetic-switch gaming features.
- The K8 Ultra also lists 8K polling, but its listed switches are mechanical Apex options rather than Hall Effect.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K8 Ultra
4 owner reviews
“The order is exactly what i had ordered, and exceeds everything i had expected”
Keychron Q3 HE
8 owner reviews
“I am loving this kb, the rapid trigger is solid and the sound is surprisingly great for linear switches. Finally, I can jiggle peek correctly all the time without my kb holding me off. The keyboard looks and feels great!”
Keychron K8 Ultra vs Q3 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 29 specs differ
Keychron K8 Ultra
Keychron Q3 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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.
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron K8 Ultra
- Go to Keychron (DE)
Keychron (DE)
ISO-ES
In stockDoes not ship to you
Keychron Q3 HE
- Go to Keychron
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-SW
Out of stockShips to you
- Go to Keychron (DE)
Keychron (DE)
ISO-DE, ISO-UK, ISO-SW
In stockDoes not ship to you
Keychron K8 Ultra vs Q3 HE: your questions
The K8 Ultra is a lighter 80% keyboard with mechanical Apex switch options and an ISO-ES layout option. The Q3 HE adds Hall Effect magnetic switches, adjustable actuation, Rapid Trigger, and knob support.
The Q3 HE is the more gaming-focused choice if you want Hall Effect switches with adjustable actuation and Rapid Trigger. The K8 Ultra also lists an 8000 Hz polling rate, but its listed switch options are mechanical.
Rapid Trigger is listed as a feature of the Q3 HE, not the K8 Ultra. The K8 Ultra vendor description instead highlights its 8000 Hz polling rate and mechanical Apex switches.
No, the Q3 HE is listed as compatible only with the specified Lemokey Ultra-fast Lime Magnetic Switch. Its product description says standard MX switches will not fit.
The K8 Ultra is listed at 1299g, while the Q3 HE is listed at 1775g. That makes the K8 Ultra the lighter option for buyers who move their keyboard between locations.
Yes, the K8 Ultra vendor description explicitly lists compatibility with Linux as well as macOS and Windows. The Q3 HE listing specifies Mac and Windows support, but does not list Linux.
The K8 Ultra is listed with ISO-ES availability. The Q3 HE lists ISO-DE, ISO-UK, ISO-Nordic, and ISO-SW, but not ISO-ES.
Both product specifications list 8000 Hz polling. Keychron describes the K8 Ultra as reaching 8000 Hz in wired and wireless modes, while the Q3 HE specification lists both 1000 Hz and 8000 Hz.
Knob support is listed for the Q3 HE, and its vendor page describes the fully assembled version as including a knob. The K8 Ultra feature list does not include knob support.
Both keyboards list hot-swap support. The Q3 HE has a specific switch limitation: it supports the specified magnetic switch only, rather than standard MX switches.
Both are listed with south-facing LEDs, and their compatibility notes warn that shine-through legends stay dark. The notes also caution that some sculpted keycaps can clip the LED.
The Q3 HE lists a gasket mount, aluminum plate, knob support, and a DIY kit/barebones option. The K8 Ultra also supports hot-swapping and has a steel plate, so it remains a fit for users focused on changing switches.
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