Keychron K3 HE vs Q3 HELow-Profile or 8K Wired
Choose the K3 HE for a lighter, low-profile wireless board, or the Q3 HE for a heavier wired TKL with 8K polling and a knob.
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5.0 (6)5.0 · 6 reviews
from$119at Keychron
5.0 (8)5.0 · 8 reviews
from$224at MK
Which one should you get?
Get the
Keychron K3 HE
Build quality in the top 10% of 75% boards under $150.
- Three connection options: Bluetooth, 2.4 GHz, and wired.
- Low-profile 75% layout with a 580 g listed weight.
- Natural wood accents paired with an aluminum frame and aluminum plate.
- 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.
- Missing ISO-UK, ISO-Nordic, ISO-SW. The other board is sold in those layouts.
- No numpad.
Get the
Keychron Q3 HE
Battery
Build quality in the top 5% of 80% boards under $300.
- Wired polling options include up to 8000 Hz.
- Aluminum case, aluminum plate, gasket mount, and double-gasket design.
- 80% TKL layout with a knob and multi-media keys.
- 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-FR, ISO-ES. The other board is sold in those layouts.
- No numpad.
Pick the K3 HE if you want a lighter low-profile keyboard that can connect over Bluetooth or 2.4 GHz. Choose the Q3 HE if wired use is acceptable and you want its 8K polling option, TKL layout, knob, and aluminum gasket-mounted construction. Check the regional-layout and keycap compatibility limits before ordering either model.
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
Keychron Q3 HE
Layout size
75%
80%
Battery
2,600 mAh
4,000 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Max polling rate
1,000 Hz
8,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
ABS, Aluminum, Wood
Aluminum, Metal
- Keychron K3 HE
- Keychron Q3 HE
- Performance
- 92100
- Build quality
- 8688
- Productivity
- 8997
- Customizability
- 8998
- Portability
- 8278
- Hall effect (magnetic)
- Rapid trigger
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Switch options: Clicky, Linear, Magnetic, Tactile
- QMK
What will you mostly use it for?
The Q3 HE takes the gaming, programming, modding, and content-creation picks, largely because of its wired 8K option, TKL layout, knob, and gasket-mounted build. The K3 HE is the travel and office choice for buyers who value its lighter weight, low-profile design, and wireless connections. Those priorities can outweigh the Q3 HE's higher polling ceiling and larger layout. Both boards share magnetic-switch compatibility limits and Rapid Trigger features.
Pick the Keychron Q3 HE
- The Q3 HE supports up to 8000 Hz polling over its wired connection, compared with 1000 Hz for the K3 HE.
- Its adjustable actuation range is 0.1 to 3.35 mm, while the K3 HE range is 0.2 to 2.9 mm.
- Both models include Rapid Trigger, dynamic keystrokes, and analog mode.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 HE
6 owner reviews
“I am happy with this keyboard! I needed some time to adjust my typing habits, but so far so good.”
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 K3 HE vs Q3 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 30 specs differ
Keychron K3 HE
Keychron Q3 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Low profile
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
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
Keychron Q3 HE
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-SW
In stockDoes not ship to you
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.
Keychron K3 HE vs Q3 HE: your questions
The K3 HE is a low-profile 75% keyboard with Bluetooth, 2.4 GHz, and wired connectivity. The Q3 HE is a wired-only 80% TKL with a knob and polling options up to 8000 Hz.
No, the Q3 HE is listed as Type-C wired. The K3 HE supports Bluetooth, 2.4 GHz, and wired connections.
The Q3 HE supports up to 8000 Hz polling in wired mode, with lower polling options also listed. The K3 HE is listed at 1000 Hz.
Yes, both models are listed as hot-swappable and use magnetic switches. The K3 HE requires Keychron Ultra-Fast Lime low-profile magnetic switches, while the Q3 HE supports compatible magnetic switches, including Keychron Lime and Gateron Jade according to its vendor description.
No, both models require magnetic switches, and standard MX switches will not fit. The K3 HE also requires low-profile magnetic switches.
No, the K3 HE requires low-profile keycaps, so standard MX keycaps will not fit. Its north-facing LEDs can also cause Cherry-profile keycaps to hit the switch housing.
Yes, Rapid Trigger is listed for both keyboards. Both also support adjustable actuation, dynamic keystrokes, and analog mode.
The K3 HE is listed at 580 g, while the Q3 HE is listed at 1775 g. The K3 HE also offers Bluetooth and 2.4 GHz wireless connections, whereas the Q3 HE is wired-only.
The Q3 HE uses an 80% TKL layout and has a knob. Its product description says the Launcher web app can remap the knob function.
Both are listed as compatible with macOS and Windows, and both vendor descriptions also list Linux compatibility. The Q3 HE includes Mac and Windows keycaps in the assembled version.
The K3 HE is listed as missing ISO-UK, ISO-Nordic, and ISO-SW layouts. The Q3 HE is listed as missing ISO-FR and ISO-ES.
The Q3 HE has south-facing RGB LEDs, which can leave shine-through legends dark and may conflict with some sculpted keycaps. The K3 HE has north-facing RGB LEDs, and its compatibility guidance warns about Cherry-profile keycaps hitting the switch housing.
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