Keychron K2 HE vs K3 Max SEMagnetic vs Low Profile
Choose the K2 HE for magnetic-switch gaming features and deeper customization, or the K3 Max SE for an ultra-slim portable build with traditional switch choices.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
4.3 (55)4.3 · 55 reviews
from$129at Keychron
5.0 (2)5.0 · 2 reviews
from$104at Keychron
Which one should you get?
Get the
Keychron K2 HE
Magnetic
Build quality in the top 5% of 75% boards under $150.
- Magnetic Gateron Double-Rail switches enable adjustable actuation (0.2 to 3.8 mm) and Rapid Trigger for gaming.
- Rich internal dampening with 3.5 mm EVA foam, EPDM foam, silicone pad, and PET film for a thocky sound.
- 4000 mAh battery offers long wireless life with 2.4 GHz and Bluetooth 5.2 connectivity.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Get the
Keychron K3 Max SE
Low Profile
Build quality in the top 30% of 75% boards under $150.
- Ultra-slim low-profile design at 16.46 mm front height (without keycaps) for easy transport and desk fit.
- Lightweight at 566 g with ABS + wood body, ideal for frequent travel.
- Choice of linear (Red), tactile (Brown), or Banana switches for personalized typing feel.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
If your priority is cutting-edge gaming performance with magnetic switches, adjustable actuation, and deep firmware control, the Keychron K2 HE is the stronger choice. If you need an ultra-slim, lightweight keyboard for travel or an office environment where low-profile comfort matters, the K3 Max SE delivers excellent value. Both are capable 75% keyboards, but their distinct design philosophies mean each excels in different settings. Choose based on whether you value advanced gaming features over portability.
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 K2 HE
Keychron K3 Max SE
Hall effect (magnetic)
Yes
No
Adjustable actuation helps in games and not in normal typing
Rapid trigger
Yes
No
Faster resets help in games and not in normal typing
Battery
4,000 mAh
1,550 mAh
A larger battery means fewer cables during the day
Low profile
No
Yes
Case material
ABS, Aluminum, Resin, Wood
ABS, Wood
- Keychron K2 HE
- Keychron K3 Max SE
- Performance
- 9380
- Build quality
- 9174
- Productivity
- 9789
- Customizability
- 9886
- Portability
- 8180
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- QMK
- VIA
What will you mostly use it for?
The K2 HE wins in Gaming, Programming, Modding, and Content Creation due to its magnetic switch technology, adjustable actuation, and extensive custom firmware options. The K3 Max SE takes Office and Travel, driven by its ultra-slim profile and half the weight, making it the clear choice for on-the-go productivity. Both share 75% layouts and QMK support, so the edge goes to specialized features versus portability. There are no use cases where they tie, as their differentiators are mutually exclusive.
Pick the Keychron K2 HE
- Gateron Double-Rail Magnetic Nebula Switch with adjustable actuation from 0.2 to 3.8 mm.
- Rapid Trigger, Dynamic Keystrokes (4 actions per key), and Analog Mode for gamepad-like control.
- Industry-leading latency performance as per third-party testing.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K2 HE
55 owner reviews
“Lowering the actuation depth improved my reaction time in competitive games. Analog mode in racing titles feels surprisingly natural. The mouse glide is smooth.”
“I thought the macro didn't have infinite repetitions, but there are no helpful images anywhere on the internet. I still haven't found the answer.”
Keychron K3 Max SE
2 owner reviews
“Beautiful service from yourselves, got updates at every point required. Product is amazing and arrived wrapped well. Only issue was the courier delivering the parcel by throwing it into the house rather than handing it in person. Already reviewed their poor…”
Keychron K2 HE vs K3 Max SE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 30 specs differ
Keychron K2 HE
Keychron K3 Max SE
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 K2 HE
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips to you
Input Gear
ISO-DE
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
In stockDoes not ship to you
Keychron K3 Max SE
No ISO layout at the stores we track.
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 K2 HE vs K3 Max SE: your questions
The Keychron K2 HE is better for gaming due to its magnetic Gateron Double-Rail switches with adjustable actuation points from 0.2 to 3.8 mm and features like Rapid Trigger and Analog Mode. The K3 Max SE uses traditional mechanical switches (linear, tactile, or clicky) without these gaming-specific enhancements.
Yes, both offer 2.4 GHz, Bluetooth, and wired Type-C connectivity with a 1000 Hz polling rate in wired and 2.4 GHz modes. Both also support Bluetooth 5.2 for connecting to up to three devices, with Bluetooth polling at 125 Hz.
The K3 Max SE is far more portable at 566 g with a height of just 20 mm, making it easier to pack. The K2 HE is significantly heavier at 1743 g and taller, so the K3 Max SE is the clear choice for frequent travel.
Yes, both keyboards support QMK firmware and the Keychron Launcher web app for key remapping, macros, and lighting customization. The K2 HE also has a 256 KB MCU for added flexibility in programming.
The K2 HE uses Gateron Double-Rail Magnetic Nebula switches, which are linear and use magnetic sensing. The K3 Max SE uses Keychron Milk POM switches, available in linear (Red), tactile (Brown), or Banana (tactile) options.
Yes, both have hot-swappable switches and standard keycap stems. The K2 HE comes with either Cherry profile double-shot shine-through PBT (Standard) or OSA double-shot PBT (Special Edition). The K3 Max SE uses low-profile LSA double-shot PBT keycaps that are not shine-through.
The K2 HE has a larger 4000 mAh battery but its rated wireless working time is up to 110 hours. The K3 Max SE has a smaller 1550 mAh battery but a longer rated time of up to 120 hours, likely due to lower power draw from its low-profile switches.
Yes, both have north-facing RGB LED backlighting with 22+ modes. The K2 HE also includes a white backlight option, while the K3 Max SE offers per-key RGB and Mix RGB customization via the Launcher app.
The K2 HE uses an aluminum top case with an aluminum plate and ABS bottom case, while the Special Edition adds wood side frames. The K3 Max SE uses an ABS + wood body and an aluminum plate, focusing on a lighter, low-profile construction.
No, the K3 Max SE is only listed with an ANSI layout standard. The K2 HE offers a wide range of ISO layouts including UK, German, Nordic, and Swiss, making it more suitable for users needing non-ANSI key arrangements.
The K3 Max SE is better for office use due to its ultra-slim, lightweight design (566 g) that reduces desk clutter and fatigue, along with a longer rated wireless runtime of up to 120 hours. The K2 HE excels in customization for complex workflows but is larger.
Yes, the K2 HE features Analog Mode that detects press depth to provide variable input, similar to a game controller. This makes it suitable for racing games and simulations where nuanced speed control is needed.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.