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Head to head · Prices checked Nov 7, 2026

Keychron K1 SE vs K2 ProLow-Profile vs Full Customization

Choose the K1 SE for its slim, low-profile design, or the K2 Pro for deep customization and a premium typing feel.

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Quick verdict

Which one should you get?

Get the

Keychron K1 SE

Low-Profile

Build quality in the top 45% of 80% boards under $150.

If you want

  • Ultra-slim, low-profile design, described as 40% slimmer than conventional switches.
  • Reinforced aluminum top case for a premium look and feel.
  • Hot-swappable versions are available for both low-profile optical and Gateron mechanical switches.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

Get the

Keychron K2 Pro

Full Customization

Build quality in the top 5% of 75% boards under $100.

If you want

  • Extensive customization via open-source QMK firmware and VIA/Keychron Launcher software.
  • Superior build features including a steel plate, sound-absorbing foam, and silicone dampening pad.
  • Higher capacity 4000mAh battery for longer wireless use.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Bottom line

Your priority dictates the choice. If a sleek, modern, and portable low-profile keyboard is your main goal, the Keychron K1 SE is the clear option. If you value typing feel, acoustic tuning, deep software customization, and the ability to modify your keyboard extensively over time, the Keychron K2 Pro offers significantly more capability and is the better long-term investment.

What actually differs

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 K1 SE

Keychron K2 Pro

  • Layout size

    80%

    75%

  • Battery

    2,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    Yes

    No

  • Case material

    Aluminum, Plastic

    ABS, Aluminum, Plastic

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Keychron K1 SE
  • Keychron K2 Pro
Performance
66
82
Build quality
60
90
Productivity
67
95
Customizability
71
96
Portability
77
79

What they share

  • Connection: Bluetooth, Wired
  • Hot-swappable
See every spec side by side

Best for

What will you mostly use it for?

The K2 Pro is the more versatile choice, winning in gaming, programming, modding, and content creation due to its higher polling rate, programmability, and modding-friendly construction. The K1 SE's primary advantage is for travel, thanks to its confirmed low-profile, slim design. For general office use, both are competent, making the decision one of aesthetic and typing height preference.

For gaming

Pick the Keychron K2 Pro

  • The K2 Pro's vendor page lists a 1000 Hz polling rate, which is not specified for the K1 SE.
  • The K2 Pro's steel plate and sound-dampening foam may provide a more stable, consistent feel for rapid key presses.
  • South-facing RGB on the K2 Pro avoids interference with Cherry-profile keycaps, a common choice for gamers.

Full specs

Keychron K1 SE vs K2 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

12 of 27 specs differ

Keychron K1 SE

Keychron K2 Pro

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
PCB Mount, Plate Mount, Tray Mount

Low profile

Yes
No

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK, JIS

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

2,000 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
ABS, Aluminum, Plastic

Plate material

—
Steel

Keycaps

—
ABS, PBT

Weight

—
1,070 g

Dimensions

—
25 x 317 x 122 mm

Typing angle

—
5°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2021
2022

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K1 SE

No ISO layout at the stores we track.

Keychron K2 Pro

  • Keychron

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    In stockDoes not ship to you

Where to buy

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.

FAQ

Keychron K1 SE vs K2 Pro: your questions

The Keychron K2 Pro has a larger 4000mAh battery, while the K1 SE has a 2000mAh battery. Based on the specifications, the K2 Pro should offer significantly longer wireless usage between charges.

No. According to the K1 SE vendor description, its hot-swappable sockets are only for low-profile Keychron Optical or low-profile Gateron Mechanical switches. It is explicitly stated that they are not compatible with any normal profile MX-style mechanical switches.

The Keychron K2 Pro has a 1000 Hz polling rate, which is beneficial for gaming responsiveness. Its steel plate and stable construction also provide a consistent feel. However, one user review mentioned it may not have the best latency for competitive gaming, though it was not noticeable to them.

The K1 SE offers a low-profile, short-travel typing experience with a slimmer key height. The K2 Pro provides a standard-profile, more traditional mechanical keyboard feel with features like a steel plate, sound foam, and PBT keycaps that contribute to a more substantial and potentially quieter acoustic signature.

Yes. Both the Keychron K1 SE and K2 Pro include keycaps for both Windows and macOS and have a switch to toggle between operating systems, as confirmed in their respective vendor descriptions.

The Keychron K2 Pro is far more programmable. It supports open-source QMK firmware and can be configured using the VIA software or Keychron Launcher web app for remapping keys and creating macros. The K1 SE does not list these advanced programming features.

The K2 Pro comes with OSA-profile double-shot PBT keycaps, which are generally more durable and oil-resistant than the keycaps listed for the K1 SE. PBT plastic does not shine as quickly as ABS, which is a common material for keycaps.

Yes. The vendor listing for the K2 Pro shows a "Barebone (Hot-Swappable)" option, which includes the keyboard assembly without switches or keycaps, allowing for complete personalization.

South-facing RGB means the LEDs on the K2 Pro's PCB are positioned on the south side (bottom) of the switch. This prevents interference with Cherry-profile keycaps and provides better backlighting from the typist's perspective, as noted in the product description.

The K1 SE offers hot-swappable versions, but only for specific low-profile switch types. You must select the "Low Profile Gateron Mechanical (Hot-Swappable)" or "Keychron Low Profile Optical (Hot-Swappable)" version at purchase to get this feature.

The Keychron K2 Pro is easier and more effective to mod for sound. It already comes with sound-absorbing foam and a silicone dampening pad pre-installed in its hot-swappable versions. Its standard MX switch compatibility and screw-in stabilizers also make aftermarket mods more straightforward.

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