Head to head · Prices checked Nov 7, 2026

Keychron K1 Max vs Ktechs Rainy75

Get the Keychron K1 Max for hot-swappable and the 4,000 mAh battery.

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Hot-swappable

Keychron K1 Max

3.3 (16)3.3 · 16 reviews

from$89at Keychron

Down 42% this monthDown 42% this month

Compare 5 stores

Ktechs Rainy75

No reviews

from$7at ktechs

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Keychron K1 Max

Hot-swappable

Build quality in the top 10% of 80% boards under $100.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
No numpad.

$89 at Keychron

Get the

Ktechs Rainy75

Build quality in the bottom 30% of 75% boards under $50.

Rules this board out

Switches are soldered. Swapping them means soldering.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
No numpad.

$7 at ktechs

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 Max

Ktechs Rainy75

Layout size
80%
75%
Connection
Bluetooth, 2.4 GHz, Wired
Wireless
Wireless for several devices and wired for lower latency
Hot-swappable
Yes
No
Switch changes without soldering
Battery
4,000 mAh
3,500 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No

KeebFinder scores

How we score

Keychron K1 Max
Ktechs Rainy75

Performance: 82
47
Build quality: 82
65
Productivity: 90
46
Customizability: 89
43
Portability: 73
74

What they share

Max polling rate: 1,000 Hz

See every spec side by side

Full specs

Keychron K1 Max vs Ktechs Rainy75 specs

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

16 of 26 specs differ

Spec

Keychron K1 Max

Ktechs Rainy75

Typing & switches

Switch options

Clicky, Linear, Tactile

—

Hot-swappable

Yes

Mount style

PCB Mount, Plate Mount

Gasket Mount

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

80%

75%

Layout standard

ANSI, ISO, ISO-DE, ISO-Nordic, ISO-UK

—

Ergonomics

Standard

Display

None

LED

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wireless

Max polling rate

1,000 Hz

Battery

4,000 mAhBetter

3,500 mAh

USB-C

Yes

Build & materials

Case material

ABS, Aluminum, Plastic

—

Plate material

Plastic, Polycarbonate

FR4, Plastic, Polycarbonate

Keycaps

ABS, PBT

—

Weight

608 g

—

Dimensions

24 x 346 x 119 mm

—

Typing angle

3°

—

Backlight

RGB, north-facing

None

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2024

For EU buyers

ISO layouts by store

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

Keychron K1 Max

Keychron
ISO-DE, ISO-UK, ISO-Nordic
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK
Out of stockDoes not ship to you

Ktechs Rainy75

No ISO layout at the stores we track.

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

Keychron K1 Max5 stores