Head to head · Prices checked Oct 28, 2026

Fantech MAXFIT81 MK910 vs Keychron K3 Pro

Get the Fantech MAXFIT81 MK910 for the 4,000 mAh battery.

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Battery

Fantech MAXFIT81 MK910

No reviews

from$109at Mechkeys

Compare 3 stores

Keychron K3 Pro

4.7 · 54 reviews

from$67at Keychron

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Fantech MAXFIT81 MK910

Battery

Build quality in the top 45% of 75% boards under $150.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$109 at Mechkeys

Get the

Keychron K3 Pro

Build quality in the top 15% of 75% 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.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

$67 at Keychron

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.

Fantech MAXFIT81 MK910

Keychron K3 Pro

Connection
Bluetooth, Wired, 2.4 GHz
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
1,550 mAh
A larger battery means fewer cables during the day
Low profile
No
Yes
Case material
ABS, Aluminum
ABS, Aluminum, Plastic
Mount style
Gasket Mount
Plate Mount, Tray Mount

KeebFinder scores

How we score

Fantech MAXFIT81 MK910
Keychron K3 Pro

Performance: 63
81
Build quality: 68
81
Productivity: 83
80
Customizability: 82
88
Portability: 81
77

What they share

Layout size: 75%
Hot-swappable
Switch options: Clicky, Linear, Tactile
Keycaps: ABS, PBT

See every spec side by side

Full specs

Fantech MAXFIT81 MK910 vs Keychron K3 Pro specs

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

16 of 26 specs differ

Spec

Fantech MAXFIT81 MK910

Keychron K3 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

Plate Mount, Tray Mount

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

75%

Layout standard

ANSI

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

Ergonomics

Standard

Knob

Yes

Display

OLED

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, Wired, 2.4 GHz

Bluetooth, Wired

Max polling rate

—

1,000 Hz

Battery

4,000 mAhBetter

1,550 mAh

USB-C

Yes

Build & materials

Case material

ABS, Aluminum

ABS, Aluminum, Plastic

Plate material

FR4

Plastic

Keycaps

ABS, PBT

Weight

1,093 g

525 g

Dimensions

45 x 303 x 104 mm

15 x 306 x 116 mm

Backlight

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2023

2022

For EU buyers

ISO layouts by store

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

Fantech MAXFIT81 MK910

No ISO layout at the stores we track.

Keychron K3 Pro

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of 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.

Fantech MAXFIT81 MK9103 stores