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Head to head · Prices checked Oct 23, 2026

Fantech MAXFIT81 MK910 vs Keychron K3 Max

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

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 Max

  • Connection

    Bluetooth, Wired, 2.4 GHz

    Bluetooth, 2.4 GHz, Wired

  • Battery

    4,000 mAh

    1,550 mAh

  • Low profile

    No

    Yes

  • Case material

    ABS, Aluminum

    ABS, Aluminum, Plastic, Wood

  • Mount style

    Gasket Mount

    Plate Mount

KeebFinder scores

How we score
  • Fantech MAXFIT81 MK910
  • Keychron K3 Max
Performance
63
81
Build quality
68
86
Productivity
83
94
Customizability
82
91
Portability
81
77

What they share

  • Layout size: 75%
  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
  • Sound dampening
  • Keycaps: ABS, PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Fantech MAXFIT81 MK910

No owner reviews collected yet.

Keychron K3 Max

4.1

16 owner reviews

Praise
“Noce keyboard, i appreciate the level of customization QMK provides. One thing was little disappointing - the tactile feeling comparing to K3. Other than that its very good kb!”
SergeiVerified buyer· via Keychron
Critique
“I sold my k3 pro and got this. The one I got drops connection intermittently or doesn't type or respond right away. It sounds nice, but stiff reds are not as pleasant to type on as previous keyboards reds. I really thought I ordered hotswap RGB max but seems…”
SianiVerified buyer· via Keychron

Full specs

Fantech MAXFIT81 MK910 vs Keychron K3 Max specs

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

16 of 28 specs differ

Fantech MAXFIT81 MK910

Keychron K3 Max

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Low profile

No
Yes

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Knob

Yes
No

Display

OLED
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, Wired, 2.4 GHz
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

4,000 mAhBetter
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
ABS, Aluminum, Plastic, Wood

Plate material

FR4
Aluminum, Plastic, Polycarbonate

Keycaps

ABS, PBT
ABS, PBT

Weight

1,093 g
580 g

Dimensions

45 x 303 x 104 mm
22 x 306 x 116 mm

Typing angle

—
3°, 7°

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2023

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $109Visit
  • AmazonGlobal

    Check price
    ~$109Visit
  • WhatGeekCN

    Out of stock
    $88Visit
  • KeychronHK

    In stock
    $89Visit
  • MKUS

    In stock
    $89Visit
  • Keychron (DE)DE

    In stock
    $103Visit
  • ktechsSG

    In stock
    $169Visit

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