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Head to head · Prices checked Nov 1, 2026

Fantech MAXFIT81 MK910 vs Yunzii AL66

Get the Yunzii AL66 for the 4,600 mAh battery.

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Quick verdict

Which one should you get?

Get the

Fantech MAXFIT81 MK910

Build quality in the top 50% 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 numpad.

Get the

Yunzii AL66

Battery

Build quality in the top 30% of 65% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 65% layout. No function row and no numpad.

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

Yunzii AL66

  • Layout size

    75%

    65%

  • Connection

    Bluetooth, Wired, 2.4 GHz

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    4,000 mAh

    4,600 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Clicky

KeebFinder scores

How we score
  • Fantech MAXFIT81 MK910
  • Yunzii AL66
Performance
63
72
Build quality
68
74
Productivity
83
77
Customizability
82
74
Portability
81
89

What they share

  • Hot-swappable
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Fantech MAXFIT81 MK910 vs Yunzii AL66 specs

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

12 of 22 specs differ

Fantech MAXFIT81 MK910

Yunzii AL66

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

OLED
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Battery

4,000 mAh
4,600 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum

Plate material

FR4
Polycarbonate

Keycaps

ABS, PBT
PBT

Weight

1,093 g
1,145 g

Dimensions

45 x 303 x 104 mm
42 x 113 x 322 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

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.

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Lowest price across stores, Amazon excluded.

Yunzii AL663 stores

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