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Head to head · Prices checked Nov 7, 2026

Fantech MAXFIT81 MK910 vs Keychron S1

Get the Fantech MAXFIT81 MK910 for knob.

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Quick verdict

Which one should you get?

Get the

Fantech MAXFIT81 MK910

Knob

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.

Get the

Keychron S1

Build quality in the top 10% 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.

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 S1

  • Connection

    Bluetooth, Wired, 2.4 GHz

    Wired

    Wireless for several devices and wired for lower latency

  • Low profile

    No

    Yes

  • Case material

    ABS, Aluminum

    Aluminum

  • Mount style

    Gasket Mount

    Plate Mount, Tray Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Fantech MAXFIT81 MK910
  • Keychron S1
Performance
63
82
Build quality
68
82
Productivity
83
80
Customizability
82
89
Portability
81
65

What they share

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

Full specs

Fantech MAXFIT81 MK910 vs Keychron S1 specs

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

16 of 27 specs differ

Fantech MAXFIT81 MK910

Keychron S1

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount, Tray Mount

Low profile

No
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

OLED
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, Wired, 2.4 GHz
Wired

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum

Plate material

FR4
Steel

Keycaps

ABS, PBT
PBT

Weight

1,093 g
960 g

Dimensions

45 x 303 x 104 mm
8 x 118 x 310 mm

Typing angle

—
3°

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
2022

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 S14 stores

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