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Head to head · Prices checked Nov 11, 2026

Redragon Horus K621 vs Machenike AIR50

Get the Redragon Horus K621 for the 1,900 mAh battery. Get the Machenike AIR50 for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Redragon Horus K621

Battery

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

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No numpad.

Get the

Machenike AIR50

Hot-swappable

Build quality in the bottom 5% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • 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.

Redragon Horus K621

Machenike AIR50

  • Layout size

    80%

    75%

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Battery

    1,900 mAh

    1,600 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear

  • Weight

    600 g

    456 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Redragon Horus K621
  • Machenike AIR50
Performance
72
48
Build quality
45
39
Productivity
47
56
Customizability
46
59
Portability
61
74

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Low profile
  • Case material: Plastic
See every spec side by side

Full specs

Redragon Horus K621 vs Machenike AIR50 specs

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

8 of 18 specs differ

Redragon Horus K621

Machenike AIR50

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear

Hot-swappable

No
Yes

Mount style

Bottom Mount
—

Low profile

Yes
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Battery

1,900 mAhBetter
1,600 mAh

Build & materials

Case material

Plastic
Plastic

Keycaps

—
PBT

Weight

600 g
456 g

Dimensions

—
23 x 127 x 322 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2021
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.

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