Nuphy Halo IO vs MelGeek O2
Get the Nuphy Halo IO for hot-swappable and the 4,000 mAh battery. Get the MelGeek O2 for sound dampening.
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4.6 (16)4.6 · 16 reviews
from$129at Nuphy
No reviews
from$109at MelGeek
90-day lowLowest price in 90 days
Which one should you get?
Get the
Nuphy Halo IO
Hot-swappable
Build quality in the top 35% of Numpad boards under $150.
Get the
MelGeek O2
Sound dampening
Build quality in the top 50% of Numpad boards under $150.
- Switches are soldered. Swapping them means soldering.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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.
Nuphy Halo IO
MelGeek O2
Hot-swappable
Yes
No
Switch changes without soldering
Battery
4,000 mAh
2,500 mAh
A larger battery means fewer cables during the day
Case material
Aluminum, Polycarbonate
ABS, Aluminum, Polycarbonate
QMK
Yes
No
The deep option when you want to remap every key
Sound dampening
No
Yes
- Nuphy Halo IO
- MelGeek O2
- Performance
- 7254
- Build quality
- 7465
- Productivity
- 6653
- Customizability
- 7550
- Portability
- 8982
- Layout size: Numpad
- Connection: Bluetooth, 2.4 GHz, Wired
- Max polling rate: 1,000 Hz
- Mount style: Gasket Mount
Nuphy Halo IO vs MelGeek O2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 23 specs differ
Nuphy Halo IO
MelGeek O2
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
N-key rollover
Mac & Windows
Released
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