Apos NPKC RO75 vs Coolkiller CK75 SE
Get the Apos NPKC RO75 for the 6,000 mAh battery and the 4,000 Hz polling rate.
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from$90at Apos
90-day lowLowest price in 90 days
Which one should you get?
Get the
Coolkiller CK75 SE
Build quality in the top 50% of 75% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
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.
Apos NPKC RO75
Coolkiller CK75 SE
Battery
6,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Max polling rate
4,000 Hz
1,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
Aluminum
Plastic
Display
None
LED
A case display rather than a typing feature
Weight
1,680 g
1,000 g
Heavier boards stay planted and lighter ones travel
- Apos NPKC RO75
- Coolkiller CK75 SE
- Performance
- 8675
- Build quality
- 8266
- Productivity
- 8977
- Customizability
- 8267
- Portability
- 9180
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Mount style: Gasket Mount
- Sound dampening
Apos NPKC RO75 vs Coolkiller CK75 SE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 24 specs differ
Apos NPKC RO75
Coolkiller CK75 SE
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
VIA
VIAL
N-key rollover
Mac & Windows
Released
Compare prices
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Not sold on either?
![[In Stock] RO75 pro 75% Pre-Built Aluminum Mechanical Keyboard](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/4_872d9b56-26d2-48d7-96d8-c8b1e42ab938.jpg?v=1766117507&width=3840&quality=75)
![[In Stock] RO75 75% Pre-Built Aluminum Mechanical Keyboard](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/RO75-2.477.jpg?v=1744771062&width=3840&quality=75)
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