Mechboards Hyper7 R4 vs Promotype Key Boy Advance 50
Get the Mechboards Hyper7 R4 for screw-in stabilizers and n-key rollover.
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![[Pre-order] Key Boy Advance 50 Custom Keyboard Kit](https://cdn.shopify.com/s/files/1/0602/3639/8777/files/keyboy-advanced-1.webp?v=1782959570&width=3840&quality=75)
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.
Mechboards Hyper7 R4
Promotype Key Boy Advance 50
Case material
Steel
Polycarbonate
Screw-in stabilizers
Yes
No
Easier to tune than the plate-mount stabs you get prebuilt
N-key rollover
Yes
No
Released
2025
2026
USB-C
Yes
No
- Mechboards Hyper7 R4
- Promotype Key Boy Advance 50
- Performance
- 7154
- Build quality
- 6547
- Productivity
- 7154
- Customizability
- 6557
- Portability
- 4744
- Connection: Wired
- Hot-swappable
Mechboards Hyper7 R4 vs Promotype Key Boy Advance 50 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
5 of 18 specs differ
Mechboards Hyper7 R4
Promotype Key Boy Advance 50
Switch options
Hot-swappable
Mount style
Screw-in stabilizers
Layout standard
Ergonomics
Display
Connection
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Released
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