Sirius Ursa Major V2 vs Ktechs Rainy75
Get the Sirius Ursa Major V2 for hot-swappable and knob. Get the Ktechs Rainy75 for the 3,500 mAh battery.
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![[In Stock] Ursa Major V2 Wireless Aluminum Ultimate Keyboard - Image: 5](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/DSCF1395.jpg?v=1755679989&width=3840&quality=75)
Which one should you get?
Get the
Ktechs Rainy75
Battery
Build quality in the bottom 30% of 75% boards under $50.
- Switches are soldered. Swapping them means soldering.
- No numpad.
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.
Sirius Ursa Major V2
Ktechs Rainy75
Connection
Bluetooth, Wired
Wireless
Wireless for several devices and wired for lower latency
Hot-swappable
Yes
No
Switch changes without soldering
Battery
2,400 mAh
3,500 mAh
A larger battery means fewer cables during the day
Ergonomics
Split
Standard
Knob
Yes
No
- Sirius Ursa Major V2
- Ktechs Rainy75
- Performance
- 6847
- Build quality
- 8265
- Productivity
- 9846
- Customizability
- 9143
- Portability
- 9074
- Max polling rate: 1,000 Hz
Sirius Ursa Major V2 vs Ktechs Rainy75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
15 of 24 specs differ
Sirius Ursa Major V2
Ktechs Rainy75
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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Not sold on either?
![[Group-Buy] Haverworks Theseus75 - Barebones Kit - Image: 4](https://cdn.shopify.com/s/files/1/0064/2560/8282/files/prIge9j.jpg?v=1719677180&width=3840&quality=75)
![[In Stock] OE93 Wired/Wireless Retro Style Mechanical Keyboard - Image: 4](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/93_-1_1--003.jpg?v=1748489495&width=3840&quality=75)
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