




Click the coupon code for a discount. Features and specs may vary by model version.
The price history chart tracks the lowest price over time across all stores, excluding Amazon (shipping costs not included).
| Gamakay SN75 | Zuoya GMK81 | Yunzii B75 Pro |
78 Overall/ Value 78.3Build Quality 75.9Customizability 86.8Performance 69.5Productivity 89.5Portability 80.7![]() | 85 Overall/ Value 85.3Build Quality 86.3Customizability 86.7Performance 65.5Productivity 91.2Portability 79.4![]() | 85 Overall/ Value 85.1Build Quality 72.3Customizability 78.0Performance 85.0Productivity 91.3Portability 79.6![]() |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 0.0 stars (0 reviews) |
|
|
|
Scores
| Scores
| Scores
|
Name Gamakay SN75 | Name Zuoya GMK81 | Name Yunzii B75 Pro |
Release year 2023 | Release year 2024 | Release year 2024 |
Switch Options - | Switch Options - | Switch Options Linear, Clicky, Tactile |
Profile Normal Profile | Profile Normal Profile | Profile Normal Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 75% | Layout Size 75% | Layout Size 75% |
Layout Standard ANSI | Layout Standard ANSI | Layout Standard ISO, ANSI, Dvorak |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support | Display Support | Display Support |
Mac/Win Support | Mac/Win Support | Mac/Win Support |
Multi-Media Keys | Multi-Media Keys | Multi-Media Keys |
USB-C | USB-C | USB-C |
USB passthrough | USB passthrough | USB passthrough |
Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Wired, Wireless, Bluetooth, 2.4 GHz | Connection Bluetooth, 2.4 GHz, Wired, Wireless, |
Polling Rate - | Polling Rate - | Polling Rate 4000 Hz |
Battery capacity 3400 mAh | Battery capacity 3000 mAh | Battery capacity 4000 mAh |
Hall Effect Support | Hall Effect Support | Hall Effect Support |
QMK Support | QMK Support | QMK Support |
VIA Support | VIA Support | VIA Support |
VIAL Support | VIAL Support | VIAL Support |
N-Key Rollover | N-Key Rollover | N-Key Rollover |
Rapid Trigger | Rapid Trigger | Rapid Trigger |
Mount Style Gasket Mount | Mount Style Gasket Mount | Mount Style Gasket Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight Rgb, South-face | Backlight Rgb, South-face |
Case Colors | Case Colors | Case Colors |
Case Material Acrylic | Case Material ABS, Aluminum | Case Material Plastic |
Keycaps Material - | Keycaps Material - | Keycaps Material PBT, PC |
Dimensions - | Dimensions 50 x 365 x 185 mm | Dimensions 42 x 334 x 144 mm |
Weight - | Weight 870g | Weight 937g |
The Gamakay SN75 is a 75% mechanical keyboard kit suited for users who want extensive customization and flexible connectivity. It fits hobbyists who frequently swap switches, professionals needing programmable keys, and anyone who values wireless options alongside wired use. Its gasket-mounted design aims to improve typing acoustics and comfort.
The keyboard features a gasket-mounted design, which places a cushioning layer between the plate and case to soften keypress impact and reduce noise. Its acrylic case improves light transmission for the RGB effects. EVA and silicone mats inside the keyboard further dampen sound and vibrations, contributing to a quieter typing experience.
Users can switch between wired USB Type-C, Bluetooth 5.0, and 2.4GHz wireless modes. This tri-mode setup supports multiple devices and scenarios, from low-latency wired use to convenient wireless connections. Battery capacity is 3400mAh, but exact battery life is unknown.
The SN75 supports major operating systems and VIA software for programming. Its 75% layout offers a compact form with dedicated arrow keys, suitable for users wanting a smaller footprint without losing essential keys.