Fantech Atom87S MORI MK877S Wired TKL Mechanical Keyboard Rosie Switch Dark Blue/White
- • 87-Key TKL: Compact wired mechanical keyboard with dedicated navigation controls
- • Rosie Switch: Dark Blue/White MORI configuration with mechanical Rosie switches
- • 3-Pin Hot-Swappable: Replace compatible mechanical switches without soldering
- • 25-Key Anti-Ghosting: Supports simultaneous gaming key combinations
- • Static RGB: 12 lighting modes with detachable USB-C connectivity
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- Availability:
- In Stock
- Product Code:
- MK877S Rosie
- Brand:
- Fantech
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The Fantech Atom87S MORI MK877S is a wired TKL mechanical gaming keyboard with an 87-key layout that balances compact dimensions with dedicated navigation controls. This Dark Blue/White MORI configuration is supplied with Rosie mechanical switches and supports compatible 3-pin hot-swappable replacements.
The MK877S combines 25-key anti-ghosting, ABS double-shot OEM-profile keycaps and Static RGB lighting with 12 modes. Detachable USB-C connectivity and adjustable feet provide a practical setup for gaming, typing and everyday desktop use.

Key Features
- 87-Key TKL Layout: Compact mechanical keyboard design with dedicated navigation controls.
- Rosie Mechanical Switches: This MORI configuration is supplied with Rosie switches.
- 3-Pin Hot-Swappable: Compatible mechanical switches can be replaced without soldering.
- 25-Key Anti-Ghosting: Supports simultaneous key combinations for gaming and productivity.
- Static RGB: 12 onboard lighting modes for visual customization.
- Detachable USB-C: Wired connection combined with adjustable keyboard feet.
Technical Specifications
| Component | Specification |
| Brand | Fantech |
| Model | Atom87S MORI MK877S |
| Product Type | Mechanical Gaming Keyboard |
| Connectivity | Wired |
| Form Factor | TKL |
| Number of Keys | 87 |
| Switch Type | Mechanical Rosie Switch |
| Hot-Swap Support | 3-Pin Hot-Swappable |
| Keycap Material | ABS Double-Shot |
| Keycap Profile | OEM Profile |
| Anti-Ghosting | 25-Key |
| Lighting | Static RGB, 12 Modes |
| Mount | Tray |
| Interface | USB-C |
| Adjustable Feet | Yes |
| Dimensions | 352 × 124 × 35 mm |
| Weight | 548 ± 3 g |
| Power Rating | 5 V ⎓ 200 mA |
| Color | Dark Blue / White MORI Edition |
| Warranty | 1 Year |
Compatibility & Important Information
The Atom87S MORI MK877S is a wired USB-C keyboard and does not provide Bluetooth or 2.4 GHz wireless connectivity.
Its hot-swappable sockets are designed for compatible 3-pin mechanical switches. This listing is specifically the Rosie Switch configuration, and switch characteristics from the Taro or other MK877S variants should not be transferred to this product.
Q: Is the Fantech Atom87S MORI MK877S wired?
A: Yes. It is a wired mechanical keyboard with detachable USB-C connectivity.
Q: Which switches are supplied with this version?
A: This Dark Blue/White MORI configuration is supplied with Rosie mechanical switches.
Q: What form factor is the Atom87S?
A: Fantech specifies an 87-key TKL form factor.
Q: Are the switches hot-swappable?
A: Yes. Compatible 3-pin mechanical switches can be replaced without soldering.
Q: Does it have anti-ghosting?
A: Yes. Fantech specifies 25-key anti-ghosting.
Q: What type of lighting is provided?
A: The keyboard uses Static RGB lighting with 12 modes.
Q: What keycap material does it use?
A: Fantech specifies ABS double-shot keycaps with an OEM profile.
Q: Does it support Bluetooth or 2.4 GHz wireless?
A: No. The Atom87S MORI MK877S is a wired USB-C keyboard.
























