Corsair has launched the Nightsword V2 Wireless SD, a new right handed gaming mouse built around a dedicated Stream Deck button and wireless 8,000 Hz polling.
Priced at $129.99, the mouse replaces the original Nightsword’s adjustable weight system with a lighter wireless design aimed at gamers, streamers and productivity focused buyers.
Its main feature is a physical thumb button that opens a virtual Stream Deck overlay on the desktop, giving you quick access to custom shortcuts without requiring separate Stream Deck hardware.
Corsair Nightsword V2 Wireless SD specifications
| Feature | Specification |
|---|---|
| Price | $129.99 |
| Connectivity | 2.4 GHz wireless, Bluetooth, USB C |
| Polling rate | Up to 8,000 Hz |
| Sensor | Marksman S |
| Maximum DPI | 33,000 |
| Tracking speed | 750 IPS |
| Acceleration | 50G |
| Resolution accuracy | 99.7% |
| Programmable buttons | Eight |
| Main switches | Optical |
| Switch durability | Up to 100 million clicks |
| 2.4 GHz battery life | Up to 170 hours |
| Bluetooth battery life | Up to 164 hours |
| Design | Right handed |
The mouse is available now and joins Corsair’s broader push to integrate Stream Deck controls directly into gaming peripherals.
Dedicated Stream Deck button opens a desktop overlay
The most distinctive part of the Nightsword V2 Wireless SD is the thumb mounted Stream Deck button.
Pressing it opens a virtual Stream Deck interface as a floating overlay on the desktop.
From there, you can create custom panels for different applications and tasks.
That could include game commands, media controls, editing shortcuts, application launchers or communication tools.
The approach gives you some of the functionality of a physical Stream Deck without requiring another device on the desk.
It also allows the controls to change depending on the application being used.
All eight buttons can trigger Stream Deck actions
The dedicated Stream Deck control is not the only programmable part of the mouse.
All eight buttons can be configured through the Stream Deck software.
They can trigger macros, open applications, control media playback or activate other assigned actions.
That gives the mouse more flexibility than a conventional gaming model where customization is usually limited to in game commands and basic shortcuts.
The integration could be particularly useful for people who move between gaming, streaming and creative applications during the same session.
33,000 DPI sensor and 8,000 Hz wireless polling
Corsair has paired the productivity features with high end gaming hardware.
The Marksman S sensor supports sensitivity settings up to 33,000 DPI, along with 750 IPS tracking speed and 50G acceleration.
Corsair rates resolution accuracy at 99.7%.
The wireless connection supports polling rates as high as 8,000 Hz, allowing the mouse to report movement to the system much more frequently than a standard 1,000 Hz design.
Higher polling can reduce input latency, although it also places greater demand on the CPU and uses more battery power.
The primary buttons use optical switches rated for up to 100 million clicks.
Optical actuation also eliminates the debounce delay required by many traditional mechanical mouse switches.
Battery life reaches up to 170 hours
Corsair rates battery life at up to 170 hours when using the 2.4 GHz wireless connection.
That figure assumes RGB lighting is disabled and the polling rate is reduced to 1,000 Hz.
Using the maximum 8,000 Hz polling rate will consume more power, so real battery life will be shorter in that configuration.
Bluetooth operation is rated for up to 164 hours with RGB disabled.
A USB C cable provides a wired option when charging or when wireless connectivity is not required.
New design drops the adjustable weight system
The original Nightsword was known for its tunable weight system, allowing players to change the balance of the mouse.
The V2 Wireless SD moves in a different direction.
Corsair has removed the adjustable weights in favor of a lighter chassis, wireless connectivity and deeper software integration.
That makes the new model less focused on physical weight customization and more focused on flexibility across gaming, streaming and productivity.
At $129.99, the Nightsword V2 Wireless SD sits in the premium gaming mouse category.
Its value will largely depend on how useful you find the Stream Deck integration. For players who already rely on macros, application shortcuts or streaming controls, the dedicated button and programmable overlay could reduce the need for separate hardware while still providing the sensor performance expected from a modern gaming mouse.
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