Discover the Corsair Sabre v2 Pro Ultralight Wireless Review: Featherlight Precision

November 15, 2025

Test de la Corsair Sabre v2 Pro Ultralight Wireless : tout en légèreté
Corsair makes a significant impact with its new ultra-light and high-performance mouse: the Sabre v2 Ultralight Wireless. Weighing just 36 g, this wireless mouse is not only efficient but primarily targets the esports sector.

The Corsair Sabre v2 Pro Ultralight Wireless gaming mouse’s main feature is its lightness. At just 36 g, it is the lightest Corsair mouse to date. It is also the lightest model we’ve had the opportunity to review on Frandroid.

Despite its ultra-light build, its specifications are comparable to the best on the market. It is wireless, equipped with a 33,000 DPI optical sensor and an 8,000 Hz polling rate, making it suitable for the most demanding players and the esports scene.

This high-performance mouse also comes generously equipped. Corsair includes spare skates and a set of grips to enhance its handling. Moreover, its price is quite reasonable, as the Sabre v2 Pro Ultralight Wireless is available at a suggested retail price of 110 euros. Could this be a new benchmark in the making?

Technical Specifications

Model Corsair Sabre V2 Pro Ultralight Wireless
Connection USB C, 2.4 GHz
Maximum Sensitivity 33000 DPI
Maximum Sampling Rate 8000 Hz
Number of Programmable Buttons 5 buttons
Weight 36 g
Product Sheet Available

Lightweight and Compact Mouse

Right out of the box, it’s clear that the Sabre V2 is indeed very light. Weighing just 36 g, it is the lightest mouse tested here. Its lightweight nature is mainly due to its compact design. Although it draws inspiration from other models like those from Logitech, it is shorter and less tall than these competitors.

This smaller size and symmetrical shape (though not ambidextrous) might not suit all players. Those with larger hands might find it cramped. Personally, with smaller hands, I didn’t experience any discomfort, although I had to opt for a hybrid grip to maintain maximum control during movements.

To achieve such a low weight, Corsair focused on the materials used for the mouse’s shell. The plastic is very thin and might flex easily under pressure. Fortunately, this has little impact on its use. Unless you have a very firm grip, the flexibility of the shell is not noticeable during operation.

As expected in an esports-focused mouse, RGB lighting is absent, which helps save a few more grams. A discreet LED indicator is present inside the shell near the scroll wheel.

The rest of the mouse is quite standard, featuring two independent primary clicks. The click is firm and audible without being excessive. The scroll wheel, distinctly rimmed in yellow, provides a clearly defined scroll and features a very typical click. The two side buttons, positioned right under the thumb, are also very conventional and pleasant to use.

The last button (a switch in this case) is located under the mouse, near the optical sensor, and allows switching between wired and wireless modes. There are also two large UPE skates and a third one surrounding the sensor.

It’s worth noting that Corsair includes an additional set of larger skates (for more control) and a set of adhesive grips to improve handling.

Good Battery Life and Up to 8,000 Hz Wireless

Consistent with the targeted market, Bluetooth is not included. Instead, you get a 2.4 GHz wireless connection thanks to the provided substantial USB dongle. The main advantage of this dongle is that it supports up to 8,000 Hz, ensuring minimal latency. It has a somewhat unique design with a clip that can attach to the mouse pad.

The connectivity is facilitated by a female USB port, which necessitates the use of a cable to connect the dongle. Thus, it is not possible to directly connect the adapter to a free USB port on a computer or dock. Note that, apart from charging its battery, the built-in USB port on the Sabre V2 Pro allows for wired use. However, the included cable is too rigid for practical use in this mode.

Regarding battery life, Corsair promises up to 70 hours away from a power source. In practice, using the mouse with a polling rate of 1,000 Hz, you can expect about two weeks of use before needing a recharge. Increasing the polling rate will significantly reduce this battery life.

Performance to Match

It’s not just about weight—Corsair has also invested in the optical sensor used in the Sabre V2 Pro Ultralight Wireless. We benefit from the Marksman S sensor with a 33,000 DPI resolution. Its speed of 750 IPS and ability to handle accelerations up to 50 G make it one of the most powerful on the market.

In gaming, this sensor proves very convincing. It provides flawless tracking in all situations and across all game genres. The mouse is thus comfortable in high-paced FPS games as well as more relaxed management games. It is also suitable for office use, though that’s not its primary purpose.

Its main clicks are slightly behind those of some competitor models. They lack a bit of rebound, which does not allow for as rapid click sequences as desired. The UPE skates also lack the glide compared to the PTFE usually found on high-end mice, which is a pity for a model aiming to convince the most demanding players.

Comprehensive Features Thanks to the Corsair Web Hub

“Even the software is lightweight,” Corsair proudly states on its product page. The Sabre V2 Pro moves away from iCue and benefits from the new Corsair Web Hub for management. Like many competitors now, the American brand opts for managing its devices via a web app. This choice is rational and much more convenient for users: no application to install and no updates to plan.

The Web Hub is divided into several tabs, the first of which is dedicated to key assignments. All buttons can be reassigned, except for the left click. The choices are extensive, ranging from keyboard shortcuts to operating system functions.

The second tab allows for adjusting the sensor’s sensitivity through five distinct levels. A macro manager is also present for easily recording our custom shortcuts, which can then be assigned to any button in the first tab.

Profiles are also included, and up to four can be saved. The only real limitation compared to iCue is the inability to link profiles to a game or application, requiring manual switching between them. It’s also worth noting that there is no dedicated button for switching between sensitivity profiles. For that, a combination of the right click and the back button is needed to cycle through the different profiles.

Price and Availability of the Corsair Sabre V2 Pro Ultralight Wireless Mouse

The Corsair Sabre V2 Pro Ultralight Wireless mouse is available at a suggested retail price of 110 euros.

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