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HomeGamingAsus ROG Keris II Ace review: an impeccable gaming mouse

Asus ROG Keris II Ace review: an impeccable gaming mouse

Asus ROG lifts the veil on the Keris II Ace, a new high-end mouse which is reminiscent of the Harpe Ace already in our hands. On the menu: exemplary performance, in an ultralight body that does not exceed 54 g.

Source: Edouard Patout for Frandroid

The Asus ROG Keris II Ace gaming mouse is an ergonomic model focused on performance. Close cousin of the Ace Harp, it is also built around an ultralight chassis made of biosourced materials and weighs only 54 g. It is mainly its ergonomic shape which visually distinguishes it from the Harp.

Inside, things are also different with the arrival of optical switches and a new sensor that can reach 42,000 DPI. The Keris II Ace still offers triple connectivity, this time with possible operation at 4,000 Hz wirelessly and 8,000 Hz wired.

Full of promise, this new ROG-branded mouse is offered at the recommended price of 180 euros, or 20 euros more than the Ace Harp. With its ergonomic shape, it tackles head-on the latest Razer DeathAdderwith which it shares many characteristics.

Sobriety according to Asus ROG

If we omit the more discreet side buttons, only its shape distinguishes the Keris II Ace from the Harpe Ace released a year ago. This new model has an ergonomic shell which is therefore only intended for right-handed people. If it is shortened in length, it is however a little more rounded and dips more distinctly on the right side. The hand is positioned there naturally and comfort is guaranteed, even after several hours.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

In terms of touch, we enjoy finding this same grainy coating which provides good support and has proven to be very durable on the Harp which I have used daily since its release. In addition, it allows the mouse to reach a featherweight of only 54 g. In terms of ergonomics, note that the brand always provides a set of grips stickers, which can improve the handling a little more.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

A model of sobriety, this Keris II Ace is satisfied with a discreet ROG logo, printed on the back, a few ridges which improve its grip, and two gray side buttons. Only its wheel incorporates discreet RGB lighting, which will be especially relevant for knowing the status of its battery.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

For the rest, it’s a rather classic mouse, with two main buttons separated from the shell and which house optical switches. Without being any less good, the click seems less firm than that of the Harpe’s mechanical switches. It’s actually quite the opposite for the two side buttons, firmer and more responsive. The wheel is relatively classic, with sufficiently marked notches and a clear click.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

Under the mouse, a classic arrangement is available to us with four PTFE pads (a complete replacement set is provided in the box) and an optical sensor installed in a central position. The connection mode switch is still present, as are the two buttons to select the sensitivity profile and activate pairing.

8,000 Hz thanks to a “Booster”

Connectivity is triple here, as is often the case with Asus. The mouse can be used wired, Bluetooth or via its dongle 2.4GHz. Big news, however: the arrival of polling rate at 4,000 Hz wirelessly and up to 8,000 Hz wired. Asus nevertheless stands out on one point: the need to use a “Booster” to be able to take advantage of these higher frequencies.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

There are two major advantages here: this “booster” is independent of the dongle and looks like a classic USB adapter, which allows you to do without it when it is not necessary (when traveling for example). In addition, it is supplied in the box, at no additional cost and can eventually be used with other devices from the brand already released. Well done Asus!

In terms of autonomy, the brand announces up to 100 hours away from a power outlet when the mouse is used via its dongle. For our part, we were able to use it daily for more than two weeks before having to recharge it. The Keris II Ace therefore offers very decent autonomy and also benefits from fast charging allowing you to regain 12 hours of autonomy in just 15 minutes of charging.

A high-performance optical sensor

Without communicating more precisely on its technical reference, Asus has equipped the Keris II Ace with an “ROG AimPoint Pro” optical sensor, which more or less represents what is best at the moment. On the menu: 42,000 DPI, a speed of 750 IPS and accelerations of 50 g. The brand also indicates a deviation of less than 1%, where the average is more around 3%.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

In use, the sensor demonstrates remarkable precision and allows targets to be aligned without any difficulty. The most dynamic and demanding games will therefore pose no problem, since the sensor manages to capture all movements and changes of direction. The Keris II Ace will thus be equally at home on the most competitive FPS, as well as for more traditional uses such as photo editing, where its precision will be an asset.

Asus ROG Keris II Ace
Source: Edouard Patout for Frandroid

We also appreciate its very good glide, on all surfaces, with an optical sensor also capable of operating on difficult surfaces such as glass. Finally, the different clicks provide good responsiveness which also allows you to sequence actions without difficulty. We can simply criticize the two main buttons for suffering from a slight lateral play, absent on the Harp.

Things are moving around Armory Crate

Obviously compatible with the Armory Crate software suite, the Keris II Ace benefits from numerous settings which allow it to adjust its behavior. Starting with its different buttons, which can be reassigned with numerous shortcuts and functions, as well as its wheel with customizable RGB lighting.

The behavior of the sensor can also be adjusted by defining different sensitivity levels, while activating or not corner snapping. A calibration system is also present to adapt operation depending on the mat used. The dropout distance can also be personalized on two levels.

Finally, different settings related to energy management are offered, including customization of the delay before going to sleep or even triggering a flashing of the dial when the battery level becomes critical.

Armory Crate is still a relatively heavy everyday utility, due to all the features it includes and the too many popups which dot its interface. Asus seems to have realized this and now offers lite versions of this application, dedicated to each of its products. “Armoury Crate Gear”, must nevertheless be installed individually for each device of the compatible brand, of which the Keris II Ace is a part.

Price and availability of the Asus ROG Keris II Ace mouse

The Asus ROG Keris II Ace mouse is available at the recommended price of 180 euros.

Mark Tyson
Mark Tyson
Freelance News Writer. Always interested in the way in which technology can change people's lives, and that is why I also advise individuals and companies when it comes to adopting all the advances in Apple devices and services.
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