If you’ve ever wished your work desk had a dedicated screen for reviewing your system’s performance, chat windows, or streaming controls, so that you don’t have to disturb your main monitor, Asus has heard you.
The ROG Strix XG129C is a 12.3-inch secondary display with a touchscreen, designed to sit beneath your primary monitor and handle everything that could be a distraction on your main screen, and it costs $199.
What exactly does the Strix XG129C do?
The Strix XG129C is a 1920 x 720 IPS panel carrying a 24:9 aspect ratio, making it wide but short in height, exactly the type of screen that easily lives under a standard monitor, without competing for vertical desk space.
The 10-point capacitive touchscreen can handle multi-finger gestures, app shortcuts, hotkey execution, and streaming overlays. For a secondary screen, the Strix XG129C’s color performance is surprisingly strong. It covers 125% of the sRGB and 90% of the DCI-P3color space.
Asus is also bundling a one-year AIDA64 Extreme subscription, which turns the display into a real-time hardware dashboard tracking GPU load, CPU temperature, and fan speeds, via exclusive ROG SensorPanel themes.
A single USB-C cable handles power, video, and touch simultaneously, which keeps the setup clean. You also get another USB-C (20W PD) and HDMI 1.2 ports for broader compatibility.
How does it stack against the competition?
Where Elgato’s Stream Deck offers physical buttons without a true display, the Strix XG129C delivers a full touchscreen, which not only looks elegant and modern but also provides more control.
Its most direct rival is the Corsair’s Xeneon Edge at 14.5 inches, and a similar price, but the XG129C’s tighter aspect ratio and ROG ecosystem integration make it a more compelling pick for people who’re already in the ROG setup.
To me, the concept sounds similar to the secondary screen on the Zephyrus Duo laptops. Asus has essentially brought the ScreenPad experience to the desktop, but with a more refined and intentional approach.