This Asus ROG QD-OLED Ultrawide Monitor Is Now on Sale for $350—Its Lowest Price Ever.

Prime Day runs from June 23rd to 26th, and Lifehacker will be sharing the best deals based on product reviews, comparisons, and price tracking tools before it’s over.
-
Follow our online blog to stay up to date with the best sales we find.
-
Check out our editors’ picks for the best deals on laptops, fitness equipment, home appliances, and more.
-
Sign up for our Add to Cart shopping newsletter to receive the best sales straight to your inbox.
-
New to Prime Day? We’ve prepared a detailed guide for you covering everything you need to know . Discount information is current at the time of publication, but prices and availability are subject to change.
The Asus ROG Strix XG34WCDG monitor features a 34-inch QD-OLED panel with a 3440×1440 resolution, a 175Hz refresh rate, and a near-instantaneous 0.03ms response time. It handles both high-end gaming and creative tasks with ease. It’s also factory-calibrated, so color accuracy is preset by default and requires no further adjustment. Regularly priced at $999, it’s now down to $649—the lowest price yet, according to price tracking tools . For more details on great deals and buying tips, check out our Prime Day 2026 review.
The key advantage here is the QD-OLED panel. You get the perfect blacks and near-instantaneous pixel response of OLED combined with the color reproduction of quantum dots, while the 1800R curvature radius provides true immersion without distorting straight lines. Furthermore, this panel’s matte finish allows for use in ambient light—a truly crucial feature for glossy OLED panels. Asus also takes pixel burn-in seriously, combining a dedicated heatsink and graphene film cooling with a comprehensive OLED Care Pro software suite that shifts pixels, dims the screen when you move away, and monitors static UI elements like taskbars and the HUD. It’s quite a complex setup for a problem that shouldn’t occur often, but its presence inspires confidence.
When it comes to gaming, AMD FreeSync Premium Pro and G-Sync compatibility ensure a smooth gaming experience on both AMD and NVIDIA systems, especially at the monitor’s native 175Hz refresh rate. Ultrawide monitor support remains inconsistent with some titles, with black bars or awkward interface scaling appearing in certain games. The OLED display’s brightness also shines best in controlled lighting, rather than in a room bathed in direct sunlight. And while the USB-C port is convenient for charging accessories or connecting lightweight devices, the 15W output is significantly lower than we’d like for full-fledged laptop operation with a single cable. Still, for those who need a single display that can handle fast-paced gaming, immersive ultrawide monitors, and creative work without obvious compromises, this panel’s $649 price tag truly represents a compelling value.
Looking for something different? Retailers like Walmart and Best Buy are running Prime Day-style sales, which are especially helpful if you don’t have an Amazon Prime subscription.
-
Walmart’s Prime Day sale runs from June 22nd to 28th and includes discounts of up to 50%. This is an especially great deal if you have a Walmart+ subscription.
-
Best Buy’s Prime Day sale runs from June 22nd to 28th, offering some of the best deals on tech online. This is an especially great deal for My Best Buy Plus or Total members.
-
Target’s Prime Day sale runs from June 23rd to 26th, with discounts up to 50%. Join the Circle loyalty program for free.