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Asus announces new 280Hz and 240Hz QD-OLED gaming monitors with up to 1,000 nits peak brightness

Asus expands ROG Strix OELD monitors with the 280Hz XG27ACDMS and 240Hz XG27AQDMES.
ⓘ Asus
Asus expands ROG Strix OELD monitors with the 280Hz XG27ACDMS and 240Hz XG27AQDMES.
Asus is expanding its ROG Strix OLED monitor lineup with two new models: the ROG Strix OLED XG27ACDMS and ROG Strix OLED XG27AQDMES. Built around a 3rd Gen QD-OLED panel from Samsung, the two monitors offer a choice between a brighter 280Hz model with USB-C and a cheaper 240Hz option.

Alongside the upgraded Asus ROG Strix OLED XG27AQDMG Gen 2, Asus has also introduced two additional OLED gaming monitors under its ROG Strix lineup. Built around Samsung's 3rd-Gen QD-OLED panel, the new ROG Strix OLED XG27ACDMS and ROG Strix OLED XG27AQDMES add new 280Hz and 240Hz options to the popular 27-inch 1440p panel.

Both displays use a semi-glossy coating and are listed with a 0.03 ms response time. In addition, ASUS also equips the two monitors with its OLED Care Pro suite, which includes a proximity sensor designed to reduce the risk of burn-in by dimming the panel when the user steps away. That said, the XG27ACDMS packs more advanced features, including a 1,000 nits peak brightness and USB-C, albeit with only 15W Power Delivery. Combined with its higher refresh rate, the XG27ACDMS costs a bit more at $699.

On the other hand, the XG27AQDMES comes in at a lower $599. As expected, Asus cut some corners here to hit the lower price point. For instance, it has a peak brightness of 400 nits and does not come with a USB-C port. In the US, the monitors are available directly from Asus, but the XG27AQDMES is currently out of stock. In the UK, both models are available via Amazon, currently priced at £449 and £369, respectively.

The XG27ACDMS and XG27AQDMES share the same design
The back of the XG27ACDMS and XG27AQDMES monitors.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2026 03 > Asus announces new 280Hz and 240Hz QD-OLED gaming monitors with up to 1,000 nits peak brightness
Elvis Shida, 2026-03-12 (Update: 2026-03-12)