AOC Launches Q27G4SM 27-Inch 2K 340Hz QD-Mini LED Monitor

AOC has launched the Q27G4SM, a new 27-inch (68.58 cm) gaming monitor priced at 1,799 yuan (about $248 USD) on JD.com. This new model combines a high-speed refresh rate with premium backlight technology to target budget-conscious gamers. The display is currently listed and available for purchase on the Chinese retailer’s online platform.

The monitor has a 2K resolution of 2560×1440 pixels and supports a quick 340Hz refresh rate. It utilizes a Fast VA panel backed by a QD-Mini LED backlight configuration featuring 1,152 local dimming zones. Under typical HDR workloads, the screen achieves a peak brightness level of 1,200 nits alongside a static contrast ratio of 1000:1.

Schematic diagram showing the internal components and QD-Mini LED backlight structure of the AOC Q27G4SM monitor.
QD-Mini LED backlight configuration featuring 1,152 local dimming zones.
Rear panel close-up of the AOC Q27G4SM monitor showing the HDMI 2.1, DisplayPort 1.4, and audio I/O ports.
Rear panel includes two HDMI 2.1 and one DisplayPort 1.4 ports.

Also read: AOC Agon Pro AGP497UCZD 49-inch 240Hz QD-OLED Display

For color quality, the display supports 10-bit color depth to avoid color banding during smooth gradients. The hardware covers 100% of the sRGB color space and 99% of the DCI-P3 wide color gamut to ensure accurate rendering. In addition to high color accuracy, competitive players can expect a fast 1ms Gray-to-Gray (GtG) response time to minimize motion blur.

The included stand supports flexible ergonomics, including tilt, rotation, and height adjustments to match various desk layouts. For wall mounting, the back panel supports standard VESA 100x100mm (about 3.9 x 3.9 inches) mounting brackets. On the other hand, the port selection provides two HDMI 2.1 ports, one DisplayPort 1.4 port, and a 3.5mm headphone jack.

Currently, the product is only listed on the Chinese regional JD.com portal. AOC has not announced international pricing or a global release date for western markets yet. Desktop gamers seeking a highly responsive mini-LED upgrade will be able to order the screen starting today.

Source: JD.com

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