MSI MPG 491CQPX QD-OLED computer monitor 124.5 cm (49 inch) 5120 x 1440 pixels Dual QHD Black

The MSI MPG 491CQPX QD-OLED is a 49-inch curved gaming monitor with a Dual QHD 5120 x 1440 (32:9) QD-OLED panel. It delivers deep blacks and wide viewing angles with a typical brightness of 250 cd/m² and a very high contrast ratio. The display supports an ultra-fast 0.03 ms (GtG) response time and a 240 Hz refresh rate, and includes features to reduce motion blur and lower the risk of OLED burn-in. Connectivity options include HDMI 2.1 ports for console compatibility, a USB Type-C downstream port and a built-in USB hub. The monitor is VESA-mountable and offers height adjustment for ergonomic setup.

Advantages

The QD-OLED panel provides vivid colors and deep blacks while the 1800R curvature and 32:9 aspect ratio create an immersive wide-field view. A 240 Hz refresh rate combined with a 0.03 ms response time improves motion clarity for fast-paced games. VESA ClearMR certification and DisplayHDR True Black 400 support enhanced image quality and reduced motion artifacts. OLED Care 2.0 helps mitigate burn-in risk during prolonged use. HDMI 2.1 with 48 Gbps bandwidth, VRR and ALLM support ensures smooth console performance at up to 120 Hz.

Suitable for

• Competitive and fast-paced PC gaming
• Console gaming with HDMI 2.1 systems
• Multitasking and productivity on a wide 32:9 workspace
• Content creation requiring high contrast and color depth

Key specifications

• Display size: 49 inches
• Resolution: 5120 x 1440 (Dual QHD)
• Panel type: QD-OLED, curved 1800R
• Aspect ratio: 32:9
• Refresh rate: 240 Hz
• Response time: 0.03 ms (GtG)
• Typical brightness: 250 cd/m²
• Contrast ratio (typical): 1,500,000:1
• Viewing angles: 178° horizontal / 178° vertical
• USB: USB Type-C downstream port and built-in USB hub
• Speakers: no built-in speakers
• Mounting: VESA compatible
• Energy class (SDR/HDR): G
• Color: Black

How to use

Place the monitor on a stable surface or mount it using a compatible VESA arm. Connect your PC or console via HDMI 2.1 to take advantage of VRR and 120 Hz console modes, or use the USB Type-C downstream port for compatible devices. Adjust the height and tilt for ergonomic viewing. Configure display settings in your operating system or graphics driver to match the 5120 x 1440 resolution and select the desired refresh rate. Enable OLED Care 2.0 and use appropriate screen settings to balance brightness and power consumption.

Recommendations

To reduce the risk of image retention, vary content and avoid leaving static images on the screen for extended periods; enable power-saving or screen-saver functions when the monitor is idle. For optimal gaming performance use a GPU and cables that support HDMI 2.1 bandwidth and VRR.