MSI 321UPX QD-OLED Overview
Immerse yourself in rich visuals during fast-paced matches with the MAG 321UPX QD-OLED 31.5″ 4K HDR 240 Hz Gaming Monitor from MSI. Featuring a 240 Hz refresh rate and 0.03 ms response time with adaptive-sync support, this UHD 4K 3840 x 2160 OLED display minimizes motion blur for smooth visuals.
This OLED display also delivers rich visuals with VESA DisplayHDR True Black 400 certified high-dynamic range support providing realistically bright highlights and deep shadows. You can connect your compatible devices through the dual HDMI ports and DisplayPort 1.4a input. Or use the USB-C port with a compatible laptop to transfer video, audio, and up to 15W of power. Plug a pair of headphones into the 3.5mm jack for listening privacy. MSI’s 3-year OLED warranty covers burn-in.
Items Included
- MSI MAG 321UPX QD-OLED 31.5″ 4K HDR 240 Hz Gaming Monitor
- Power Cable
- HDMI Cable
- Limited 3-Year Manufacturer Warranty
Additional Resources
User Manual
3.5 MB
MSI 321UPX QD-OLED Specs
| Display Size |
31.5″ |
| Panel Type |
Quantum Dot OLED (QD-OLED) |
| Native Resolution |
3840 x 2160 |
| Maximum Brightness |
250 nits / cd/m2 |
| HDR Support |
Yes |
| Color Support |
1.07 Billion Colors (10-Bit) |
| Color Gamut |
97% Adobe RGB 99% DCI-P3 138% sRGB |
| Finish |
Anti-Glare / Matte |
| Touchscreen |
No |
| Inputs |
2x HDMI 1x DisplayPort 1.4a |
| Outputs |
1x 1/8″ / 3.5 mm (Headphone) |
| USB I/O |
1x USB-C (Unspecified Version) (DisplayPort Alt Mode) |
| Built-In Speakers |
No |
| Display Size |
31.5″ |
| Panel Type |
Quantum Dot OLED (QD-OLED) |
| Aspect Ratio |
16:9 |
| Native Resolution |
3840 x 2160 |
| Maximum Brightness |
250 nits / cd/m2 |
| HDR Support |
Yes |
| Contrast Ratio |
Near Infinite (Black Pixels Emit No Light) |
| Response Time |
0.03 ms (GtG) |
| Refresh Rate |
240 Hz |
| Variable Refresh Technology |
Adaptive-Sync |
| Color Support |
1.07 Billion Colors (10-Bit) |
| Color Gamut |
97% Adobe RGB 99% DCI-P3 138% sRGB |
| Viewing Angle (H x V) |
178 x 178° |
| Curved Display |
No |
| Look-Up Table |
No |
| Finish |
Anti-Glare / Matte |
| Touchscreen |
No |
| Inputs |
2x HDMI 1x DisplayPort 1.4a |
| Outputs |
1x 1/8″ / 3.5 mm (Headphone) |
| HDCP Support |
Yes |
| USB I/O |
1x USB-C (Unspecified Version) (DisplayPort Alt Mode) |
| Multi-Input Support (PIP/PBP) |
No |
| Built-In Speakers |
No |
| Input Power |
100 to 240 VAC, 50 / 60 Hz |
| Power Adapter Type |
Internal |
| Adjustments |
Tilt -5 to 15° Swivel -30 to 30° Rotation -10 to 10° Height 3.9″ / 100 mm |
| VESA Mounting-Hole Pattern |
100 x 100 mm |
| Lock Slot |
Yes, Kensington |
| Dimensions |
28.2 x 18.8 x 9.5″ / 717 x 477 x 242 mm (with Stand) 28.2 x 16.5 x 2.8″ / 717 x 419 x 72 mm (without Stand) |
| Weight |
20.1 lb / 9.1 kg |
| Package Weight |
20.5 lb |
| Box Dimensions (LxWxH) |
38.5 x 20 x 6.5″ |
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