MSI MPG 321URXW QD-OLED 31.5" 4K UHD 240Hz Gaming Monitor (White)
PRODUCT DESCRIPTION
MSI MPG 321URXW QD-OLED 31.5" 4K UHD 240Hz Gaming Monitor (White)
Key specifications: 31.5" · UHD · QD-OLED · 240Hz · ClearMR 13000 · 0.03ms(GtG) · G-SYNC Compatible · HDR400 · Adjustable Stand · 2x HDMI2.1 · DP1.4a · USB-C PD90W · USB Hub · KVM · White
240Hz Refresh Rate + 0.03ms Response Time
A 240Hz refresh rate QD-OLED panel that can reach a fast 0.03ms GtG response time, benefiting fast-paced gaming genres.
ClearMR 13000
The display passed strict tests and is ClearMR 13000 certified under VESA's motion performance standard.
The True Black
QD-OLED can achieve pixel-dimming level control and give you pure black scenes without any backlight bleeding that is common with LCD monitors.
OLED Care 2.0
Provides a range of screen protection optimization mechanisms, including pixel shift and burn-in detection features.
Gaming Intelligence
The companion app lets you set up your gaming monitor using keyboard and mouse rather than physical buttons.
MSI MPG 321URXW QD-OLED Datasheet — Technical Specifications
General
| Product Name | MSI MPG 321URXW QD-OLED 31.5" 4K UHD 240Hz Gaming Monitor (White) |
| Model | MPG 321URXW QD-OLED |
| MSI Part Number | 9S6-3DD29A-038 |
| EAN | 4711377297370 |
| Brand / Series | MSI QD-OLED Gaming Monitors |
| OLED Panel Warranty | MSI offers a 3-year OLED panel warranty that covers burn-in |
Display
| Panel Size | 31.5" |
| Active Display Area (mm) | 699.48(H) x 394.73(V) |
| Curvature | Flat |
| Panel Type | QD-OLED |
| Panel Resolution | 3840 x 2160 (UHD) |
| Pixel Pitch (H x V) | 0.1814 (H) x 0.1814 (V) |
| Aspect Ratio | 16:9 |
| Brightness (nits) | SDR: 250; HDR: 450 (Typ.) (True Black 400 with 10% APL); 1000 (Typ.) (Peak 1000 with 3% APL) |
| Contrast Ratio | 1500000:1 (Typ.) |
| Signal Frequency | 104.88~565.44 KHz(H) / 48~240.39 Hz(V) |
| Activated Range | 48~240Hz |
| Refresh Rate | 240Hz |
| Response time | 0.03ms (GtG) |
| Dynamic Refresh Rate Technology | G-Sync Compatible |
| HDR Support | DisplayHDR True Black 400 |
| Viewing Angle | 178°(H) / 178°(V) |
| Adobe RGB / DCI-P3 / sRGB | 97% / 99% / 138% |
| Surface Treatment | Anti-Reflection |
| Display Colors | 1.07B ,10 bits |
| Frameless Design | Yes |
Connectivity & Features
| Video ports | 1 x DisplayPort 1.4a; 2 x HDMI™ 2.1 (UHD@240Hz); 1 x Type-C (DP alt.) w/PD 90W |
| USB ports | 2 x USB 2.0 Type-A; 1 x USB 2.0 Type-B |
| Audio ports | 1 x Headphone-out |
| PIP / PBP Function | Yes |
| Note | Display Port: 3840 x 2160 (Up to 240Hz); HDMI™: 3840 x 2160 (Up to 240Hz); Type C(DP alt.): 3840 x 2160 (Up to 240Hz) and 90W PD charging; Support: HDMI™ CEC, KVM, PIP/PBP |
Ergonomics & Mounting
| Adjustment (Tilt) | -5° ~ 15° |
| Adjustment (Swivel) | -30° ~ 30° |
| Adjustment (Pivot) | -10° ~ 10° |
| Adjustment (Height) | 0 ~ 110 mm |
| Kensington Lock | Yes |
| VESA Mounting | 100 x 100 mm |
Power
| Power Type | Internal Power Board |
| Power Input | 100-240V~ 50/60Hz |
Dimensions & Weight
| Dimension with Stand (W x D x H) | 718 x 242 x 483 mm; (28.2 x 9.5 x 19.0 inch) |
| Dimension without Stand (W x D x H) | 718 x 69 x 418 mm; (28.2 x 2.7 x 16.4 inch) |
| Weight (NW / GW) | 9.6 kg (21.1 lbs) / 12.3 kg (27.1 lbs) |
| Carton Dimension (W X D X H) | 975 x 185 x 515 mm; (38.3 x 7.2 x 20.2 inch) |
Certifications, Warranty & Accessories
| Accessories | 1x HDMI™ Cable (2.1); 1x DisplayPort Cable (1.4a); 1x Power Cord (C13); 1x Quick Guide; 1x USB Type-B to A Cable; 4x VESA Wall Mount Screw |
| Warranty | 3 years (including panel burn-in) |
Specifications are as published by MSI and may change without notice — see the MSI product page for the latest details.
Compatibility & Connectivity
Video Inputs
1 x DisplayPort 1.4a; 2 x HDMI™ 2.1 (UHD@240Hz); 1 x Type-C (DP alt.) w/PD 90W
USB
2 x USB 2.0 Type-A; 1 x USB 2.0 Type-B
Audio
1 x Headphone-out
Supported Modes (MSI note)
Display Port: 3840 x 2160 (Up to 240Hz); HDMI™: 3840 x 2160 (Up to 240Hz); Type C(DP alt.): 3840 x 2160 (Up to 240Hz) and 90W PD charging; Support: HDMI™ CEC, KVM, PIP/PBP
Mounting
VESA 100 x 100 mm — fits standard VESA monitor arms; check the arm's weight rating against the monitor weight in the datasheet.
Package Contents & MSI QD-OLED Gaming Monitors Ordering Information
In the Box
1x HDMI™ Cable (2.1); 1x DisplayPort Cable (1.4a); 1x Power Cord (C13); 1x Quick Guide; 1x USB Type-B to A Cable; 4x VESA Wall Mount Screw
MSI QD-OLED Gaming Monitors
| Model | Key feature |
| MPG 491CQPX QD-OLED | 49" / DQHD / Curved 1800R / QD-OLED / 240Hz |
| MPG 341CQR QD-OLED X36 | 34" / UWQHD / Curved 1800R / Tandem QD-OLED / 360Hz |
| MPG 341CQPX QD-OLED | 34" / UWQHD / Curved 1800R / QD-OLED / 240Hz |
| MPG 322URX QD-OLED | 31.5" / UHD / QD-OLED / 240Hz / ClearMR 13000 |
| MPG 321URXW QD-OLED (this listing) | 31.5" / UHD / QD-OLED / 240Hz / ClearMR 13000 |
| MPG 321URX QD-OLED | 31.5" / UHD / QD-OLED / 240Hz / ClearMR 13000 |
| MAG 272UP QD-OLED X24 | 26.5" / UHD / QD-OLED / 240Hz / ClearMR 13000 |
| MPG 271QR QD-OLED X50 | 26.5" / WQHD / QD-OLED / 500Hz / ClearMR 21000 |
| MAG 272QPW QD-OLED X28 | 26.5" / WQHD / QD-OLED / 280Hz / ClearMR 15000 |
| MAG 272QP QD-OLED X24 | 26.5" / WQHD / QD-OLED / 240Hz / ClearMR 13000 |
Datasheet & Downloads
| MSI product page | MPG 321URXW QD-OLED on msi.com |
| Specifications | MPG 321URXW QD-OLED specifications |
| Drivers, manuals & firmware | MPG 321URXW QD-OLED support |
Frequently Asked Questions — MSI MPG 321URXW QD-OLED
What resolution and refresh rate does the MPG 321URXW QD-OLED support?
Resolution: 3840 x 2160 (UHD). Refresh rate: 240Hz (per MSI specification).
Can it charge a laptop over USB-C?
Yes, the USB-C port supplies up to 90W power delivery, so one cable can carry video, data and charging.
Is the stand height-adjustable?
Yes — height 0 ~ 110 mm, tilt -5° ~ 15°, swivel -30° ~ 30°, pivot -10° ~ 10°.
Does it have built-in speakers?
No, connect headphones or external speakers.
Does it support KVM?
Yes, the built-in KVM lets you control two connected computers with one keyboard and mouse.
What about OLED burn-in?
MSI OLED Care adds burn-in protection features, and MSI offers a 3-year OLED panel warranty that includes burn-in.
What warranty do I get?
3 years (including panel burn-in) (MSI). Singapore local MSI warranty through the authorised distributor. Supplied by SourceIT with a GST invoice.