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Gaming / Monitors

MSI MPG 321CURX QD-OLED
Screen size
31.5in
Resolution
3840 × 2160
Refresh rate
240Hz
Panel
QD-OLED

105 of 172 fields known.

At a glance

Ports

  • 2 HDMI 2.1
  • DisplayPort 1.4a
  • USB-C 1.4
  • USB-B 2.0
  • USB-C
  • 2 USB-A 2.0
  • Headphone3.5 mm out

All specs

SourceCalculated

General

Announced
Not available
Status
Not available
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Gaming1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026

Display

Screen size
31.5in(80 cm)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Viewable screen diagonal
Not available
Pixel density
139.9ppi
Pixel pitch
Not available
Active display area
Width699.48Height394.73mm(27.5 × 15.5 in)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026Maker publishes this H x V area, but native resolution multiplied by published 0.1814 mm pixel pitch gives a different area. The cause is not stated. Pixel pitch is omitted.
Curvature radius
1,700mm1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Touchscreen
Not available

Panel

Panel type (as published)
QD-OLED1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Backlight
None (self-emissive)3Maker product pagemsi.com/Monitor/MPG-321CURX-QD-OLEDRead 5 October 2026
Local dimming
Not available
Dimming zones
Not available
Panel part number
Not available
Panel generation
3rd Gen QD-OLED3Maker product pagemsi.com/Monitor/MPG-321CURX-QD-OLEDRead 5 October 2026Maker introduction explicitly 3rd-gen QD-OLED. Monitor generation is not substituted.
Subpixel layout
Triangular RGB6Reviewdisplayninja.com/msi-mpg-321curx-reviewRead 5 October 2026Own microscopy pp Subpixel Layout explicitly improved triangular arrangement, with more square individual emitters. Emitter shape does not change arrangement.
Colour depth
10bits1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Colour depth method
Native6Reviewdisplayninja.com/msi-mpg-321curx-reviewRead 5 October 2026Exact-model review Specs expressly true 10-bit. This is panel implementation, distinct from input accepted depth.
sRGB coverage
Not available
DCI-P3 coverage
99%3Maker product pagemsi.com/Monitor/MPG-321CURX-QD-OLEDRead 5 October 2026Maker The most Vivid Display expressly 99 percent DCI-P3 coverage. Sheet 138% sRGB is volume, so sRGB coverage is omitted.
Adobe RGB coverage
Not available
Rec. 2020 coverage
Not available
NTSC coverage
Not available
Claimed Delta E
23Maker product pagemsi.com/Monitor/MPG-321CURX-QD-OLEDRead 5 October 2026Maker factory pre-calibration Delta E<=2 claim. Reference colour space, formula and mean/maximum scope are unstated.
Paper calibration report in box
Not available
Hardware calibration support
Not available
Static contrast ratio
1,500,000:11Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Brightness (typical, SDR)
250nits1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Brightness (maker minimum)
Not available
Peak brightness (HDR)
1,000nits1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026Published Peak 1000 mode, 3% APL. Separate True Black 400 mode typical 450 nits at 10% APL is not substituted.
Full-screen brightness
Not available
HDR formats
Not available
HDR certification
DisplayHDR True Black 4001Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026

Refresh rate and motion

Refresh rate per resolution and port
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4aUSB-C
3840 × 2160Native240HzDSC240HzDSC240HzDSC
Show as source table
Width (px)Height (px)InputInput versionMaximum accepted rate (Hz)DSC
38402160HDMI2.1240Yes
38402160DisplayPort1.4a240Yes
38402160USB-CNot available240Yes
Max refresh rate
240Hz
Max refresh rate at native resolution
240Hz
Max refresh rate over DisplayPort
240Hz
Max refresh rate over HDMI
240Hz
Max refresh rate over USB-C
240Hz
Max refresh rate at 10-bit
Not available
Native refresh rate
240Hz1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Overclocked refresh rate
Not available
Dual mode
Not available
Minimum fixed refresh rate
Not available
Adaptive sync technologies
FreeSync Premium Pro, G-SYNC Compatible, Adaptive-Sync1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 20262Owner's manualfiles.bbystatic.com/0Sy6%2F%2FqbV4xLvmDRnyYZqA%3D%3D/MPG%2B321CURX%2BQD-OLED%2BUser%2BGuideRead 5 October 2026Gaming p16 explicitly Adaptive-Sync toggle. This is protocol capability, rather than a VESA Adaptive-Sync certification claim.
VRR range per port
InputMin (Hz)Max (Hz)
HDMI48240
Low framerate compensation
Not available
Response time (maker GtG claim)
0.03ms1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Response time (maker MPRT claim)
Not available
Overdrive settings
Not available
Motion blur reduction
Not available
Blur-reduction technology
Not available
Blur reduction works with VRR
Not available
Black frame insertion
Not available

Measured

Input lag at maximum refresh rate
2.58ms6Reviewdisplayninja.com/msi-mpg-321curx-reviewRead 5 October 2026Own OSRTT display latency 2.58 ms at 240 Hz. Monitor calibrated and warmed up, FW.016. HDMI and DP, VRR on/off gave similar results. Picture preset unstated. Display latency rather than processing-only lag.
Input lag at 60 Hz
13.09ms6Reviewdisplayninja.com/msi-mpg-321curx-reviewRead 5 October 2026Same OSRTT calibrated/warmed FW.016 display latency 13.09 ms at 60 Hz. Native-size display, unlike emulation crop modes with different latency.
Average response time (measured)
Not available
Overshoot (measured)
Not available
Contrast ratio (measured)
Not available
SDR brightness (measured)
250nits6Reviewdisplayninja.com/msi-mpg-321curx-reviewRead 5 October 2026Own linked Maximum SDR Brightness chart 250 nits at 100% APL. FW.016, Calibrite Display Pro HL. Other windows 246-251. Picture preset/calibration state/input unstated.
PWM flicker frequency (measured)
Not available
VRR range (measured)
Not available
Gray uniformity (measured)
Not available
Reflections (measured)
Not available

Connectivity

HDMI ports
2
DisplayPort ports
1
Highest HDMI version
2.1
Highest DisplayPort version
1.4a
USB-C power delivered
98W1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Thunderbolt
Not available
USB upstream ports
ConnectorUSB versionCount
USB-B2.01
USB-CNot available1
USB downstream hub ports
ConnectorUSB versionCount
USB-A2.02
Daisy chain (MST)
Not available
3.5 mm headphone output
Yes2Owner's manualfiles.bbystatic.com/0Sy6%2F%2FqbV4xLvmDRnyYZqA%3D%3D/MPG%2B321CURX%2BQD-OLED%2BUser%2BGuideRead 5 October 2026
3.5 mm microphone input
No2Owner's manualfiles.bbystatic.com/0Sy6%2F%2FqbV4xLvmDRnyYZqA%3D%3D/MPG%2B321CURX%2BQD-OLED%2BUser%2BGuideRead 5 October 2026Exhaustive I/O pp7-9 and 23 shows headphone output, with no microphone input.

Smart features

We could not find any of these 4 fields. Show them
Smart platform
Not available
Wi-Fi
Not available
Bluetooth
Not available
Remote control
Not available

Audio and camera

Number of speakers
Not available
Speaker power per channel
Not available
Webcam
Not available
Microphone
Not available

Ergonomics and controls

Stand height adjustment
100mm1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Tilt
Forward5°Backward15°1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Swivel
Left30°Right30°1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Pivot
Not available
Removable stand
Not available
VESA adapter needed
Not available
Ambient light sensor
Not available
Presence sensor
Not available
RGB lighting
Yes2Owner's manualfiles.bbystatic.com/0Sy6%2F%2FqbV4xLvmDRnyYZqA%3D%3D/MPG%2B321CURX%2BQD-OLED%2BUser%2BGuideRead 5 October 2026p 20 RGB LED names MSI Mystic Light and brightness adjustment, specifically MPG 321CURX.
Gaming menu features
Smart Crosshair, Optix Scope, Night Vision, AI Vision, Refresh Rate, Alarm Clock2Owner's manualfiles.bbystatic.com/0Sy6%2F%2FqbV4xLvmDRnyYZqA%3D%3D/MPG%2B321CURX%2BQD-OLED%2BUser%2BGuideRead 5 October 2026

OLED care

Burn-in covered by warranty
Yes3Maker product pagemsi.com/Monitor/MPG-321CURX-QD-OLEDRead 5 October 2026Global maker 3-year OLED panel warranty explicitly includes burn-in. Regional legal terms may vary.

Dimensions and weight

Front and side, drawn to scale.

Dimensions with stand
Width714Depth318mm(28.1 × 12.5 in)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026Published 473 mm height is not labelled as minimum or maximum, so height endpoints are omitted.
Dimensions without stand
Width714Height423Depth123mm(28.1 × 16.7 × 4.8 in)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Stand footprint
Not available
Weight with stand
8.4kg(18.5 lb)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026Net 8.4 kg matches manual p 24 for assembled monitor. Bare weight is not inferred.
Weight without stand
Not available
Box dimensions
Width975Height513Depth185mm(38.4 × 20.2 × 7.3 in)1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026Direct published Carton Dimension W x D x H 975 x 185 x 513 mm. This scope is kept without assuming a separate outer carton.

Power

Power supply
Internal1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/monitor/global/MPG-321CURX-QD-OLED.pdfRead 5 October 2026
Adapter rating
Not available
Power use (typical)
Not available
Power use (max)
Not available
Power use SDR (EU label)
33W4EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2116260Read 5 October 2026Published on-mode SDR 33 W. Manual p 23 unlabelled Power On <290 W under Typical is not stored as typical or maximum draw.
Power use HDR (EU label)
50W4EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2116260Read 5 October 2026Published on-mode HDR 50 W. No USB load inclusion assumption is made.
Off-mode power
0.3W4EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2116260Read 5 October 2026Registry 0.3 W, manual p 23 <0.3 W.

Certifications

VESA AdaptiveSync Display
Not available
Low blue light
Hardware3Maker product pagemsi.com/Monitor/MPG-321CURX-QD-OLEDRead 5 October 2026Maker Blue Light Reduction explicitly hardware panel-layer solution always on. Separate selectable warm filter is not substituted.
ENERGY STAR
Not available
TCO Certified
Not available
EPEAT
Not available
Colour certifications
Not available

In the box

Cables included
TypeCount
HDMI 2.11
DisplayPort 1.4a1
Power Cord (C13)1
USB Type-B to A1

Warranty

Manufacturer warranty (source market)
3years5Maker product pageus-store.msi.com/Monitors/MPG-321CURX-QD-OLEDRead 5 October 2026Exact US maker store expressly 3-years limited warranty based on purchase date. Region-specific service terms apply.
Dead pixel policy
Not available

Compare with

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Sources

We read 9 sources for this monitor. The numbers match the markers in the sheet.

  1. Read 5 October 2026Backs 44 fields
  2. Read 5 October 2026Backs 19 fields
  3. Read 5 October 2026Backs 15 fields
  4. Read 5 October 2026Backs 7 fields
  5. Read 5 October 2026Backs 2 fields
  6. Read 5 October 2026Backs 11 fields
  7. Read 5 October 2026Backs 2 fields
  8. Read 5 October 2026Backs 1 field
  9. Read 5 October 2026Backs 3 fields

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