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MONITORS

MSI MPG 321URX QD-OLED

31.5-inch · 3840 × 2160 · 240 Hz

Screen diagonal
31.5 in
Native resolution
3840 × 2160
Refresh rate
240 Hz

A 31.5-inch 3840 × 2160 QD-OLED monitor running up to 240 Hz over DisplayPort 1.4a, HDMI 2.1 or USB-C, with a 0.03 ms GtG response rating, DisplayHDR True Black 400 and up to 90 W USB-C charging.

Prices & buying options

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Price history · US
eBay USnew · USD

Item price · same listing and exact model

Latest check$934.49
Lowest shown$775.49

20 observed days · 28 Sept–17 Oct

eBay US observed item prices20 observed days. Last checked price per UTC day. Missing dates break the line. Use Explore dates or the table for exact values.
$934.4917 Oct, 12:04 UTC

Last recorded item price per UTC day. Delivery and tax are excluded. Gaps mean no recorded check. Past prices do not confirm current availability; this is not a market-wide price history.

View recorded prices
Exact listing · eBay US · USD
Checked (UTC)Item price
$917.99
$917.99
$917.99
$917.99
$917.99
$917.99
$917.99
$979.49
$775.49
$775.49
$979.49
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$979.49
$934.49
$934.49
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$934.49
$934.49

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THE ACTUAL PRODUCT
MSI MPG 321URX QD-OLED: one monitor with its supplied stand, shown from the front at an angle
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS ProArt Display OLED PA32UCDM

Specifications checked 21 Sept 2026Manufacturer specifications, not a hands-on test.

Options worth comparing

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The nearest checked monitors by key specifications, with what differs from the MSI MPG 321URX QD-OLED. The first matches the Compare button above.

The useful part.

Key strengths

The QD-OLED panel reaches 240 Hz at 3840 × 2160 on every input with a 0.03 ms GtG response rating, USB-C carries video with up to 90 W charging, and the 3-year warranty covers panel burn-in.

The checks that matter.

Before you buy

It uses DisplayPort 1.4a rather than 2.1, the USB hub ports are USB 2.0, PIP/PBP isn't available, and the stand's ±10° rotation is not a portrait pivot.

Every specification. With its source.

Full specifications

Exact configuration: 31.5-inch · 3840 × 2160 · 240 Hz · exact MSI global configuration

53 specifications in 10 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 1 row repeats a listed fact in the manufacturer’s own wording, kept under “Manufacturer wording”.

Screen & panel

8 items
Screen diagonal
31.5 in

Active screen diagonal. Screens with different aspect ratios have different usable areas at the same diagonal.

2 sources

Refresh & response

8 items
Refresh rate
240 Hz

Up to 240 Hz at 3840 × 2160 through DisplayPort, HDMI or USB-C DisplayPort Alt Mode. Check required source, cable and mode support.

2 sources
Adaptive sync
Yes

Check that your graphics card or console, input and mode support the listed technology.

Source
Listed sync technology
NVIDIA G-SYNC Compatible; AMD FreeSync Premium Pro

FreeSync Premium Pro appears on MSI's specification page; the datasheet lists only G-SYNC Compatible.

2 sources
Native-resolution input limits
HDMI, DisplayPort and USB-C: 3840 × 2160 up to 240 Hz

Compatible source, cable and mode support required.

2 sources
Maximum HDMI refresh at native resolution
240 Hz

Compatible source and cable required.

2 sources
Maximum USB-C refresh at native resolution
240 Hz

USB-C DisplayPort Alt Mode; compatible source and cable required.

2 sources
Declared GtG response
0.03 ms

The feature text describes this as 'up to 0.03 ms GtG', a best-case manufacturer figure, not an average or input lag.

2 sources
Manufacturer wording (1)

The same facts in the manufacturer’s combined or original wording, each with its source.

Response method and claim
0.03 ms GtG

GtG, MPRT and input lag measure different things; a minimum figure is a best case, not an average.

2 sources

Colour, brightness & HDR

8 items
Declared brightness
250 cd/m²

Typical brightness; not an HDR peak figure.

2 sources
Declared sRGB gamut
138%

MSI's datasheet does not state the CIE reference (1931 or 1976).

2 sources

Inputs & connections

9 items
Inputs and versions
1 × DisplayPort 1.4a; 2 × HDMI 2.1; 1 × USB-C with DisplayPort Alt Mode and up to 90 W Power Delivery; headphone output

Up to 240 Hz at 3840 × 2160 through DisplayPort, HDMI or USB-C DisplayPort Alt Mode. Check required source, cable and mode support.

2 sources
USB hub
Yes

USB hub data needs an upstream connection to the computer.

Source
USB-C charging
90 W

Manufacturer maximum USB-C charging output; not monitor power consumption. Compatible host and cable required.

2 sources
Picture-in-picture / picture-by-picture
No

MSI lists PIP / PBP as N/A.

2 sources
USB-C display input
Yes

Source port and cable must support DisplayPort Alt Mode.

2 sources

Stand & mounting

8 items
Height-adjustable stand
Yes

The supplied stand has a published height adjustment range of 0–110 mm. This is travel, not the assembled monitor height.

Source
Stand adjustment
Tilt −5° to +15°; swivel ±30°; height travel 110 mm; screen rotation ±10° (MSI's 'pivot' figure — not a 90° portrait pivot)
2 sources
Stand height travel
110 mm

Listed adjustment travel, separate from the overall assembled height.

2 sources
Swivel-adjustable stand
Yes

Listed swivel range −30° to 30°.

2 sources
Portrait pivot
No

The stand lists a −10° to 10° rotation adjustment, not a 90° portrait pivot.

2 sources

Size, weight & build

6 items
Dimensions with stand
718 × 483 × 242 mm (width × height × depth, with stand)

Manufacturer assembled dimensions with stand; MSI lists W × D × H, shown here width × height × depth. Stand depth excludes additional cable clearance; this is not panel thickness.

2 sources
Stand depth
242 mm

Manufacturer assembled dimensions with stand; MSI lists W × D × H, shown here width × height × depth. Stand depth excludes additional cable clearance; this is not panel thickness.

2 sources
Dimensions without stand
718 × 418 × 69 mm (width × height × depth)
2 sources
Active display area
699.48 × 394.73 mm (horizontal × vertical)
2 sources
Net weight
9.6 kg

Manufacturer net weight; the datasheet does not state whether the stand is included.

2 sources

Power & energy

1 item
AC input
100–240 V, 50/60 Hz

Power type is listed only as 'Power Cable'. Supply-input range, not operating power consumption.

2 sources

Eye care & features

3 items
Gaming Intelligence desktop app
Yes

MSI names Smart Brightness, Smart Crosshair, Night Vision AI and Sound Tune.

Source
OLED maintenance features
OLED Care 2.0

MSI does not itemise the individual care functions.

Source
Panel cooling
Fanless (graphene film with custom heatsink)Source

Audio

1 item

Box, warranty & identity

1 item
Manufacturer warranty
3 years, including panel burn-in

Regional terms and exclusions apply.

2 sources
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