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MSI MPG 321CURX 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 1700R curved 3840 × 2160 QD-OLED monitor running up to 240 Hz over DisplayPort, HDMI 2.1 or USB-C, with a 0.03 ms GtG response rating, DisplayHDR True Black 400 and up to 98 W USB-C charging.

Prices & buying options

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UK: no verified listing yet · checked daily

Price history · US
eBay USnew · USD

Item price · same listing and exact model

Latest check$1,003.51
Lowest shown$1,000.22

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.
$1,003.5117 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.

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Exact listing · eBay US · USD
Checked (UTC)Item price
$1,000.45
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$1,000.34
$1,000.34
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$1,000.22
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$1,003.51

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THE ACTUAL PRODUCT
MSI MPG 321CURX QD-OLED monitor on its supplied stand, official front view with manufacturer sample screen artwork
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS ProArt Display OLED PA32UCDM
Explore alternativesUpgrade from this product

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 321CURX QD-OLED. The first matches the Compare button above.

The useful part.

Key strengths

240 Hz at 3840 × 2160 on every input, a 0.03 ms GtG response rating and 99% DCI-P3 (CIE 1976), with USB-C video, up to 98 W charging, a USB hub and KVM.

Manufacturer source
The checks that matter.

Before you buy

Allow 318 mm of desk depth for the stand, which has no pivot. The USB hub ports are USB 2.0, and the 1000 cd/m² HDR figure applies only in Peak 1000 mode at 3% APL.

Manufacturer source
Every specification. With its source.

Full specifications

Suggest a correctionOur publishing standard

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

57 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

Manufacturer panel diagonal; rounded size printed on marketing imagery may differ.

Source
Native resolution
3840 × 2160Source
Panel technology
QD-OLEDSource
Aspect ratio
16:9Source
Screen shape
Curved, 1700RSource
Screen surface
Anti-reflectionSource
Pixel pitch
0.1814 × 0.1814 mmSource
Declared viewing angles
178° horizontal / 178° verticalSource

Refresh & response

8 items
Refresh rate
240 Hz

DisplayPort: up to 240 Hz; HDMI: up to 240 Hz; USB-C DisplayPort Alt Mode: up to 240 Hz, at native 3840 × 2160 resolution. Source, cable and selected mode must support the signal.

Source
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

Requires a compatible source, port, driver and mode.

Source
Declared adaptive-sync range
48–240 HzSource
Native-resolution input limits
HDMI, DisplayPort and USB-C: 3840 × 2160 up to 240 Hz

Compatible source, cable and mode support required.

Source
Maximum HDMI refresh at native resolution
240 Hz

Compatible source and cable required.

Source
Maximum USB-C refresh at native resolution
240 Hz

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

Source
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.

Source
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.

Source

Colour, brightness & HDR

9 items
Declared brightness
250 cd/m²

Typical SDR brightness; not an HDR peak figure.

Source
Static contrast claim
1500000:1Source
Colour depth
10-bitSource
HDR support
DisplayHDR True Black 400Source
HDR brightness conditions
450 cd/m² typical in True Black 400 mode at 10% APL; 1000 cd/m² typical in Peak 1000 mode at 3% APL

Manufacturer HDR mode conditions; APL means average picture level. Not full-screen SDR brightness.

Source
Declared sRGB gamut
138% (CIE 1976)

Figures above 100% describe colour volume, not coverage.

Source
Declared DCI-P3 gamut
99% (CIE 1976)Source
Declared Adobe RGB gamut
98% (CIE 1976)Source
Displayable colours
1.07 billionSource

Inputs & connections

11 items
USB-C connection
YesSource
Inputs and versions
1 × DisplayPort 1.4a; 2 × HDMI 2.1; 1 × USB-C with DisplayPort Alt Mode and up to 98 W Power Delivery; headphone output

DisplayPort: up to 240 Hz; HDMI: up to 240 Hz; USB-C DisplayPort Alt Mode: up to 240 Hz, at native 3840 × 2160 resolution. Source, cable and selected mode must support the signal.

Source
USB hub
Yes

USB hub data needs an upstream connection to the computer.

Source
USB hub connections
2 × USB 2.0 Type-A; 1 × USB 2.0 Type-BSource
USB-C charging
98 W

Maximum charging output, not the monitor’s power consumption. Compatible device and cable required.

Source
KVM function
Yes

Manufacturer-listed function; compatible host and peripheral connections required.

Source
Picture-in-picture / picture-by-picture
Yes

MSI does not document mode restrictions with HDR or adaptive sync.

Source
HDMI CEC
Yes

Requires a CEC-capable source; MSI does not say which HDMI input carries CEC.

Source
HDMI version
2.1Source
DisplayPort version
1.4aSource
USB-C display input
Yes

Source port and cable must support DisplayPort Alt Mode.

Source

Stand & mounting

8 items
Height-adjustable stand
Yes

The supplied stand has a published height adjustment range of 0–100 mm. This is travel, not the assembled monitor height.

Source
VESA mounting pattern
100 × 100 mmSource
Stand height travel
100 mm

Adjustment travel, separate from assembled monitor height.

Source
Stand adjustment
Tilt −5° to +15°; swivel ±30°; no pivot; height travel 100 mmSource
Stand tilt
−5° to 15°Source
Swivel-adjustable stand
Yes

Listed swivel range −30° to 30°.

Source
Portrait pivot
No

MSI lists pivot as N/A.

Source
Kensington lock slot
YesSource

Size, weight & build

6 items
Dimensions with stand
714 × 473 × 318 mm (width × height × depth, with stand)

Manufacturer dimensions with stand, shown width × height × depth. Stand depth is not panel thickness and excludes additional cable clearance.

Source
Stand depth
318 mm

Manufacturer dimensions with stand, shown width × height × depth. Stand depth is not panel thickness and excludes additional cable clearance.

Source
Dimensions without stand
714 × 423 × 123 mm (width × height × depth)Source
Active display area
699.48 × 394.73 mm (horizontal × vertical)Source
Net weight
8.4 kg

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

Source
Gross shipping weight
11.9 kgSource

Power & energy

1 item
Supplied power arrangement
Internal power board; 100–240 V, 50/60 Hz AC inputSource

Eye care & features

3 items
Gaming Intelligence desktop app
Yes

MSI app for keyboard-and-mouse control of monitor modes.

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
Headphone output
YesSource

Box, warranty & identity

2 items
Package contents
Monitor and stand; HDMI 2.1 cable, DisplayPort 1.4a cable, C13 power cord, quick guide, USB Type-B to A cable and 4 VESA wall-mount screws

Package contents can vary by country; check the listing.

Source
Manufacturer warranty
Not listed by the manufacturer

MSI's MPG 321CURX datasheet has no warranty row; check regional warranty terms with MSI.

Source
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