MSI MAG 321UP QD-OLED 31.5-inch 4K Monitor Review

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Main Features

Display Size: 31.5"

Panel Type: OLED

Resolution: 3840 x 2160

Refresh Rate: 165 Hz

Response Time: 0.03 ms

Contrast Ratio: Near Infinite (Black Pixels Emit No Light)

HDR Support: No

Max Brightness: 250 nits (cd/m²)

Coating: Anti-Glare

Curved Screen: No

MSI 321UP QD-OLED Overview

MSI 321UP QD-OLED... MSI 321UP QD-OL...

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MSI 321UP QD-OLED combines modern specifications with a reliable display experience. Thanks to its low response time and high refresh rate, it's an excellent choice for gamers. It features 31.5", OLED panel, 3840 x 2160 resolution, 165Hz refresh rate. This monitor keeps up with your reaction time, match after match.

Who is it for?

For gaming, solid gaming performance with good refresh rates and color accuracy. Both casual and semi-competitive players will be satisfied.

When it comes to office work, fair choice for office environments where budget is a primary concern. Functionality is adequate for essential business applications.

Who is it not for?

For creative work, limited creative potential due to poor color accuracy and narrow color gamut coverage. Only suitable for very basic design work with significant color compromises.

Details

GENERAL
Brand	MSI
Model Name	321UP
Instruction Set	31.5"
Panel Type	OLED
Resolution	3840 x 2160
Refresh Rate	165 Hz
Aspect Ratio	16:9

With an OLED panel providing excellent contrast and true blacks and a refresh rate of 3840 Hz, this display supports consistent performance across both creative and casual use cases. Its 165 resolution ensures sharp visuals. It offers wide color gamut coverage, which benefits professionals dealing with color-critical work.

Image Quality & Performance
Contrast Ratio	Near Infinite (Black Pixels Emit No Light)
Max Brightness	250 nits
HDR Support	No
Color Support (Bit Depth, FRC)	1.07 Billion Colors (10-Bit)
Color Gamut	97.5% sRGB, 97.5% AdobeRGB, 97.5% DCI-P3
Response Time	0.03 ms (GtG)
Variable Refresh Technology	Adaptive-Sync
Viewing Angle (H x V)	178 x 178°
Curved Display	No

Usage Suitability

Gaming: ★★★★☆

Office Work: ★★★☆☆

Creative Work: ★★☆☆☆

Higher-rated monitors for Office use:

Dell U2723QE ★★★★☆

27", IPS-Type LCD
Dell UltraSharp 34 ★★★★☆

34.14", IPS-Type LCD
LG 27BN85UN-B ★★★★☆

27", IPS-Type LCD

Higher-rated monitors for Creative use:

LG 27MD5KL ★★★★★

27", 99% DCI-P3, 99% CIE1976
MSI Pro MP273A ★★★★★

27", 106% CIE1976
Dell E2425H ★★★★★

24", 72% CIE1931, 83% CIE1976

Physical & Design
Coating	Anti-Glare
Adjustments	Tilt -5 to 15° Swivel -30 to 30° Rotation -10 to 10° Height 4.3" / 110 mm
Dimensions (with Stand)	28.2 x 18 x 9.5" / 717 x 457 x 242 mm
Dimensions (w/o Stand)	28.2 x 16.5 x 2.8" / 717 x 419 x 72 mm
VESA Mount	100 x 100 mm

It supports the common 100x100 mm VESA mount, making it easy to pair with most arms and wall mounts. The Anti-Glare screen finish helps reduce glare, making it easier to view in bright rooms. It offers ergonomic features such as height adjustment, tilt support, swivel functionality, portrait rotation.

Monitor Size Comparison

Connectivity & Audio
USB Ports	1x USB-C 2.0 with DP Alt Mode, USB PD 15 W
HDCP Support	Yes
Multi-Input (PIP/PBP)	No

Input and output options balance convenience with professional requirements. High-end graphics cards like RTX 4080 or RX 7800 XT are recommended for maximum capability utilization. Consider current hardware and future upgrade plans when evaluating these connection specifications.