ASUS Republic of Gamers 26.5-inch 4K Monitor Review

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Main Features

Display Size: 26.5"

Panel Type: Quantum Dot OLED (QD-OLED)

Resolution: 3840 x 2160

Refresh Rate: 240 Hz

Response Time: 0.03 ms

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

HDR Support: Yes: HDR10

Max Brightness:

450 nits (cd/m²)
1000 nits (cd/m²) - Peak in HDR Mode

Coating: Glossy

Curved Screen: No

ASUS PG27UCDM Overview

ASUS PG27UCDM... ASUS PG27UCDM

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ASUS PG27UCDM 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 26.5", QUANTUM DOT OLED (QD-OLED) panel, 3840 x 2160 resolution, 240Hz refresh rate, HDR support. This monitor keeps up with your reaction time, match after match.

Who is it for?

For gaming, premium gaming display that delivers professional-grade performance with lightning-fast response times. Ideal for serious gamers who demand the absolute best.

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.

ASUS PG27UCDM is a member of ASUS's PG series of monitors. Below you can find the latest models from this series.

ASUS PG Series History

Model	Display Size	Resolution	Refresh Rate
ASUS PG27UCDM	26.5"	3840 x 2160	240 Hz
ASUS PG32UCDM Compare	31.5"	3840 x 2160	240 Hz
ASUS PG32UCDP Compare	31.5"	3840 x 2160	480 Hz
ASUS PG279QM Compare	27"	2560 x 1440	240 Hz
ASUS PG27AQDM Compare	26.5"	2560 x 1440	240 Hz
ASUS PG27AQN Compare	27"	2560 x 1440	360 Hz

Details

GENERAL
Brand	ASUS
Model Name	PG27UCDM
Instruction Set	26.5"
Panel Type	Quantum Dot OLED (QD-OLED)
Resolution	3840 x 2160
Refresh Rate	240 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 240 resolution ensures sharp visuals. HDR support enhances dynamic range for a more vivid image. 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	1000 nits @ HDR 450 nits @ SDR
HDR Support	Yes: HDR10
Color Support (Bit Depth, FRC)	1.07 Billion Colors (10-Bit)
Color Gamut	99% sRGB, 99% DCI-P3
Response Time	0.03 ms (GtG)
Variable Refresh Technology	G-Sync, FreeSync Premium Pro
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	Glossy
Adjustments	Tilt Swivel Rotation Height
Dimensions (with Stand)	24 x 21.6 x 8.6" / 609.6 x 548.6 x 218.4 mm
Dimensions (w/o Stand)	24 x 14.5 x 2.7" / 609.6 x 368.3 x 68.6 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 Glossy coating provides vibrant colors but may reflect more light. It offers ergonomic features such as height adjustment, tilt support, swivel functionality, portrait rotation.

Monitor Size Comparison

Connectivity & Audio
USB Ports	1x USB-C (Unspecified Version) with DP Alt Mode, USB PD 90 W3x USB-A 3.0 / 3.1/3.2 Gen 1
HDCP Support	Yes: Version 2.2
Multi-Input (PIP/PBP)	Yes: Picture-in-Picture (PIP)

Connection features support diverse usage scenarios effectively. HDCP 2.2 compliance enables full Netflix 4K, Disney+, and other premium streaming experiences. 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.