ASUS ROG Strix OLED XG27UCDMG / MSI MPG 271QR QD-OLED X50

ASUS ROG Strix OLED XG27UCDMG: XG27UCDMG · 26.5-inch 4K 240 Hz QD-OLED

MSI MPG 271QR QD-OLED X50: 3CF4 · 9S6-3CF49T-001, black, 26.5-inch

SpecificationASUS ROG Strix OLED XG27UCDMGMSI MPG 271QR QD-OLED X50
Release year20252025
Panel26.5-inch (27-inch class) QD-OLED, 16:9, anti-reflection surface

QD-OLED pairs self-emitting pixels with a quantum-dot colour layer; each pixel switches off individually, so blacks are fully dark.

ASUS		26.5-inch flat QD-OLED MSI
Resolution and refresh3840 × 2160, 240 Hz

The 4K 240 Hz signal travels over DisplayPort 1.4 with DSC compression, or over HDMI 2.1 depending on graphics-card support.

ASUS		—
Response time0.03 ms (GtG)

This is the grey-to-grey pixel transition time, not total input lag.

ASUS		Claimed 0.03 ms GtG; not input lag MSI
Brightness1000 cd/m² HDR peak

ASUS notes peak brightness may vary with colour pre-calibration; the peak is reached on a small screen area.

ASUS		—
Contrast1,500,000:1 (typical) ASUS—
Colour99% DCI-P3, 145% sRGB; ΔE < 2; 10-bit

Factory calibration (ΔE < 2) means colours are set close enough to target that differences are hard to see.

ASUS		—
HDRHDR10; VESA DisplayHDR 400 True Black ASUS—
Inputs1 × DisplayPort 1.4 (DSC); 2 × HDMI 2.1 (FRL); 1 × USB-C (DP Alt Mode, 90 W power)

The USB-C input takes video from a laptop and charges it at up to 90 W over one cable. HDMI 2.1 suits consoles at 4K 120 Hz.

ASUS		—
USB hub and audio3 × USB 3.2 Gen 1 Type-A; headphone jack ASUS—
Variable refreshFreeSync Premium Pro, G-SYNC Compatible; VESA AdaptiveSync Display 240 Hz

Variable refresh matches the screen's rate to the graphics card's frame rate, reducing tearing and stutter.

ASUS		—
FeaturesASUS OLED Care, KVM switch, Extreme Low Motion Blur, Neo Proximity Sensor, flicker-free

KVM shares a keyboard and mouse connected to the monitor between two computers. The proximity sensor dims the screen when the user leaves to reduce OLED wear.

ASUS		—
Power consumption< 80 W; < 0.5 W in power saving; < 0.3 W off; 100–240 V ASUS—
StandTilt +20°/−5°, swivel ±45°, pivot ±90°, 0–120 mm height; VESA 100 × 100; 1/4-inch tripod socket

The tripod socket lets a camera or light be mounted on the stand.

ASUS		—
Dimensions and weightWith stand 61.30 × 50.94 × 16.87 cm, 7.44 kg; without stand 61.03 × 36.92 × 6.65 cm, 5.0 kg ASUS—
Warranty3 years (including panel burn-in)

Warranty terms may vary by country.

ASUS		—
In the boxDisplayPort, Ultra High Speed HDMI, USB 3.2 and USB-C cables; power cord; VESA mount kit; microfibre cloth ASUS—
Release year—2025 MSI
Active area—590.42 × 333.72 mm MSI
Resolution and aspect ratio—2560 × 1440; 16:9 MSI
Refresh rate—Up to 500 Hz MSI
Variable refresh range—48–500 Hz MSI
Synchronization—G-SYNC Compatible; AMD FreeSync Premium Pro MSI
SDR brightness—300 nits typical MSI
HDR brightness—True Black 500: 515 nits at 10% APL; Peak 1000: 1000 nits typical at 3% APL MSI
HDR certification—VESA DisplayHDR True Black 500 MSI
Color depth—10-bit; 1.07 billion colors MSI
DCI-P3—Claimed 99% coverage MSI
Surface—Anti-reflection coating MSI
DisplayPort—1 × DP 2.1a UHBR20 MSI
HDMI—2 × HDMI 2.1; 1440p 500 Hz support MSI
USB-C—DisplayPort Alt Mode and USB Power Delivery MSI
USB hub—2 × USB-A 5 Gbit/s; 1 × USB-B 5 Gbit/s upstream MSI
KVM—Switch one keyboard/mouse between computers MSI
Multiple sources—PIP / PBP MSI
Headphones—Headphone output MSI
Panel care—OLED Care 3.0; pixel shift and panel protection MSI
Presence sensor—AI Care Sensor; monitor or system control mode MSI
Height—110 mm adjustment MSI
Tilt and rotation—−5°–20° tilt; ±30° swivel, ±90° pivot MSI
VESA—100 × 100 mm MSI
Dimensions with stand—609.3 × 241.9 × 416.1 mm (W × D × H) MSI
Net weight—8.4 kg MSI
Power—Internal power board; 100–240 V, 50/60 Hz MSI