LG UltraGear 27G810A-B / MSI MPG 271QR QD-OLED X50

LG UltraGear 27G810A-B: 27G810A-B, a 27-inch 4K IPS gaming monitor (black). 4K 240 Hz Dual Mode models and the 32GR93U are separate products.

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

SpecificationLG UltraGear 27G810A-BMSI MPG 271QR QD-OLED X50
Release year20262025
Panel27-inch IPS; 3840 × 2160; 16:9

IPS panels offer wide viewing angles and consistent colour; black level stays behind OLED and VA panels.

LG		26.5-inch flat QD-OLED MSI
Pixel densityPixel pitch 0.1554 mm (about 163 ppi)

A small pixel pitch makes text sharper; 4K at 27 inches makes interface elements smaller.

LG		—
Refresh rate180 Hz at 4K; 360 Hz at Full HD with Dual Mode

Dual Mode lowers the resolution to Full HD to allow a higher refresh rate; the image is less sharp in that mode.

LG		Up to 500 Hz MSI
Response time1 ms GtG (at the Faster setting)

LG gives this figure for the fastest response time setting; it gives no figure for other settings.

LG		Claimed 0.03 ms GtG; not input lag MSI
Brightness and contrastTypical 400 cd/m² (minimum 320); contrast 1000:1

1000:1 contrast is typical for IPS; blacks can look grey in a dark room.

LG		—
HDRHDR10; VESA DisplayHDR 400

DisplayHDR 400 is VESA’s lowest HDR certification tier; HDR content plays but bright highlights stay limited.

LG		—
ColourDCI-P3 95% (typical, CIE1976); 1.07 billion colours; factory calibration

DCI-P3 coverage describes how much of the wide colour space used in films and games can be shown.

LG		—
SyncNVIDIA G-Sync Compatible, AMD FreeSync, VESA Adaptive-Sync

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

LG		—
Video inputs2 HDMI 2.1, 1 DisplayPort 1.4 (DSC)

DSC uses visually lossless compression to fit a 4K 180 Hz signal into DisplayPort 1.4 bandwidth.

LG		—
USB1 USB 3.0 upstream, 2 USB 3.0 downstream; no USB-C

The USB ports act as a hub; no USB-C connection for video or charging is listed.

LG		—
AudioHeadphone out; DTS Headphone:X; no built-in speakers listed

Headphones or external speakers are needed for sound.

LG		—
StandHeight, tilt, swivel and pivot adjustment; VESA 100 × 100

Pivot lets the screen be used in portrait; VESA 100 × 100 fits standard monitor arms.

LG		—
PowerExternal adapter; 100–240 V; under 0.5 W in sleep

The external adapter keeps the monitor thinner but takes extra space on the desk.

LG		Internal power board; 100–240 V, 50/60 Hz MSI
Size and weightWith stand 24.2 × 21.0 × 8.7 in (raised), 16.3 lb (about 7.4 kg); without stand 24.2 × 14.6 × 2.0 in, 10.8 lb (about 4.9 kg)

Use the weight without the stand when choosing a monitor arm.

LG		—
In the boxDisplayPort and HDMI cables

No USB upstream cable is listed.

LG		—
Release year—2025 MSI
Active area—590.42 × 333.72 mm MSI
Resolution and aspect ratio—2560 × 1440; 16:9 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