Description

Overview

The LG 34GX90SA-W UltraGear is a 34-inch curved OLED ultrawide gaming monitor built for elite gaming and immersive entertainment. Featuring a UW-QHD resolution (3440 × 1440) with a 21:9 aspect ratio, it delivers stunning picture clarity and a wide field of view perfect for competitive esports and cinematic gameplay.

With an impressive 240Hz refresh rate and 0.03ms GtG response time, motion blur is virtually eliminated, ensuring every frame is sharp and fluid. The monitor supports DisplayHDR True Black 400 for vibrant contrast and lifelike visuals, while AI Picture and AI Sound enhancements powered by webOS bring smart TV-like functionality to your gaming monitor.

LG 34GX90SA-W Specifications

Display

• Screen Size: 34″ Curved

• Panel Type: OLED

• Resolution: 3440 × 1440 (UW-QHD)

• Aspect Ratio: 21:9

• Brightness: 275 cd/m²

• Contrast Ratio: 1,500,000:1

• Refresh Rate: 240Hz

• Response Time: 0.03ms (GtG)

• Pixel Pitch: 0.231 × 0.231 mm

• Viewing Angles: 178° (H) / 178° (V)

• Color Depth: 1.07B (10-bit)

• HDR: DisplayHDR True Black 400

• Surface: Anti-glare, Low Reflection

Audio

• Speakers: 7W × 2

• AI Sound Optimizations

Smart Features

• OS: webOS

• AI Picture / Dynamic Tone Mapping

• AI Personalized Picture Wizard

Connectivity

• HDMI: 2 × HDMI

• DisplayPort: 1 × DP 1.4 (DSC)

• USB-C: 1 × (3440×1440 @ 240Hz, 65W PD, Data Transfer)

• USB Downstream: 2 × USB 2.0

• USB Upstream: 1 × (via USB-C)

• LAN (RJ-45): Yes

• Headphone Out: 3-pole (audio only)

Sync Technology

• NVIDIA G-SYNC Compatible

• AMD FreeSync Premium

• VESA AdaptiveSync Certified

Ergonomics

• Tilt Adjustment: Yes

• Height Adjustment: Yes

• Swivel: Yes

• Pivot: No

LG 34GX90SA-W Design

• Color: Black / White

• Curved: Yes

• Lighting: Hexagonal RGB

• Stand: L-shaped, ergonomic

Power

• Supply: External power adapter

• Consumption: 39 kWh / 1000h HDR

• Standby: <0.5W

• Energy Efficiency Class: G

Physical

• Dimensions (with stand): 784.1 × 580.4 × 291.8 mm

• Dimensions (without stand): 784.1 × 358.3 × 167.1 mm

• Weight (without stand): 6.2 kg

Key Features

• 34″ OLED ultrawide curved display with 3440 × 1440 resolution.

• 240Hz refresh rate and 0.03ms GtG response time for pro-level gaming.

• DisplayHDR True Black 400 for deeper contrast and cinematic visuals.

• webOS with AI Picture, Dynamic Tone Mapping, and AI Sound.

• NVIDIA G-SYNC Compatible + AMD FreeSync Premium for smooth, tear-free gameplay.

• USB-C with 65W Power Delivery for charging laptops or devices.

• Dual 7W integrated speakers with AI-enhanced audio.

• Hexagonal RGB lighting and ergonomic stand (tilt, height, swivel).

Compatible with both NVIDIA G-SYNC and AMD FreeSync Premium, the LG 34GX90SA-W ensures seamless, tear-free gaming. Its sleek hexagonal lighting design, ergonomic stand, and USB-C connectivity with 65W power delivery make it a versatile choice for gamers who demand both style and performance.