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LG UltraGear 34GX900A-B 34" Curved WOLED UWQHD Gaming Monitor 3440x1440 240Hz 0.03ms G-Sync FreeSync USB-C Black

Brand:
LG
LG UltraGear OLED monitor 34" 3440x1440 (UWQHD)
LG UltraGear 34GX900A-B 34" Curved WOLED UWQHD Gaming Monitor 3440x1440 240Hz 0.03ms G-Sync FreeSync USB-C Black
€1244.57 inc. VAT
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34GX900A-B
€1,045.86 €1,162.07
€1,244.57 inc. VAT
Ships from EU stock: 7 item(s)
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Product Code
04:547019
EAN Code
8806096492499
Manufacturer
LG

Quick Specs

Panel
34" Curved WOLED UWQHD
Refresh + Response
240Hz · 0.03ms (OLED)
Adaptive Sync
G-Sync + FreeSync Premium
HDR
DisplayHDR True Black 400
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LG UltraGear 34GX900A-B 34" Curved WOLED UWQHD Gaming Monitor

Sweet-spot 34" 800R-curved WOLED ultrawide for immersive gaming — UWQHD at 240 Hz with 0.03 ms response, perfect blacks and HDR True Black 400.
240Hz · 0.03ms (OLED)UWQHD 3440×144034" curved 800RG-Sync · FreeSync Premium Pro

The LG UltraGear 34GX900A-B is the sweet-spot 34" WOLED ultrawide gaming monitor — large enough for full peripheral immersion in racing and RPG titles without going to 39"/45" panels that demand peak-tier GPUs. UWQHD 3440 × 1440 at 240 Hz on a curved 800R WOLED panel delivers OLED-class blacks, 0.03 ms response and DisplayHDR True Black 400 — and the resolution is achievable at high frame rates on RTX 4070/4080 and Radeon 7800/7900 builds.

Best For
✓ Immersive RPG & open-world gaming
✓ Racing & flight simulators
✓ Competitive FPS at high refresh
✓ HDR content consumption
✓ RTX 4070/4080 mainstream gaming builds
✓ Console (PS5/XSX) HDR gaming

Key Features

 
34" 800R curved WOLED
LG's WOLED panel delivers pixel-perfect blacks, infinite contrast and OLED-class viewing angles. 800R curve fully fills peripheral vision in racing, flight and RPG titles.
 
240Hz UWQHD + 0.03ms
3440 × 1440 at 240 Hz with 0.03 ms (GtG) — OLED-class motion clarity with no ghosting. Mainstream RTX 4070/4080 GPUs can reach high frame rates here.
 
DisplayHDR True Black 400
VESA DisplayHDR True Black 400 certification — true HDR contrast from OLED self-emissive pixels with no halo, blooming or backlight bleed.
 
G-Sync + FreeSync Premium Pro
Validated G-Sync Compatible and AMD FreeSync Premium Pro for tear-free gaming across NVIDIA and AMD GPUs, with low-framerate compensation.

Technical Specifications

Part Number 34GX900A-B
EAN 8806096492499
Brand LG
Series UltraGear OLED
Panel Size 34" curved (800R)
Panel Type WOLED
Resolution UWQHD 3440 × 1440 @ 240 Hz
Brightness 275 cd/m² (typ.) · DisplayHDR True Black 400
Contrast 1,500,000:1 (effectively infinite — OLED)
Response Time 0.03 ms (GtG)
Adaptive Sync NVIDIA G-Sync Compatible + AMD FreeSync Premium Pro
Ports HDMI 2.1, DisplayPort 1.4, USB-C (verify wattage), USB 3.0 hub, 3.5 mm headphone
OLED Care Pixel cleaning · Pixel shift · Screen saver · Logo dimming
Stand Full ergonomic (height / tilt / swivel)
Warranty 2-year OLED burn-in coverage
Colour Black

Frequently Asked Questions

Will the OLED panel suffer burn-in?
OLED burn-in risk is real for static UI over many hours. LG includes pixel cleaning, pixel shift, screen savers and logo dimming, plus a 2-year burn-in warranty on UltraGear OLED. For all-day static productivity use, prefer LCD.
What GPU do I need to drive 240 Hz UWQHD?
UWQHD 240 Hz is achievable on RTX 4070 / 4080 and Radeon RX 7800 XT / 7900 builds for most modern AAA titles with DLSS / FSR Frame Generation. Older mid-tier GPUs hit lower refresh rates.
Does HDMI 2.1 deliver 4K 120 Hz on PS5 / Xbox Series X?
Yes — HDMI 2.1 supports up to 4K 120 Hz with VRR, down-scaled to the panel's native UWQHD. Both PS5 and Xbox Series X work at 120 Hz with VRR.
How does this compare to the 39GS95QE-B?
Same panel technology but smaller — 34" vs 39", same UWQHD 3440 × 1440 and 240 Hz. The 39GS95QE-B is more immersive but harder to drive at full refresh. The 34GX900A is the sweet spot for mainstream high-end gaming builds.
Singular Expert Insight
Choose 34GX900A-B if you want OLED ultrawide gaming at the most balanced size and resolution — 34" UWQHD 240 Hz hits a real sweet spot for RTX 4070/4080-class builds. If you want maximum immersion go to the 39GS95QE-B (39" same res) or 45GX950A (45" 5K2K). If you need flat 4K instead of ultrawide, pick LG 32GS95UE.

Buyer's Guide

Buy it if
You want 34" WOLED curved ultrawide gaming at 240 Hz on a balanced mainstream RTX 4070/4080 build — RPG, FPS, racing and HDR content.
Skip it if
You leave static UIs on screen for many hours daily (use LCD), need flat 4K (use 32GS95UE) or want larger 39"/45" curve immersion.
Also consider
LG 39GS95QE-B (39" UWQHD), LG 45GX950A (45" 5K2K), Samsung Odyssey OLED G8 (32" 4K), LG 32GS95UE (32" 4K).

Features - LG - 34GX900A-B

Colour
black
More Details
Product Code
04:547019
EAN Code
8806096492499
Manufacturer
LG
Technical specifications
Monitor Usage
  • Gaming
Monitor Size
34"
Resolution
UWQHD (Ultrawide)
Resolution (raw)
3440×1440
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