LG UltraWide 34U511A-B 34" Black

★★★★★ 4.6 (173)
Screen 34
Resolution 2560 x 1080
Panel IPS
Refresh 100 Hz
response time ms 5
adaptive sync FreeSync
HDR HDR10
LG UltraWide 34U511A-B 34" Black monitor
69 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong social proof (96th percentile) 96th
  • Strong color (83th percentile) 83th
  • Strong feature (72th percentile) 72th

Cons

  • Below average compact (16th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q4 '25: 4.6★ · 26 reviewsQ1 '26: 4.6★ · 51 reviewsQ2 '26: 5.0★ · 7 reviews26517Q4 '25Q1 '26Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews
  1. Q2 202695/1005.0★7 reviews

    Buyers praised the monitor for its large flat screen, productivity boost, and value. Common themes included ease of multitasking, good image quality, and smooth 100Hz refresh rate.

    • Large flat screen ideal for multitasking without curve.
    • Improves productivity and workflow efficiency.
    • Good value for price at around $200.
    • No physical buttons or remote for screen control.
  2. Q1 202685/1004.6★51 reviews

    Reviews praise the monitor's excellent picture quality, vibrant colors, and ultrawide screen for multitasking. A few report early hardware failure or desire for curve/speakers/height adjustment.

    • Large ultrawide screen with vibrant colors, clear text, and great for multitasking/work.
    • One confirmed early hardware failure (black screen, beeping) after a week; possible power supply issue.
    • Some users desire a curved version, built-in speakers, or height-adjustable stand.
    • A few reviews note image fuzziness or resolution loss on the large screen, affecting productivity.
  3. Q4 202578/1004.6★26 reviews

    Buyers praised the ultrawide screen for productivity and multitasking, with good out-of-box colors. Some noted lower resolution softness, weak speakers, and non-adjustable stand.

    • Great for productivity and multitasking with ample screen real estate.
    • FHD resolution on 34-inch results in softer text and lower pixel density.
    • Good out-of-box color accuracy and IPS panel quality.
    • No height adjustment, no USB-C, and included accessories are limited.

Based on 84 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Color 82.6
Portability 16
Display 61.2
Feature 72.4
Ergonomic 49
Performance 53.2
Connectivity 42.6
Social Proof 95.6

Specifications

Full Specifications

Display

Size 34"
Resolution 2560 (QHD)
Panel Type IPS
Aspect Ratio 21:9
Curved No

Performance

Refresh Rate 100 Hz
Response Time 5
Adaptive Sync FreeSync

Color & HDR

Brightness 400 nits
Color Gamut 90% sRGB
Color Depth 8-bit
HDR HDR10
HDR Support HDR10

Connectivity

HDMI Ports 1
DisplayPort 1
USB-C 0
Speakers No
Headphone Jack Yes

Ergonomics

Height Adjustable No
Tilt Yes
Swivel No
Pivot No
VESA Mount 100x100

Features

Webcam No
Touchscreen No
PIP/PBP No
Power 32
Weight 7.6 kg / 16.8 lbs

vs Competition

Spec LG UltraWide 34U511A-B 34" ASUS ROG Strix XG27AQDMG MSI MPG MPG 271QRX QD-OLED Samsung Odyssey OLED G6 G60SF Alienware AW-Series AW3425DW Dell UltraSharp U3425WE
Screen Size 34 26.5 27 27 34 34.13999938964844
Resolution 2560 x 1080 2560 x 1440 2560 x 1440 2560 x 1440 3440x1440 3440x1440
Panel Type IPS OLED QD-OLED QD-OLED QD-OLED IPS
Refresh Rate 100 240 360 500 240 120
Response Time Ms 5 0.029999999329447746 0.029999999329447746 0.029999999329447746 0.029999999329447746 5
Adaptive Sync FreeSync FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro G-Sync Compatible
Hdr HDR10 HDR10 DisplayHDR True Black 400 HDR10+ DisplayHDR 400 True Black DisplayHDR 400
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureErgonomicPerformanceConnectivitySocial Proof
LG UltraWide 34U511A-B 34" 82.61661.272.44953.242.695.6
ASUS ROG Strix XG27AQDMG Compare 96.473.975.772.490.497.993.186
MSI MPG MPG 271QRX QD-OLED Compare 98.963.976.672.490.499.582.299.5
Samsung Odyssey OLED G6 G60SF Compare 93.963.976.672.490.499.99870.9
Alienware AW-Series AW3425DW Compare 98.379.985.591.890.497.995.395.6
Dell UltraSharp U3425WE Compare 86.586.880.997.390.456.299.886

Price

Value & Pricing

From CA$289 3 offers across 3 retailers
B&H Photo 1 offers From CA$289
Amazon.ca 1 offers From CA$360
Newegg.ca 1 offers From CA$381

Price History

CA$250 CA$300 CA$350 CA$400 May 9May 20May 28 CA$381

Usage Scores

Overall (69.1)Gaming (60.7)Office (65.4)Creative (66.1)Portable (7)Professional (66.6)Entertainment (62.4)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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