LG UltraFine 27UL550-W 27" Black / Silver 2019
The 27-inch 4K IPS panel delivers sharp 3840 x 2160 resolution with 98% sRGB coverage and 1.07 billion colors, making it a precise tool for color-accurate work. Its fully adjustable stand with height, tilt, and pivot functionality adds ergonomic flexibility rarely found at this price point. This monitor is best for office professionals and designers who need a static, high-detail 4K workspace and don't require portability.
Snapshot
Pros & Cons
Pros
- Strong social proof (91st percentile) 91st
- Strong display (88th percentile) 88th
- Strong color (81st percentile) 81st
- Strong ergonomic (78th percentile) 78th
Cons
- Below average portability (32nd percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 7 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 27" |
| Resolution | 3840x2160 (4K UHD) |
| Panel Type | IPS |
| Aspect Ratio | 16:9 |
| Curved | No |
Performance
| Refresh Rate | 60 Hz |
| Response Time | 5 |
| Adaptive Sync | FreeSync |
Color & HDR
| Brightness | 300 nits |
| Color Gamut | 98% sRGB |
| Color Depth | 10-bit |
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | No |
| Pivot | Yes |
| VESA Mount | 100x100 |
Features
| Touchscreen | No |
| Power | 36 |
| Weight | 6.0 kg / 13.2 lbs |
vs Competition
| Spec | LG UltraFine 27UL550-W 27" | Samsung Odyssey Neo G9 LS57CG952NNXZA | ASUS ROG Strix XG27ACDNG | MSI MPG 491CQP | Dell UltraSharp U3425WE | Gigabyte M Series M27UP SA |
|---|---|---|---|---|---|---|
| Screen Size | 27 | 57 | 27 | 49 | 34.13999938964844 | 27 |
| Resolution | 3840 x 2160 | 7680 x 2160 | 2560 x 1440 | 5120 x 1440 | 3440 x 1440 | 3840 x 2160 |
| Panel Type | IPS | VA | OLED | QD-OLED | IPS | IPS |
| Refresh Rate | 60 | 240 | 360 | 144 | 120 | 160 |
| Response Time Ms | 5 | 1 | 0.029999999329447746 | 0.029999999329447746 | 5 | 1 |
| Adaptive Sync | FreeSync | FreeSync Premium Pro | FreeSync Premium Pro | Adaptive-Sync | G-Sync Compatible | G-Sync Compatible |
| Hdr | HDR10 | HDR10+ | DisplayHDR True Black 400 | Advanced HDR | DisplayHDR 400 | DisplayHDR 400 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | Ergonomic | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| LG UltraFine 27UL550-W 27" | 80.7 | 32.2 | 88.1 | 71.9 | 77.6 | 35 | 57.8 | 90.8 |
| Samsung Odyssey Neo G9 LS57CG952NNXZA Compare | 99.4 | 32.2 | 99.7 | 97.2 | 72.1 | 87.2 | 93.3 | 95.5 |
| ASUS ROG Strix XG27ACDNG Compare | 75.5 | 64.2 | 76.3 | 71.9 | 90.4 | 99.6 | 81.9 | 90.8 |
| MSI MPG 491CQP Compare | 81 | 55.3 | 97.9 | 97.2 | 90.4 | 95.8 | 81.9 | 90.8 |
| Dell UltraSharp U3425WE Compare | 86.2 | 87 | 80.6 | 97.2 | 90.4 | 55.7 | 99.8 | 86 |
| Gigabyte M Series M27UP SA Compare | 85.1 | 82.6 | 88.1 | 85.8 | 90.4 | 75.1 | 87.7 | 73.5 |
Price
Value & Pricing
Amazon.co.jp 1 offer From ¥70,700
We started tracking prices for this product on May 30, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
