RATED
Good
6.8/10
27″ LG 27G550B – Full Specifications
Wondering how much bigger a screen you can add without losing speed?
LG●Monitor
Display
27 in, IPS, 1920 × 1080
27
Refresh Rate
48–300 Hz
48
Brightness
300 nits
Contrast Ratio
1000:1
1000
Overview
Wondering how much bigger a screen you can add without losing speed? The LG 27G550B is the 27-inch counterpart to the 25G550B, keeping the 300 Hz ceiling and 1 ms response on a Full HD IPS panel. At 81 ppi the picture is less dense than on the smaller model, but the larger area helps with open-world and strategy games. VESA AdaptiveSync Display 300Hz, FreeSync Premium and G-Sync compatibility are listed, with two HDMI 2.0 ports and DisplayPort 1.4. The stand covers height, tilt, swivel and pivot, and weight is 5.5 kg.
- 27-inch Full HD IPS panel at 81 ppi
- 300 Hz refresh and 1 ms response
- 300 nits, 99% sRGB, HDR10 input
- Two HDMI 2.0 ports, one DisplayPort 1.4
- 5.5 kg with fully adjustable stand
Pros & Cons
Pros
- 300 Hz refresh suits fast competitive shooters
- Larger 27-inch area helps strategy and open-world games
- Fully adjustable stand includes pivot and swivel
- Supports AdaptiveSync, FreeSync Premium and G-Sync
- 99% sRGB coverage keeps colours accurate
Cons
- 81 ppi at 27 inches looks less sharp
- No speakers or USB ports built in
- Only 300 nits brightness for HDR10
- Only HDMI 2.0, not HDMI 2.1, for consoles
Score & Ratings
6.8/10
Good
Model Information
7
| Specification | Value |
|---|---|
| Brand | LG |
| Model | 27G550B |
| Model Alias | 27G550B-B |
| Full Product Name | LG 27G550B |
| Model Year | 2026 |
| Monitor Type | Gaming Monitor |
| Available Colors | Black |
Display & Panel
12
| Specification | Value |
|---|---|
| Screen Size | 27 in |
| Exact Diagonal | 27.01 in |
| Screen Shape | Flat |
| Aspect Ratio | 16:9 |
| Active Display Width | 597.888 mm |
| Active Display Height | 336.312 mm |
| Display Area | 91.26% |
| Panel Type | IPS |
| Backlight Type | W-LED |
| 3D Support | No |
| Screen Coating | Anti-glare / Matte |
| Coating Hardness | 3H |
27" Display Size (68.6 cm) 16:9
Resolution & Pixel Details
4
| Specification | Value |
|---|---|
| Native Resolution | 1920 × 1080 |
| Resolution Name | Full HD / 1080p |
| Pixel Density | 81 ppi |
| Pixel Pitch | 0.311 mm |
Picture Quality & Color
9
| Specification | Value |
|---|---|
| Panel Bit Depth | 8-bit |
| FRC | No |
| Display Colors | 16.7 million |
| Total Color Bits | 24-bit |
| Typical Brightness | 300 nits |
| HDR Support | Yes |
| HDR Formats |
|
| HDR10 | Yes |
| sRGB Coverage | 99% |
DESK DISTANCE FIT
65cm
CompactIdeal FitWideUltra-Wide
Fills central vision comfortably at a typical desk distance — no head movement needed.
Refresh Rate, Response & Gaming
10
| Specification | Value |
|---|---|
| Refresh Rate Range | 48–300 Hz |
| Minimum Response Time | 1 ms |
| Variable Refresh Rate | Yes |
| Adaptive-Sync | VESA AdaptiveSync Display 300Hz |
| AMD FreeSync | Premium |
| NVIDIA G-Sync | Compatible |
| Black Stabilizer | Yes |
| Crosshair | Yes |
| FPS Counter | Yes |
| Dynamic Action Sync | Yes |
Ports & Connectivity
8
| Specification | Value |
|---|---|
| HDMI Ports |
|
| HDMI Version | HDMI 2.0 |
| DisplayPort Input | 1× DisplayPort 1.4 |
| DisplayPort Version | DisplayPort 1.4 |
| HDCP Support | Yes |
| HDCP Version | HDCP 1.4 |
| Audio Output | 3.5 mm |
| Headphone Output | Yes |
Ports & Connections
Audio, Camera, Network & Smart Features
2
| Specification | Value |
|---|---|
| Built-In Speakers | No |
| Built-In Camera | No |
Ergonomics & Stand
13
| Specification | Value |
|---|---|
| VESA Mount | Yes |
| Removable Stand | Yes |
| Height Adjustment | Yes |
| Height Adjustment Range | 130 mm |
| Tilt Adjustment | Yes |
| Forward Tilt | 5° |
| Backward Tilt | 21° |
| Swivel Adjustment | Yes |
| Left Swivel | 60° |
| Right Swivel | 60° |
| Pivot Adjustment | Yes |
| Left Pivot | 90° |
| Right Pivot | 90° |
Dimensions, Weight & Design
5
| Specification | Value |
|---|---|
| Dimensions With Stand | 614.1 × 404.4 × 220 mm |
| Dimensions Without Stand | 614.1 × 358.8 × 49.1 mm |
| Weight With Stand | 5.5 kg |
| Weight Without Stand | 3.2 kg |
| Stand Depth | 220 mm |
Power & Operating Conditions 9
| Specification | Value |
|---|---|
| 110V Input Range | 100–120V |
| 220V Input Range | 220–240V |
| AC Frequency | 50–60 Hz |
| Sleep Consumption | 0.3 W |
| Off Consumption | 0.3 W |
| Operating Temperature | 0–40°C |
| Operating Humidity | 0–80% |
| Storage Temperature | -20–60°C |
| Storage Humidity | 0–85% |
Eye Care, Protection & Additional Features
7
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Low Blue Light | Yes |
| Reader Mode | Yes |
| Monitor Management Software | LG Switch |
| Auto Input Switching | Yes |
| Smart Energy Saving | Yes |
| Additional Monitor Features |
|
Certifications, Standards & Licenses 1
| Specification | Value |
|---|---|
| VESA AdaptiveSync | VESA AdaptiveSync Display 300Hz |
Included Accessories
1
| Specification | Value |
|---|---|
| DisplayPort Cable | Included |
Packaging Information 2
| Specification | Value |
|---|---|
| Package Dimensions | 780 × 500 × 160 mm |
| Package Weight | 7.21 kg |
⚡
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Daily₹0.01
Monthly₹0.43
Annually₹5.26
Draws less power than 94% of the 701 comparable displays we track.