27″ LG 27G521B – Full Specifications
The LG 27G521B keeps the 200 Hz refresh and 1 ms response of the 27G520B but simplifies the hardware: a tilt-only stand and 250 nits of brightness, with weights of 4.5 kg with t...
Overview
The LG 27G521B keeps the 200 Hz refresh and 1 ms response of the 27G520B but simplifies the hardware: a tilt-only stand and 250 nits of brightness, with weights of 4.5 kg with the stand and 3.4 kg without. The 27-inch IPS panel runs at 1920 × 1080 with 99% sRGB coverage, FreeSync Premium and G-Sync compatibility, and HDR10 input. Two HDMI 2.0 ports and DisplayPort 1.4 provide connectivity, and a user-defined key adds quick access to settings. A 27-inch 200 Hz gaming monitor for fixed desk setups, it has no speakers.
- Refresh up to 200 Hz, 1 ms
- Tilt-only stand, 4.5 kg with base
- 250 nits, 99% sRGB, HDR10 input
- User-defined key for quick settings
- Two HDMI 2.0 ports and DisplayPort 1.4
Pros & Cons
- 200 Hz and 1 ms deliver responsive gameplay
- Light 4.5 kg body suits compact desks
- User-defined key speeds up setting changes
- Both FreeSync Premium and G-Sync compatibility supported
- 99% sRGB coverage keeps colours lively
- Tilt-only stand prevents height and pivot changes
- 250 nits brightness suits dim rooms best
- 81 ppi softens fine text details
- No integrated speakers or USB hub
Score & Ratings
| Specification | Value |
|---|---|
| Brand | LG |
| Model | 27G521B |
| Model Alias | 27G521B-B |
| Full Product Name | LG 27G521B |
| Model Year | 2026 |
| Monitor Type | Gaming Monitor |
| Available Colors | Black |
| 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 | 90.76% |
| 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
| Specification | Value |
|---|---|
| Native Resolution | 1920 × 1080 |
| Resolution Name | Full HD / 1080p |
| Pixel Density | 81 ppi |
| Pixel Pitch | 0.311 mm |
| Specification | Value |
|---|---|
| Panel Bit Depth | 8-bit |
| FRC | No |
| Display Colors | 16.7 million |
| Total Color Bits | 24-bit |
| Typical Brightness | 250 nits |
| HDR Support | Yes |
| HDR Formats |
|
| HDR10 | Yes |
| sRGB Coverage | 99% |
Fills central vision comfortably at a typical desk distance — no head movement needed.
| Specification | Value |
|---|---|
| Refresh Rate Range | 48–200 Hz |
| Minimum Response Time | 1 ms |
| Variable Refresh Rate | Yes |
| AMD FreeSync | Premium |
| NVIDIA G-Sync | Compatible |
| Black Stabilizer | Yes |
| Crosshair | Yes |
| FPS Counter | Yes |
| Dynamic Action Sync | Yes |
| 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 |
Ports & Connections
| Specification | Value |
|---|---|
| Built-In Speakers | No |
| Built-In Camera | No |
| Specification | Value |
|---|---|
| VESA Mount | Yes |
| Removable Stand | Yes |
| Height Adjustment | No |
| Tilt Adjustment | Yes |
| Forward Tilt | 5° |
| Backward Tilt | 20° |
| Swivel Adjustment | No |
| Pivot Adjustment | No |
| Specification | Value |
|---|---|
| Dimensions With Stand | 612.7 × 462.7 × 220.9 mm |
| Dimensions Without Stand | 612.7 × 361.6 × 37.6 mm |
| Weight With Stand | 4.5 kg |
| Weight Without Stand | 3.4 kg |
| Stand Depth | 220.9 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% |
| 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 |
|
| Specification | Value |
|---|---|
| HDMI Cable | Included |
Packaging Information 2
| Specification | Value |
|---|---|
| Package Dimensions | 744 × 444.5 × 109.2 mm |
| Package Weight | 5.72 kg |
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Draws less power than 94% of the 701 comparable displays we track.