Model
27G550B
Screen Size
27 inches
Panel Type
IPS
Resolution
FHD 1,920 x 1,080
Refresh Rate
Max 300 Hz
Response Rate
1ms (GTG)
LG 27 UltraGear Gaming Monitor 27G550B FHD IPS 300Hz

Comprehensive review of the LG 27 UltraGear 27G550B: Amazing speed for competitive gaming
In the world of eSports and fast-paced shooting games, screen speed is the most crucial factor for gaining an edge over opponents. The LG 27 UltraGear 27G550B monitor meets this need with excellence, offering exceptional refresh rates of up to 300Hz on an IPS panel, providing a rare balance between lightning-fast response and stunning color quality, making it the perfect weapon for professional gamers seeking smooth performance without compromises. The LG 27 UltraGear 27G550B meets this need with excellence, offering exceptional refresh rates of up to 300Hz on an IPS panel, providing a rare balance between lightning-fast response and stunning color quality, making it the perfect weapon for professional gamers seeking smooth performance without compromises.
Features of the LG 27 UltraGear 27G550B
This 27-inch monitor focuses on delivering pure competitive performance, equipped with a range of technologies and specifications that ensure you see every movement with complete clarity, and its features are as follows:
Insane 300Hz refresh rate for unbeatable speed
What distinguishes this monitor is its massive refresh rate of300Hz, which means it can display 300 frames per second. This speed ensures you see enemy movements with absolute smoothness and without any visible delay, giving you a crucial advantage in fast-paced first-person games. This is accompanied by a response time of1ms (GtG), which completely eliminates motion blur, keeping the image sharp and clear during the most intense moments of gameplay.
Exceptional color quality with an IPS panel and FHD resolution
Despite its focus on speed, the monitor does not compromise on display quality. It features anIPSpanel with a resolution ofFHD (1920 x 1080), providing wide viewing angles of 178 degrees. It also supports excellent color coverage with 99% sRGB, ensuring accurate and realistic colors that make the gaming environment more vibrant. Additionally, the monitor supportsHDR 10for better contrast and clearer details in bright and dark scenes.
Advanced synchronization technologies and a smooth gaming experience
For a completely tear-free and stutter-free experience, the monitor is fully compatible with leading synchronization technologies, supportingNVIDIA G-Sync CompatibleandAMD FreeSync Premium, along with support for variable refresh rate (VRR). These technologies work in harmony to ensure frame stability no matter how intense the graphical battles become.
Exclusive features tailored for gamers
The monitor provides tools that give you a tactical edge, such asBlack Stabilizerwhich brightens dark areas to reveal hidden enemies, and theDynamic Action Syncwhich reduces input lag to ensure instant response to your commands. It also includes a frame rate indicator (FPS Counter) and an integrated crosshair to enhance aiming accuracy.
Ergonomic design for exceptional flexibility
To keep you comfortable during long sessions, the stand features a flexible design that allows for full screen adjustment. You can change the height, tilt, swivel the screen left and right, and even use it in portrait mode, allowing you to set the screen at the perfect angle for your session and reduce neck strain.

Specifications of the LG 27 UltraGear 27G550B Monitor
POWER
Type: External Power (Adapter)
AC Input: 100~240V (50/60Hz)
Power Consumption (Sleep Mode): Less than 0.5W
Power Consumption (DC Off): Less than 0.3W
DISPLAY
Size [Inch]: 27
Size [cm]: 68.4
Resolution: 1920 x 1080
Panel Type: IPS
Aspect Ratio: 16:9
Pixel Pitch [mm]: 0.3108(H) x 0.3108(V)
Brightness (Min.) [cd/m²]: 240
Brightness (Typ.) [cd/m²]: 300
Color Gamut (Min.): sRGB 95% (CIE1931)
Color Gamut (Typ.): sRGB 99% (CIE1931)
Color Depth (Number of Colors): 16.7M
Contrast Ratio (Min.): 700:1
Contrast Ratio (Typ.): 1000:1
Response Time: 1ms (GtG at Faster)
Refresh Rate (Max.) [Hz]: 300
Viewing Angle (CR≥10): 178º(R/L), 178º(U/D)
FEATURES
HDR 10: YES
HDR Effect: YES
Flicker Safe: YES
Reader Mode: YES
Color Weakness: YES
NVIDIA G-Sync™: G-SYNC Compatible
AMD FreeSync™: FreeSync Premium
VRR: YES
Black Stabilizer: YES
Dynamic Action Sync: YES
Crosshair: YES
FPS Counter: YES
User Defined Key: YES
Auto Input Switch: YES
Smart Energy Saving: YES
CONNECTIVITY
HDMI: YES(2ea)
DisplayPort: YES(1ea)
DP Version: 1.4
Headphone out: 3-pole (Sound Only)
MECHANICAL
Display Position Adjustments: Tilt/Height/Swivel/Pivot
Wall Mountable [mm]: 100 x 100 mm
DIMENSIONS/WEIGHTS
Dimension with Stand (W x H x D) [mm]: 614.1x534.4x220
Dimension without Stand (W x H x D) [mm]: 614.1x358.8x49.1
Dimension in Shipping (W x H x D) [mm]: 780 x 160 x 500
Weight with Stand [kg]: 5.5
Weight without Stand [kg]: 3.2
Weight in Shipping [kg]: 7.2
ACCESSORY
Display Port: YES
Specifications
| Monitor | |
|---|---|
| Flat / Curved | Flat |
| Monitor Size | 27 Inch |
| Refresh Rate | 300Hz |
| Response Time | 1 ms (GTG) |
| Screen Resolution | Full HD (1920x1080) |
| Panel Type | IPS |
| Information | |
|---|---|
| Brand | LG |
| Warranty | One Year |











