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27 inch LG Ultra HD 4K Monitor
IPS HDR UHD 4K Monitor (3840 x 2160) with Radeon FreeSync® Technology LG 27BL55U-B 27 LG MONITOR

27 inch LG Ultra HD 4K Monitor with Radeon FreeSync® Technology

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HDR 10

Enjoy Breathtaking Clarity

4K UHD (3840 x 2160) presents four times the resolution of Full HD (1920 x 1080) with HDR 10's industry standard for High Dynamic Range imaging.

LG 27BL55U-B Geared Up For Victory



LG 27BL55U-B Total Game Immersion



IPS with sRGB 98%

True-To-Life Color

IPS computer monitors help keep colors consistent at a wide viewing angle with reproducing 98% coverage of the sRGB color spectrum.



LG 27BL55U-B



Color Calibrated

Helps maintain accurate color on the screen and prevent gradual changes.


LG 27BL55U-B



HDCP 2.2 Compatible

Monitor fully supports 4K resolution of videos from streaming services, video game consoles and Ultra HD Blu-ray disc™ players.




Game Mode

Game modes for First-Person-Shooter game and even a RTS pre-set mode allow you to choose the best conditions for you and the game you're playing.

LG 27BL55U-B
LG 27BL55U-B



On-Screen Control 2.2*

Stay in the game as you take fast, easy control of essential monitor settings including picture, audio and Screen Split with just a few clicks of your mouse.







Ergonomic Stand

Find your ideal display position with the adjustable stand while the smooth curve of the base provides stability, assuring dependable performance with a touch of elegance.

LG 27BL55U-B


27BL55U-B Specifications
Pixel Pitch(mm) 0.2788 x 0.2823 mm
Viewing Angle (CR≥10) 178º (R/L), 178º (U/D)
Surface Treatment Anti-Glare treatment of the front polarizer (Haze25%, 3H)
Aspect Ratio 0.673611111111111
Contrast Ratio (Original) 41.6673611111111
Panel Type IPS
Resolution 1920 x 1200
Panel Size 25"
Color Gamut (Typ.) sRGB 99% (CIE1931)
Color Depth (Number of Colors) 16.7M
Brightness 300 nits (Typ.)
Response Time 5ms (GtG at Faster)
Display Position Adjustments Tilt/Height/Swivel/Pivot
Wall Mountable 100 x 100 mm
Without Stand (WxHxD) 21.6" x 14.5" x 2.1" / 547.7 x 369.3 x 53.0 mm
With Stand (WxHxD) 21.6" x 20.7" x 9.8" / 547.7 x 526.3 x 249.5 mm
Shipping Dimensions (WxHxD) 24.5" x 20.8" x 7.4" / 622 x 528 x 188 mm
With Stand Weight 13.9 lbs / 5.9 Kg
Without Stand Weight 9.0 lbs / 4.1 Kg
Shipping Weight 18.7 lbs / 8.5 Kg
UL(cUL) Yes
CE Yes
EPA 7.0 Yes
EPEAT YES - Bronze
ErP Yes
Type Built-in Power
Input 100-240 Vac, 50/60Hz
Power Consumption (Typ.) 25.6 W
Power Consumption (Energy Star) 17.7 W
Power Consumption (DC Off) Less than 0.3W
Power Consumption (Sleep Mode) Less than 0.5 W
Limited Warranty 3 Year Parts and Labor
UPC 7 19192 62975 2
Power Cord Yes
HDMI Black / 6 ft (1.8m)
Display Port Black / 6 ft (1.8m)
HDMI YES - Version 1.4 (1ea)
DisplayPort YES - Version 1.2 (1ea)
DisplayPort (Max. Resolution at Hz) 1920 x 1200 @60Hz
Headphone Out Yes
USB Upstream Port YES - Version 2.0 (1ea)
USB Downstream Port YES - Version 2.0 (2ea)
D-Sub Yes (1ea)
Speakers YES - 1.2W*2Ch
HDMI (Max. Resolution at Hz) 1920 x 1200 @60Hz
D-Sub (Max. Resolution at Hz) 1920 x 1200 @60Hz
Audio In YES - 1.2W*2Ch
Picture Mode Custom, Reader, Photo, Cinema, Color Weakness, Game
Reader Mode Yes
Flicker Safe Yes
Smart Energy Saving Yes
Color Calibrated Yes
Dual Controller Yes
Super Resolution+ Yes
Black Stabilizer Yes
Crosshair Yes
Dynamic Action Sync Yes
On Screen Control Yes
Color Weakness Yes


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Pricing Notes:

LG Display Products
27" LG UHD Monitor
27 inch LG Ultra HD 4K Monitor with Radeon FreeSync® Technology
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