Product Description
LG UltraFine 40U990A-W 40" Class 5K2K WUHD Curved Screen LCD Monitor - 21:9 - 40U990A-WOther Details
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Custom Field
Aspect Ratio 21:9
Built-in Devices KVM Switch
Built-in Devices USB Hub
Product Type LCD Monitor
Manufacturer Part Number 40U990A-W
Pixel Pitch 0.18150 mm x 0.18150 mm
Response Time 5 ms
Speakers Yes
Weight (Approximate) 20.28 lb
Brightness 450 Nit
Color Supported 1.06 Billion Colors
Features Flicker-free
Features HDR10
Features Smart Energy Saving
Features Picture by Picture
Features Picture in Picture
Features Super Resolution+
Features VESA DisplayHDR 600
Features Auto Input Switch
Features Color Weakness Mode
Features Hardware Calibration
Features Reading Mode
Features Black Stabilizer Technology
Features Dynamic Action Sync
Features Dual Controller
Features True Color Pro
Features Wide Color Gamut (sRGB)
Features Eye Comfort Technology
Features Low Blue Light
Features 3-sided Bezel Less
Manufacturer LG Electronics
Product Model 40U990A-W
Product Name UltraFine 40U990A-W Widescreen LCD Monitor
Mount Type Wall Mountable
Product Line UltraFine
Viewable Screen Size 39.7"
Maximum Resolution 5120 x 2160
Brand Name LG
Screen Mode 5K2K WUHD
Height 16.5"
Width 37.3"
Depth 4.2"
Number of Screens 1
Horizontal Viewing Angle 178°
Vertical Viewing Angle 178°
Standard Refresh Rate 120 Hz
Number of Speakers 2
USB Yes
HDMI Yes
Weight with Stand (Approximate) 31.09 lb
VESA Mount Compatible Yes
Native Contrast Ratio 2,000:1
Height with Stand 24.19"
Width with Stand 37.31"
Depth with Stand 10.24"
Network (RJ-45) Yes
Number of USB Ports 7
DisplayPort Yes
Thunderbolt Yes
Number of DisplayPorts 1
Panel Technology Nano In-plane Switching (Nano IPS) Black Technology
Curved Screen Yes
Total Number of HDMI Ports 2
Tearing Prevention Technology FreeSync Premium
USB Type-C Yes
Color Gamut 99% DCI-P3 (CIE 1976)
Color Gamut 95% DCI-P3 (CIE 1976)
Screen Size Class 40"
Stand Adjustments Swivel
Stand Adjustments Height
Stand Adjustments Tilt
Adjustable Stand Yes
Energy Efficiency Class (SDR) (from 1st March 2021) F
ON Mode Energy Consumption per 1000Hour (SDR) (from 1st March 2021) 40 kW
Energy Efficiency Class (HDR) (from 1st March 2021) G
ON Mode Energy Consumption per 1000Hour (HDR) (from 1st March 2021) 58 kW
Response Time Details 5 ms GTG (Fast)
Total Number of USB Type-C Ports 5
Number of HDMI 2.1 Ports 2
Bezel Design Frameless
Eye Comfort Certification Yes
Eye Comfort Rating 5 Star
Note Images may not be exact, please check specifications.
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