phone + 44 (0) 1442 800 304 email sales@acttron.com
We offer Fast UK shipping. Why trade with us
Search
Incl .VAT
Excl .VAT
main product photo
LG

LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black

SKU
40U990A-W.AEK
In Stock
40 Inch UltraFine 5K2K WUHD Nano IPS Black Monitor with Thunderbolt 5 PD 96W
Login for pricing

Secure fast payment on this purchase

Next Day (UK) Delivery offered on stock items

  • World’s first 5K2K monitor with ThunderboltTM 5 for pro-level performance
  • See sharper, work smarter—5K2K clarity for design, editing, and visual precision
  • A wide 5K2K display built for creative precision and focused workflows
  • Nano IPS Black and HDR 600 deliver deep blacks, vivid color, and contrast
  • From bold to subtle, up to 99% DCI-P3 ensures impeccable color in every project
  • 2000:1 contrast ratio delivers deeper blacks and remarkable visual depth
  • ThunderboltTM 5 powers fast, stable 5K2K production with 96W charging
  • Connect two monitors and a laptop with a clean, single-cable daisy chain setup
Audio
Built-in speaker(s)Yes
RMS rated power20 W
Performance
Built-in speaker(s)Yes
RMS rated power20 W
Built-in cameraNo
AMD FreeSync typeFreeSync Premium
AMD FreeSyncYes
NVIDIA G-SYNCNo
Brand specific technologiesBlack Stabilizer
Display
Display brightness (typical)450 cd/m²
Screen shapeCurved
Display number of colours1.06 billion colours
Native aspect ratio21:9
Pixel density139 ppi
Maximum refresh rate120 Hz
HD typeWUHD
Display technologyLCD
Viewing angle, horizontal178°
Viewing angle, vertical178°
Pixel pitch0.1815 x 0.1815 mm
Display resolution5120 x 2160 pixels
Display diagonal100.8 cm (39.7")
Contrast ratio (typical)2000:1
TouchscreenNo
High Dynamic Range (HDR) supportedYes
Panel typeNano IPS
DCI-P3 coverage99%
High Dynamic Range (HDR) technologyDisplayHDR 600, HDR Effect, High Dynamic Range 10 (HDR10)
Screen curvature rating2500R
Display diagonal (metric)101 cm
Colour gamut standardDCI-P3
Response time measurement typeGTG (Gray to Gray)
Management features
Picture-in-PictureYes
Multimedia
Number of speakers2
Built-in speaker(s)Yes
RMS rated power20 W
Built-in cameraNo
Design
Market positioningProfessional
Country of originChina
Product colourBlack
Camera
Built-in cameraNo
Ports & interfaces
Built-in USB hubNo
USB upstream port typeUSB Type-C
USB Type-C downstream ports quantity4
Headphone outYes
HDMI ports quantity2
DisplayPorts quantity1
HDMIYes
DisplayPort version2.1
Number of USB Type-C upstream ports quantity1
Ethernet LANYes
Technical details
Height (without stand)419.1 mm
Depth (without stand)106.7 mm
Width (without stand)947.4 mm
Cable lock slotNo
HDMIYes
Product colourBlack
Country of originChina
Weight (with stand)14.1 kg
TouchscreenNo
Network
Ethernet LANYes
Ergonomics
VESA mountingYes
Cable lock slotNo
Panel mounting interface100 x 100 mm
SwivellingYes
Picture-in-PictureYes
Height adjustmentYes
Tilt adjustmentYes
Picture-by-Picture (PbP)Yes
Power
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Power consumption (off)0.3 W
Energy efficiency scaleA to G
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours40 kWh
Energy consumption (HDR) per 1000 hours58 kWh
Weight & dimensions
Height (without stand)419.1 mm
Depth (without stand)106.7 mm
Width (without stand)947.4 mm
Width (with stand)947.4 mm
Depth (with stand)259.1 mm
Height (with stand)614.7 mm
Weight (with stand)14.1 kg
Weight (without stand)9.21 kg
Package width1206.5 mm
Package depth200.7 mm
Package height419.1 mm
Package weight17.8 kg
Packaging data
Package width1206.5 mm
Package depth200.7 mm
Package height419.1 mm
Package weight17.8 kg
Package typeBox
Cables includedDisplayPort, HDMI, Thunderbolt, USB Type-C
Packaging content
Cables includedDisplayPort, HDMI, Thunderbolt, USB Type-C
Features
Country of originChina
Other features
Country of originChina
Picture-by-Picture (PbP)Yes
DCI-P3 coverage99%
Brand specific technologiesBlack Stabilizer
Height (without stand)419.1 mm
Depth (without stand)106.7 mm
Width (without stand)947.4 mm
HDMIYes
Energy efficiency scaleA to G
Ethernet LANYes
TouchscreenNo
Package typeBox

You may also be interested in

Compare Products
Product LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black LG 40U990A-W computer monitor 100.8 cm... Login for pricing
DELL UltraSharp U4924DW LED display 124.5 cm (49") 5120 x 1440 pixels 5K Ultra HD LCD Black, Silver
Bestseller
 DELL UltraSharp U4924DW LED display 12... Login for pricing
DELL UltraSharp U4025QW computer monitor 101.6 cm (40") 5120 x 2160 pixels 5K Ultra HD LCD Silver
Hot Product
 DELL UltraSharp U4025QW computer monit... Login for pricing
BenQ PD3226G computer monitor 80 cm (31.5") 3840 x 2160 pixels 4K Ultra HD LED Black BenQ PD3226G computer monitor 80 cm (3... Login for pricing
Acer X Predator X49X curved ultra-wide QD-OLED gaming monitor - 49", 32:9, QD-OLED, 1800R curve, Double Quad HD, 240Hz, 0.03ms, AMD FreeSync Premium, DisplayHDR 400 True Black, HDMI, DP & USB-C
Recommended
 Acer X Predator X49X curved ultra-wide... Login for pricing
Philips 40B1U6903CH/00 computer monitor 100.8 cm (39.7") 5120 x 2160 pixels 5K Ultra HD LCD Black
Popular
 Philips 40B1U6903CH/00 computer monito... Login for pricing
SKU
40U990A-W.AEK
DELL-U4924DW
DELL-U4025QW
9H.LMVLA.TBE
UM.SXXEE.X02
40B1U6903CH/00
Manufacturer
LG
DELL
DELL
Benq
Acer
Philips
Display diagonal
30 to 50 inches
30 to 50 inches
30 to 50 inches
30 to 50 inches
30 to 50 inches
30 to 50 inches
Product colour
Black
N/A
Silver
Black
Black
Black
Touchscreen
N
N
N
N
N
N
Built-in camera
N
N
N
N
N
Y
Market positioning
Professional
Office
N/A
Professional
Gaming
N/A
Display technology
LCD
LCD
LCD
LED
OLED
LCD
Native aspect ratio
21:9
32:9
21:9
16:9
32:9
21:9
VESA mounting
Y
Y
Y
Y
Y
Y
NVIDIA G-SYNC
N
N
N/A
N
N/A
N
Built-in USB hub
N
Y
Y
Y
Y
Y
AMD FreeSync
Y
N
N
Y
Y
N