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

World’s first 5K2K monitor with Thunderbolt™ 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 Thunderbolt™ 5 powers fast, stable 5K2K production with 96W charging Connect two monitors and a laptop with a clean, single-cable daisy chain setup The World’s First 5K2K Monitor with Thunderbolt™ 5The LG UltraFine™ 40U990A is the world’s first 5K2K widescreen monitor with Thunderbolt™ 5, delivering ultra-fast data transfer, 96W charging, and dual display support. The monitor's 40” curved (2500R), Nano IPS Black panel offers brilliant color, and spectacular contrast - a new go-to display for creators, multritaskers and gamers.5K2K Means More Pixels for More Creative ControlThe 5K2K (5120x2160) Nano IPS Black display offers 33% more pixels than standard 4K UHD, delivering ultra-wide resolution, vivid color, and razor-sharp detail—creating a spacious, precise workspace ideal for video editing, graphic design, photography, and color-critical tasks.Built for creators. Ready for professionals. Built for creative flow, the UltraFine™ 5K2K screen makes it easy to work across complex timelines, layered interfaces, and multiple windows—ideal for editing, producing, and programming.VESA DisplayHDR™ 600 Meets Nano IPS Black BrillianceVESA DisplayHDR™ 600 and Nano IPS Black combine to deliver deep blacks, vivid highlights, and cinematic color—ideal for creators who need precision in light, shadow, and texture.Up to 99% DCI-P3 Color Brilliance for Visual ProsWith up to 99% DCI-P3 color gamut coverage, this UltraFine™ display delivers bold, vibrant color across a wide spectrum—ideal for impactful video, photo, and design work in print, digital, and broadcast formats.2000:1 Contrast for Stunning Visual DepthNano IPS Black enhances contrast to 2000:1, revealing richer shadows, deeper blacks, and sharper detail—perfect for bold color, improved depth, and edge-to-edge consistency.5K2K Production Powered by Thunderbolt™ 5Thunderbolt™ 5 supports commercial-level video, film, and game production with faster data transfer, 96W charging, and seamless 5K2K output—all through a single, stable, high-speed cable.Daisy Chain Enhances Multitasking EfficiencyDaisy chain two monitors and a laptop via Thunderbolt™ 5 and DisplayPort—simplifying your workspace while expanding screen space for multitasking, content creation, or focused productivityVersatile Ports for Limitless PossibilitiesThunderbolt™ 5, HDMI 2.1 (x2), DisplayPort 2.1 (UHBR 13.5) and USB-C let you connect laptops, cameras, and drives—no adapters needed. Enjoy stable, streamlined performance across creative, gaming, or professional workflows.Dual Speakers. Deep, Immersive Sound.Let the action surround you with dual speakers and Rich Bass—delivering deeper, fuller sound that enhances cinematic scenes.FreeSync™ Premium Smooths Every FrameFreeSync™ Premium keeps motion smooth and responsive, reducing screen tearing and stutter while mixing audio, gaming, or reviewing high-resolution video.Personalized Your Display with Switch AppEasily customize image settings, split your screen into 11 layouts, and launch video calls instantly with the LG Switch App—streamlining your setup for productivity and entertainment.Designed for Comfort and FocusThe narrow bezeled, 3-sided virtually borderless design and compact L-stand save space and reduce distractions, while tilt, height, and swivel adjustments support comfort and focus during long creative sessions. Display DCI-P3 coverage 99% 3D No Colour gamut 99% Colour gamut standard DCI-P3 High Dynamic Range (HDR) technology DisplayHDR 600, HDR Effect, High Dynamic Range 10 (HDR10) High Dynamic Range (HDR) supported Yes Display diagonal (metric) 101 cm Pixel density 139 ppi Pixel pitch 0.1815 x 0.1815 mm Response time (fast) 5 ms Display number of colours 1.06 billion colours Viewing angle, vertical 178° Viewing angle, horizontal 178° Maximum refresh rate 120 Hz Contrast ratio (typical) 2000:1 Aspect ratio 32:9 Screen curvature rating 2500R Screen shape Curved Response time measurement type GTG (Gray to Gray) Display brightness (min) 320 cd/m² Display brightness 400 cd/m² Display brightness (typical) 450 cd/m² Backlight type Edge-Lit LED backlight Yes Panel type Nano IPS HD type WUHD Touchscreen No Display technology LCD Native aspect ratio 21:9 Display resolution 5120 x 2160 pixels Display diagonal 100.8 cm (39.7") Performance AMD FreeSync type FreeSync Premium AMD FreeSync Yes NVIDIA G-SYNC No Multimedia Audio Return Channel (ARC) No Adaptive Sound Pro No Multiroom No Built-in microphone No Built-in camera No RMS rated power 20 W Number of speakers 2 Built-in speaker(s) Yes Design Refurbished No Product colour Black Market positioning Professional Ports & interfaces Charging port type USB Type-C HDCP version 2.2 HDCP Yes Built-in KVM switch Yes Headphone out Yes DisplayPort version 2.1 DisplayPorts quantity 1 HDMI version 2.1 HDMI ports quantity 2 HDMI Yes USB Type-C downstream ports quantity 4 Number of USB Type-C upstream ports quantity 1 USB upstream port type USB Type-C USB required No Built-in USB hub No Network Ethernet LAN Yes Bluetooth No Ergonomics Plug and Play Yes On Screen Display (OSD) No Picture-in-Picture Yes Tilt adjustment Yes Swivelling Yes Height adjustment Yes Cable lock slot No Wall mountable Yes Panel mounting interface 100 x 100 mm VESA mounting Yes Power Energy efficiency scale A to G Power supply type Internal AC input frequency 50/60 Hz AC input voltage 100 - 240 V Power consumption (off) 0.3 W Power consumption (standby) 1.2 W Power consumption (typical) 40 W Energy consumption (HDR) per 1000 hours 58 kWh Energy consumption (SDR) per 1000 hours 45 kWh Energy efficiency class (HDR) G Energy efficiency class (SDR) F Weight & dimensions Weight (without stand) 9.21 kg Height (without stand) 419.1 mm Depth (without stand) 106.7 mm Width (without stand) 947.4 mm Weight (with stand) 14.1 kg Height (with stand) 614.7 mm Depth (with stand) 259.1 mm Width (with stand) 947.4 mm Packaging data Package type Box Package weight 17.8 kg Package height 419.1 mm Package depth 200.7 mm Package width 1206.5 mm Packaging content Installation CD No Manual Yes Quick start guide Yes Remote control batteries included No Remote control included No Power adapter included Yes Cables included DisplayPort, HDMI, Thunderbolt, USB Type-C Swivel arm No Stand included Yes Other features Supplied AC adapter type 144, - Picture-by-Picture (PbP) Yes FPS counter No Low input lag No Brand specific technologies Black Stabilizer Country of origin China EU Energy Label