| Revew | LG UltraFine 40U990A-W 40" 5K2K Nano IPS Black Curved MonitorThe LG UltraFine 40U990A-W is a 40-inch 21:9 curved (2500R) monitor with 5K2K (5120x2160) resolution, about 33% more pixels than a standard 4K UHD screen. The Nano IPS Black panel with 2000:1 contrast, 99% DCI-P3 coverage, VESA DisplayHDR 600 and factory color calibration suits video editing, graphic design and multi-window work. According to LG it is the first 5K2K monitor with Thunderbolt 5: a single cable carries video and data and charges a laptop at up to 96W. It also offers HDMI 2.1, DisplayPort 2.1, a 10Gbps USB-C and USB-A hub, a LAN port, a built-in KVM, 2 x 10W speakers and a height, tilt and swivel adjustable stand. 
Key features- 40-inch curved 5K2K - 5120x2160 at 21:9 with a 2500R curve and 139 PPI, giving a wide workspace that cuts down on switching between windows.
- Nano IPS Black - Typical 2000:1 contrast, 450 cd/m² brightness, 99% DCI-P3, DisplayHDR 600 and factory calibration, with hardware calibration support via LG Calibration Studio.
- Thunderbolt 5 - Thunderbolt 5 in and out for up to 80Gbps data, laptop charging up to 96W and daisy chaining a second display.
- Workstation connectivity - 2 x HDMI 2.1, DisplayPort 2.1 (UHBR 13.5), four USB-C and two USB-A ports at 10Gbps, an RJ-45 LAN port, a headphone jack and a built-in KVM.
- 120Hz and FreeSync Premium - A 120Hz refresh rate, 5ms GtG response and AMD FreeSync Premium for smooth motion in editing and games.
- Comfort and design - L-shaped stand with 130 mm height adjustment, -5° to 20° tilt and ±20° swivel, slim bezels on three sides, 2 x 10W speakers with Rich Bass and TÜV Rheinland Eye Comfort 3.0 certification.
Specifications| Manufacturer | LG | | Series | UltraFine | | Model | 40U990A-W | | Screen size | 39.7 inches (100.86 cm), 2500R curve | | Panel type | Nano IPS Black | | Resolution | 5120x2160 (5K2K), 21:9, 139 PPI | | Refresh rate | 120Hz | | Response time | 5ms GtG (Faster) | | Brightness | 450 cd/m² (typical) | | Contrast | 2000:1 (typical) | | Color gamut | DCI-P3 99% (CIE1976) | | HDR | VESA DisplayHDR 600, HDR10 | | Thunderbolt | Thunderbolt 5 in and out, up to 96W charging | | Video inputs | 2 x HDMI 2.1 (FRL), 1 x DisplayPort 2.1 (UHBR 13.5) | | USB | USB-C upstream, 4 x USB-C and 2 x USB-A downstream (10Gbps) | | Network and audio | RJ-45, 4-pole headphone jack, 2 x 10W speakers | | Ergonomics | 130 mm height, -5° to 20° tilt, ±20° swivel, VESA 100 x 100 | | Power | Built-in power supply, 100-240V, 45W typical | | Dimensions | 947.7 x 614.3 x 260 mm with stand, 947.7 x 419.8 x 106.3 mm without stand | | Weight | 14.1 kg with stand, 9.2 kg without stand |
In the box- LG 40U990A-W monitor
- Thunderbolt cable
- DisplayPort cable
- HDMI cable
- USB-C cable
- Power cable
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