LG 40U990A Specifications
Display
| Variants (India) | 40-inch, 5K2K, 120 Hz |
|---|---|
| Screen size | 40 inches (101.6 cm) |
| Panel type | Nano IPS Black |
| Resolution | 5120 × 2160 pixels (5K2K) |
| Refresh rate | 120 Hz |
| Brightness | 450 nits (typical) |
| Contrast ratio | 2000:1 |
| Colour gamut | DCI-P3 99% (typical) |
| HDR support | VESA DisplayHDR 600 |
| Total pixels | 11.05 million (33% more than 4K UHD) |
Gaming Features
| Adaptive sync | AMD FreeSync Premium |
|---|
Eye Care
| Low blue light | Built-in low blue light technology (RGB hardware and software adjustment) |
|---|---|
| Eye-care certification | TÜV Rheinland Eye Comfort 3.0 (5-Star) |
| TÜV Rheinland certification ID (Eye Comfort) | 1111298743 |
Connectivity
| HDMI | HDMI 2.1 |
|---|---|
| DisplayPort | Yes (DisplayPort 2.1 needed for 5120 × 2160 at 120 Hz) |
| USB-C | Yes, Thunderbolt 5 (up to 80 Gbps) |
| Other | Thunderbolt 5 and DisplayPort 5K2K daisy chain support |
Audio
| Built-in speakers | 2 × 10 W |
|---|---|
| Other | Rich Bass |
Design & Ergonomics
| Stand adjustment | Swivel ±20°, tilt -5° to +20°, height 130 mm |
|---|---|
| Other | Virtually borderless 3-side design with L-stand |
Power
| Power Delivery | up to 96 W to a connected laptop over Thunderbolt 5 |
|---|
Smart & Other Features
| Other | LG Switch app (11 screen-split layouts, picture wizard) |
|---|
In the Box & Warranty
| Box contents | Monitor, DisplayPort cable, HDMI cable, USB-C cable, Thunderbolt cable, power cord |
|---|---|
| Other | Full features (96 W charging, 5120 × 2160 at 120 Hz) need a source with Thunderbolt 5 or DisplayPort 2.1; the Thunderbolt 5 cable in the box is required for the Thunderbolt 5 port |
| Windows | minimum Intel 12th Gen or later, Windows 11 or later |
| macOS | minimum Apple Silicon, macOS Sequoia (version 15) or later |
Also Read Consumer Arena Review
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