LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black
Brand LG
From
£1,261.48
Free delivery
You save £50.51 (4%)
5 offers at 5 retailers
Listed since 7 April 2026
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Description
Specifications
| Display diagonal | 100.8 cm (39.7") |
| Display resolution | 5120 x 2160 pixels |
| HD type | WUHD |
| Native aspect ratio | 21:9 |
| Display technology | LCD |
| Panel type | Nano IPS |
| LED backlight | Yes |
| Backlight type | Edge-Lit |
| Touchscreen | No |
| Display brightness (typical) | 450 cd/m² |
| Display brightness | 400 cd/m² |
| Display brightness (min) | 320 cd/m² |
| Response time measurement type | GTG (Gray to Gray) |
| Screen shape | Curved |
| Screen curvature rating | 2500R |
| Aspect ratio | 32:9 |
| Contrast ratio (typical) | 2000:1 |
| Maximum refresh rate | 120 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.06 billion colours |
| Response time (fast) | 5 ms |
| Pixel pitch | 0.1815 x 0.1815 mm |
| Pixel density | 139 ppi |
| Display diagonal (metric) | 101 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | DisplayHDR 600, HDR Effect, High Dynamic Range 10 (HDR10) |
| Colour gamut standard | DCI-P3 |
| Colour gamut | 99% |
| 3D | No |
| DCI-P3 coverage | 99% |
| NVIDIA G-SYNC | No |
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync Premium |
| Number of speakers | 2 |
| RMS rated power | 20 W |
| Built-in speaker(s) | Yes |
| Built-in microphone | No |
| Multiroom | No |
| Built-in camera | No |
| Adaptive Sound Pro | No |
| Audio Return Channel (ARC) | No |
| Market positioning | Professional |
| Product colour | Black |
| Refurbished | No |
| USB required | No |
| Built-in USB hub | No |
| USB upstream port type | USB Type-C |
| Number of USB Type-C upstream ports quantity | 1 |
| USB Type-C downstream ports quantity | 4 |
| HDMI | Yes |
| HDMI ports quantity | 2 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 2.1 |
| Headphone out | Yes |
| Built-in KVM switch | Yes |
| HDCP | Yes |
| HDCP version | 2.2 |
| Charging port type | USB Type-C |
| Bluetooth | No |
| Ethernet LAN | Yes |
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Wall mountable | Yes |
| Cable lock slot | No |
| Height adjustment | Yes |
| Swivelling | Yes |
| Tilt adjustment | Yes |
| Picture-in-Picture | Yes |
| On Screen Display (OSD) | No |
| Plug and Play | Yes |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 45 kWh |
| Energy consumption (HDR) per 1000 hours | 58 kWh |
| Power consumption (typical) | 40 W |
| Power consumption (standby) | 1.2 W |
| Power consumption (off) | 0.3 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Width (with stand) | 947.4 mm |
| Depth (with stand) | 259.1 mm |
| Height (with stand) | 614.7 mm |
| Weight (with stand) | 14.1 kg |
| Width (without stand) | 947.4 mm |
| Depth (without stand) | 106.7 mm |
| Height (without stand) | 419.1 mm |
| Weight (without stand) | 9.21 kg |
| Package width | 1206.5 mm |
| Package depth | 200.7 mm |
| Package height | 419.1 mm |
| Package weight | 17.8 kg |
| Package type | Box |
| Stand included | Yes |
| Swivel arm | No |
| Cables included | DisplayPort, HDMI, Thunderbolt, USB Type-C |
| Power adapter included | Yes |
| Remote control included | No |
| Quick start guide | Yes |
| Manual | Yes |
| Installation CD | No |
| Remote control batteries included | No |
| Country of origin | China |
| Brand specific technologies | Black Stabilizer |
| Low input lag | No |
| FPS counter | No |
| Picture-by-Picture (PbP) | Yes |
| Supplied AC adapter type | 144, - |
Full specifications
| Marque | LG |
| Référence fabricant | 40u990awaek |
| EAN | 8806096511282 |
LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black in 2026: still the right choice?
When it comes to Informatique, the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black by LG is a reference that savvy buyers know well. Its value for money in 2026 deserves particular attention, especially given its availability across many retailers and the brand's strength in the market. Our comparison tool lets you view all available offers in real time, with or without free delivery, and click directly on the offer of your choice.
Buy the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black now or wait?
With the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black, LG delivers a quality level consistent with its market positioning. This product suits both newcomers and regular users of the Informatique category. Its quick setup and reliable performance make it a recommended choice for anyone looking to invest in durable equipment without facing technical complications in the first weeks of use.
Value for money analysed in 2026
At £1,261.48, the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black offers value for money consistent with its positioning in the Informatique category. LG maintains a consistent quality level across this range, justifying the investment at this price. Compare with other available offers on our comparison tool to ensure you get the best rate at the time of purchase. The LG 27GS60F-B computer monitor 68.6 cm (27") 1920 x 1080 pixels Full HD Black from the same range may also interest you for comparison.
Serious alternatives to consider
If the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black does not exactly match your expectations, the Informatique category offers other options to explore. Our comparison tool lists all available products with their prices in real time. Filter by budget, brand or availability to find the most suitable alternative for your situation. The LG 27U421A-B computer monitor 68.6 cm (27") 1920 x 1080 pixels Full HD LED Black is another reference from the same brand to consider.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 384300 £ |
| Mid-range | 384300 £ to 896710 £ |
| High-end | Over 896710 £ |
The LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black is available from several trusted retailers. Always check stock availability and delivery times before finalising your order to avoid any unpleasant surprises. On Compiral, offers showing "In stock" can be delivered quickly, often within 2 to 5 working days depending on the retailer and your delivery address.
Frequently asked questions about LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black
Is delivery free for the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black at all retailers?
Free delivery is not guaranteed for the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.
How do I return the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black if I am not satisfied?
You have a 14-day right of withdrawal for any online purchase, applicable to the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.
Is the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black worth its price in 2026?
In 2026, the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black is listed from £1,261.48 at our partner retailers. This price is consistent with the positioning of LG in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
What warranty does the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black come with?
The LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from LG, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.
Is the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black in stock?
Stock availability for the LG 40U990A-W computer monitor 100.8 cm (39.7") 5120 x 2160 pixels WUHD LCD Black is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.
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