LG 27UL550 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Silver
Product Technical Specification
Display | |
Display diagonal | 27 |
Display brightness (typical) | 300 |
Display resolution | 3840 x 2160 |
Native aspect ratio | 16:9 |
Response time | 5 |
HD type | 4K Ultra HD |
Display technology | LED |
Backlight type | W-LED |
Display surface | Matt |
Screen shape | Flat screen |
Contrast ratio (typical) | 1000:1 |
Maximum refresh rate | 60 |
Viewing angle, horizontal | 178 |
Viewing angle, vertical | 178 |
Display number of colours | 1.073 billion colours |
3D | No |
Panel type | IPS |
Pixel pitch | 0.1554 x 0.1554 |
Digital horizontal frequency | 30 - 135 |
Digital vertical frequency | 56 - 61 |
High Dynamic Range (HDR) supported | Yes |
DDC/CI | Yes |
Factory-calibrated | Yes |
RGB colour space | sRGB |
sRGB coverage (typical) | 98 |
Performance | |
AMD FreeSync | Yes |
VESA Adaptive Sync support | Yes |
Flicker-free technology | Yes |
Design | |
Market positioning | Gaming |
Product colour | Silver |
Ports & interfaces | |
HDMI ports quantity | 2 |
DisplayPorts quantity | 1 |
DisplayPort version | 1.4 |
Headphone out | Yes |
Headphone outputs | 1 |
HDCP | Yes |
Ergonomics | |
Panel mounting interface | 100 x 100 |
VESA mounting | Yes |
Height adjustment | Yes |
Pivot | Yes |
Tiltable | Yes |
Power | |
Energy efficiency class (SDR) | G |
Energy efficiency class (HDR) | G |
Energy consumption (SDR) per 1000 hours | 32 |
Energy consumption (HDR) per 1000 hours | 38 |
Power consumption (standby) | 0.5 |
Power consumption (off) | 0.3 |
AC input voltage | 100 - 240 |
AC input frequency | 50 - 60 |
Energy efficiency scale | A to G |
Weight & dimensions | |
Width (with stand) | 622.6 |
Depth (with stand) | 230 |
Height (with stand) | 572.2 |
Weight (with stand) | 6000 |
Width (without stand) | 622.6 |
Depth (without stand) | 45.8 |
Height (without stand) | 371 |
Weight (without stand) | 4400 |
Packaging data | |
Cables included | DisplayPort,HDMI |
Package width | 704 |
Package depth | 192 |
Package height | 518 |
Package weight | 8600 |
Other features | |
sRGB coverage (min) | 95 |
Delivery Options

Economy Delivery (UK)

Fast & Tracked by Courier (UK)
HDR 10
Meet the UHD 4K HDR Monitor
This monitor is compatible with HDR10 to represent details in bright and dark parts of high dynamic range contents.
IPS with sRGB 98% (Typ.)
True Colour and Wider View
LG IPS display has extraordinary colour accuracy, covering 98 of the sRGB colour spectrum. It also has a wider viewing angle, so it's even easier to enjoy true colour visuals.
Colour Calibrated
It is Colour Calibrated to help maintain accurate colour on the screen and prevent gradual changes, so it preserves the original intend colour.
RADEON FreeSync
Clearer, Smoother Image
Radeon FreeSync reduces the tearing and stuttering that occur between a graphic card's frame rate and a monitor's refresh rate enabling smoother motion and less stuttering in demanding games.
Customized Modes for Any Game
Users can choose FPS or RTS mode, and customize. The settings can be adjusted and optimized for any type of game.
Dynamic Action Sync
Minimize input lag with Dynamic Action Sync so gamers can catch every single moment in real-time.
Black Stabilizer
LG's Black Stabilizer helps make dark scenes bright so it's easier to find the competition.
OnScreen Control
Easier User Interface
OnScreen Control is simple and intuitive. You can customize your display options with a few simple clicks.
Ergonomic Stand
Versatile Elegance
The curved base enhances stability for dependable performance. The base can be adjusted to change the tilt, height and angle of the monitor for comfortable viewing experience. Also, this monitor can be hung on the wall.
Display | |
Display diagonal | 27 |
Display brightness (typical) | 300 |
Display resolution | 3840 x 2160 |
Native aspect ratio | 16:9 |
Response time | 5 |
HD type | 4K Ultra HD |
Display technology | LED |
Backlight type | W-LED |
Display surface | Matt |
Screen shape | Flat screen |
Contrast ratio (typical) | 1000:1 |
Maximum refresh rate | 60 |
Viewing angle, horizontal | 178 |
Viewing angle, vertical | 178 |
Display number of colours | 1.073 billion colours |
3D | No |
Panel type | IPS |
Pixel pitch | 0.1554 x 0.1554 |
Digital horizontal frequency | 30 - 135 |
Digital vertical frequency | 56 - 61 |
High Dynamic Range (HDR) supported | Yes |
DDC/CI | Yes |
Factory-calibrated | Yes |
RGB colour space | sRGB |
sRGB coverage (typical) | 98 |
Performance | |
AMD FreeSync | Yes |
VESA Adaptive Sync support | Yes |
Flicker-free technology | Yes |
Design | |
Market positioning | Gaming |
Product colour | Silver |
Ports & interfaces | |
HDMI ports quantity | 2 |
DisplayPorts quantity | 1 |
DisplayPort version | 1.4 |
Headphone out | Yes |
Headphone outputs | 1 |
HDCP | Yes |
Ergonomics | |
Panel mounting interface | 100 x 100 |
VESA mounting | Yes |
Height adjustment | Yes |
Pivot | Yes |
Tiltable | Yes |
Power | |
Energy efficiency class (SDR) | G |
Energy efficiency class (HDR) | G |
Energy consumption (SDR) per 1000 hours | 32 |
Energy consumption (HDR) per 1000 hours | 38 |
Power consumption (standby) | 0.5 |
Power consumption (off) | 0.3 |
AC input voltage | 100 - 240 |
AC input frequency | 50 - 60 |
Energy efficiency scale | A to G |
Weight & dimensions | |
Width (with stand) | 622.6 |
Depth (with stand) | 230 |
Height (with stand) | 572.2 |
Weight (with stand) | 6000 |
Width (without stand) | 622.6 |
Depth (without stand) | 45.8 |
Height (without stand) | 371 |
Weight (without stand) | 4400 |
Packaging data | |
Cables included | DisplayPort,HDMI |
Package width | 704 |
Package depth | 192 |
Package height | 518 |
Package weight | 8600 |
Other features | |
sRGB coverage (min) | 95 |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a very flexible and hassle free returns policy. If
for whatever reason you are not happy with the item purchased you can return
it to us within 12months for a refund (for unused and unopened
items) or within 30 days on opened and used items for a refund. This
applies to items purchased direct through Buykingston only.
Our 30 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items opened and used and that are returned in a resellable
condition.
Our 365 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items that remain sealed and unused.
Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;
- Headphones
- Earphones
- Custom made and designed products such as flash memory products with
custom logo’s on them. E,g USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on
non tracked items.
On unopened items 365 days.
How do i go about returning my order?
Please contact us via our contact page with
your order number where we will present you with an RMA number and returns
label.
Do i need to contact you before returning my order?
Yes, to obtain an RMA number.
Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365
day returns. Of course for faulty items we realise you may no longer have
the packaging.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
direct for assistance.
Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.