LG 27UK850-W 27" Class 4K UHD IPS LED Monitor

QuickFind: 828301 Mfr part code: 27UK850-W
  • 3840x2160 QHD
  • DVI, HDMI & Displayport
  • 60Hz / 5ms Response Time
  • Panel Type: IPS
  • AMD FreeSync Technology

Product Description

LG 27UK850-W 27" Class 4K UHD IPS LED Monitor



HDR 10  

To more fully realize content creators' vision, this monitor is compatible with industry-standard HDR10 high dynamic range, supporting specific levels of color and brightness that exceed the capabilities of ordinary monitors.


HDR Effect

The HDR Effect helps transform non-HDR content into high quality video that looks like HDR through its picture quality algorithm.


IPS with sRGB 99%(Typ.)

This monitor, with 99% coverage of the sRGB spectrum, is a great solution for photographers, graphic designers or anyone looking for highly accurate color.


HDCP 2.2 Compatible

Connect with confidence: This LG 4K monitor is compatible with the latest HDCP 2.2 copy protection, so it will display video from 4K streaming services, game consoles and Ultra HD Blu-ray disc players.


Virtually Borderless Design

The ultra-thin bezel on three sides of this streamlined display offers a virtually borderless visual experience, without distraction from the precise, gorgeous image. A sleek addition to any desktop.


USB Type-C

Offering a new generation of convenience, USB Type-C ports allow 4K video display, data transfer and laptop/mobile device charging, all at the same time over a single cable. Reduce cord clutter and increase efficiency with USB Type-C.


Advanced Gaming Features

Serious gaming features for serious gamers. Quickly optimize monitor settings to activate Black Stabilizer to reveal superior detail in dark scenes while the Dynamic Action Sync feature assures smooth, fluid gaming action.


On-Screen Control

On-Screen Control puts a host of essential monitor settings into a handy window for quick, easy access. Volume, brightness, picture mode presets, Screen Split 2.0 and Dual Controller and more can now be adjusted with just a few clicks of the mouse, instead of hard buttons on the monitor.


Ergonomic Stand

The sleek design of LG premium monitors is accentuated by the ArcLine stand. The smooth curve of the base provides stability, assuring dependable performance with a touch of elegance.



Technical Specifications




Size (Inch) 27

Panel Type IPS

Color Gamut (CIE1931) sRGB 99% (Typ)

Color Depth(Number of Colors) 10bit(8bit + A-FRC)

Pixel Pitch(mm) 0.1554 x 0.1554

Aspect Ratio 16:9

Resolution 3840 x 2160

Brightness(Typ.) Peak 450nits, Typical 350nits, Min


Contrast Ratio(Original) 1000:1 (Typ)

(DFC) Mega, On/Off

(GTG) 5ms (High)

Viewing Angle(CR≥10) 178/178 (CR≥10) (Typ)

Surface Treatment(Glare/non Glare) Anti-Glare 3H



Type Adapter (140W)

Input 100~240V (50/60Hz)

Output(for Speaker) -

Normal On(EPA Typ.) 32W

Normal On(factory out condition Typ.) 50W

Power Save/Sleep Mode(Max) 0.5W

DC Off(Max) 0.3W



D-Sub -


HDMI Yes x2 (ver 2.0), (HDR support)

DisplayPort Yes x1 (ver 1.2), (HDR support)

Mini DisplayPort -

Thunderbolt -

USB type-C Yes x1 (ver 3.1 - Gen1) PD 60W

/ DP Alternate Mode / Data

Others -

[ Jack Location ] Rear



Type MAXX Audio

Audio output 5W x 2



Analog H-Frequency -

Analog V-Frequency -

LAN H-Frequency -

LAN V-Frequency -

HDMI H-Frequency 30 ~ 135kHz

HDMI V-Frequency 56 ~ 61Hz

Display port H-Frequency 30 ~ 135kHz

Display port V-Frequency 56 ~ 61Hz

Free Sync V-Frequency Basic : 48~60Hz / Extended :

40~60Hz (HDMI / DP)

USB-C H-Frequency 30 ~ 135kHz

USB-C V-Frequency 56 ~ 61Hz



USB_Up -

USB_Down 2 downstream (No Service Only Port,

ver 3.1 gen1)




Photo effect -

Quad Mode -

Sound -

sRGB Yes

AdobeRGB -

Deep Color(xvYCC) -

ITU Color Standard -

SMPT Color Standard -


HDCP HDMI & DP & USB-C , Yes (2.2)

Intelligent Auto (Auto Resolution) -

Remote Control -


Dual Controller Yes



Front Black Texture

B/Cover White Texture

Stand Silver Spray

Base Diecasting Silver Spray



Base Detchable Yes

Tilt(Angle) -5º ~ 20º

Swivel(Angle) No

Height(mm) 110mm

Pivot Yes



TCO6.0 -

UL(cUL) Yes


TUV-Type Yes



Power Cord Yes (White)

External Calibrator ACB8300 -

D-Sub -


DP to DP Yes (White)

mDP to DP -

USB Type-C to Type-C -



Set (with Stand) W613.1 X D234.2 X H559.5

Set (without Stand) W613.1 X D44.6 X H364.4

Box W690 X D208 X H492

Wall Mount (mm) 100 x 100



Set (with Stand) 6.1

Set (without Stand) 4.8

Box 9.0

Technical Specification

LG 27UK850-W 27" Class 4K UHD IPS LED Monitor


Flat Panel Mount Interface 100 x 100 mm
Display Position Adjustments Height, pivot (rotation), tilt
Tilt Angle - 5/+20
Rotation Angle 90
Height Adjustment 110 mm
VESA Mounting Interface 100 x 100 mm


Display Type LED-backlit LCD monitor / TFT active matrix
Energy Class Class B
Energy Consumption per Year 60 kWh
Power Consumption (On mode) 41 W
Diagonal Size 27"
Adaptive-Sync Technology AMD FreeSync
Panel Type AH-IPS
Aspect Ratio 16:9
Native Resolution 4K 3840 x 2160 (DisplayPort: 60 Hz, HDMI: 60 Hz)
Pixel Pitch 0.1557 mm
Brightness 350 cd/m²
Contrast Ratio 1000:1
Colour Support 1.073 billion colours (8-bit)
Response Time 5 ms (grey-to-grey)
Vertical Refresh Rate 56 - 61 Hz
Horizontal Refresh Rate 30 - 135 kHz
Horizontal Viewing Angle 178
Vertical Viewing Angle 178
Screen Coating Anti-glare, 3H Hard Coating
Backlight Technology WLED
Features Frame Rate Control (FRC), game mode, Mega Contrast, 99% sRGB colour gamut, 4-screen split, Flicker Safe, Reader Mode, Mercury free, Factory Calibration, MaxxAudio, Smart Energy Saving technology, Dual Controller, Black Stabilizer, DAS Mode (Dynamic Action Sync), Hardware Calibration Ready, One Click Stand
Colour Silver front bezel, white back cabinet
Dimensions (WxDxH) 61.31 cm x 23.42 cm x 55.96 cm - with stand
Weight 6.1 kg


Type Speakers - stereo
Output Power / Channel 5 Watt


Interfaces 2 x HDMI ¦ DisplayPort ¦ USB-C ¦ 2 x USB 3.0 downstream ¦ Headphones


Features Security lock slot (cable lock sold separately)
Included Accessories Cable holder
Cables Included HDMI cable ¦ DisplayPort cable - 1.8 m ¦ USB-C cable - 1.5 m
Compliant Standards FCC Class B certified, UL, TUV, C-Tick, cUL, SEMKO, EN 61000-3-3, EN55024, VESA FDMI, CB, Directive 2004/108/CE, Directive 2006/95/EC, EN 61000-3-2:2006, EN 60950-1:2006, EN55022:2006 Class B, DisplayPort 1.2


Voltage Required AC 120/230 V (50 - 60 Hz)
Power Consumption Operational 50 Watt
Power Consumption Stand by 0.5 Watt
Power Consumption (Off Mode) 0.3 Watt

Software / System Requirements

Included Software Dual Controller Software
OS Required Microsoft Windows 7 / 8 (32/64 bits), Apple MacOS X 10.10 or later

Dimensions & Weight

Dimensions & Weight Details With stand - width: 61.31 cm - depth: 23.42 cm - height: 55.96 cm - weight: 6.1 kg ¦ Without stand - width: 61.31 cm - depth: 4.46 cm - height: 36.44 cm - weight: 4.8 kg

Dimensions & Weight (Shipping)

Shipping Width 69 cm
Shipping Depth 20.9 cm
Shipping Height 49.2 cm
Shipping Weight 9 kg

Environmental Standards

ENERGY STAR Certified Yes

Manufacturer Warranty

Service & Support Limited warranty - 2 years - pick-up and return

Product Reviews

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LG 27UK850-W 27" Class 4K UHD IPS LED Monitor

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LG 27UK850-W 27" Class 4K UHD IPS LED Monitor

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Add-ons and Accessories


Xenta Single Monitor Mount

£33.98 inc. vat
£39.98save £6.00
£28.31 ex. vat
£33.31save £5.00

Xenta Full Motion Dual Monitor Mount for 13-27inch | Gas Assisted Double Arm Desk Bracket with Clamp

£34.98 inc. vat
£39.99save £5.01
£29.15 ex. vat
£33.32save £4.17


Xenta Monitor 2.0ch BlueTooth Soundbar

£9.99 inc. vat
£19.98save £9.99
£8.32 ex. vat
£16.65save £8.33

HDMI Cables

Xenta HDMI 1M 4K High Speed Black Cable

£2.49 inc. vat
£2.07 ex. vat

Xenta HDMI 2M 4k High Speed Black Cable

£3.48 inc. vat
£2.90 ex. vat

Xenta HDMI 3M 4K High Speed Black Cable

£3.98 inc. vat
£3.31 ex. vat

Xenta HDMI 5M 4K High Speed Black Cable

£3.98 inc. vat
£4.50save £0.52
£3.31 ex. vat
£3.75save £0.44

Xenta Flat 4k 2 Metre HDMI Cable - Blue Braided

£2.99 inc. vat
£3.98save £0.99
£2.49 ex. vat
£3.31save £0.82

Xenta Flat 4K 3 Metre HDMI Cable - Blue Braided

£3.98 inc. vat
£4.98save £1.00
£3.31 ex. vat
£4.15save £0.84

Xenta HDMI 1.5M 4k High Speed Black Cable

£2.99 inc. vat
£2.49 ex. vat