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27BA45U component-copyModelName
27'' UltraFine UHD 4K IPS monitor

Key Features

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27" UltraFine UHD 4K IPS monitor
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LG UltraFine™ Display. LG UltraFine™ Display.

Details mastered

Experience stunning visual clarity and vibrant colors with the LG UltraFine display. Our monitor supports UHD 4K resolution, 90% DCI-P3, over 300nits (Typ.) of brightness, and a 3-side borderless design, making it ideal for various professional settings.
On the desk, there is an ultrafine monitor displaying Photoshop work. Next to the monitor, there is a desk lamp, a mouse, paper, and colored pencils. On the desk, there is an ultrafine monitor displaying Photoshop work. Next to the monitor, there is a desk lamp, a mouse, paper, and colored pencils.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*The keyboard and mouse are not included in the package.

  • Display

    27” UHD 4K (3840x2160)
    IPS (178° Wide view)
    HDR10 / DCI-P3 90% (Typ.)

  • Usability

    HDMI & DisplayPort
    LG Switch app

  • Comfort & Trust

    Ergonomic stand
    Flicker Safe & Reader Mode
    EPEAT & Energy Star

On the left is an FHD image, and on the right is a 4K UHD image. On the left is an FHD image, and on the right is a 4K UHD image.
UHD 4K

Clarity with
8.29 million pixels

Enjoy vivid and accurate color expression with the UHD (3840x2160) 4K IPS display, and enhance work productivity with wide-angle viewing.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
HDR 10 with DCI-P3 90%

See amazing colors

Our monitor supports the industry-standard HDR10 (High Dynamic Range) and a DCI-P3 90% wide color gamut, delivering precise levels of color and brightness for a truly immersive viewing experience.
The screen contains various colors representing UHD 4K, and in the bottom left corner, there is a logo indicating HDR and DCI-P3 90%. The screen contains various colors representing UHD 4K, and in the bottom left corner, there is a logo indicating HDR and DCI-P3 90%.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Brightness: 300nits (Typ.), Color Gamut: DCI-P3 90% (Typ.).
Multi ports

A variety of interface

Our monitor's HDMI and DisplayPort compatibility helps you easily connect various devices for an efficient desk setup.
An image of a laptop and monitor connected with a single USB-C cable. An image of a laptop and monitor connected with a single USB-C cable.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*HDMI and DisplayPort compatibility is based on various internal device tests by LG.
*HDMI and DisplayPort cables are included in the package, but the included cables may vary depending on product specifications or sales region.
Ergonomic design

Easy and comfy

The 3-side thin bezel design with a slim stand seamlessly blends into your workspace, offering an ideal working experience with convenient tilt, height, swivel, and pivot adjustments.

Borderless Design icon. Borderless Design 3-side borderless

Tilt / Height adjustable icon. Tilt / Height -5~21° / 150mm

Swivel adjustable icon. Swivel ±45°

Pivot adjustable icon. Pivot

Ergonomic design with features of tilt, pivot and height adjustment. Ergonomic design with features of tilt, pivot and height adjustment.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
LG Switch app helps optimize the monitor for an efficient work environment, such as dividing the display into six areas, managing schedules, or easily launching the video calling platform using mapped shortcut keys.
LG Switch app

Switch swiftly

LG Switch app helps to optimize the monitor for an efficient work environment. You can divide the display into six areas, manage the schedules, or launch a video call platform with a mapped hotkey effortlessly.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*To download the latest LG Switch app, please visit LG.COM.

Visual comfort

  • Comparison image of the right side with flicker safe applied and the left side without flicker safe applied.

    Flicker Safe

    Flicker Safe reduces invisible flickering on the screen, which helps reduce eye strain.

  • Comparison image of the right side with reader mode applied and the left side without reader mode applied.

    Reader Mode

    Reader Mode adjusts color temperature and luminance that helps to lessen eye fatigue and provide eye comfort while reading documents on a monitor.

*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Above feature may vary depending on real use conditions that the user is using.
Finger heart logo. Finger heart logo.

Better life for All

27BA45U complies with multiple standards such as Energy Star and EPEAT.
ENERGY STAR logo.

ENERGY STAR certified

EPEAT® logo.

EPEAT® registered

*For more details of these certifications, visit ENERGY STAR and EPEAT's website
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Display
  • Size [Inch]
    27
    Size [cm]
    68.4 cm
  • Resolution
    3840 x 2160
    Panel Type
    IPS
  • Local Dimming Zone
    N/A
    Aspect Ratio
    16:9
  • Pixel Pitch [mm]
    0.1554(H) * 0.1554(V)
    Brightness (Min.) [cd/m²]
    240
  • Brightness (Typ.) [cd/m²]
    300
    Peak Brightness (Min.) [cd/m²]
    N/A
  • Peak Brightness (Typ.) [cd/m²]
    N/A
    Color Gamut (Min.)
    DCI-P3 86% (CIE1976)
  • Color Gamut (Typ.)
    DCI-P3 90% (CIE1976)
    Color Depth (Number of Colors)
    1.07B
  • Color Bit
    10bit (8bit+FRC)
    Contrast Ratio (Min.)
    700:1
  • Contrast Ratio (Typ.)
    1000:1
    Response Time
    5ms (GtG at Faster)
  • Refresh Rate (Max.) [Hz]
    60
    Viewing Angle (CR≥10)
    178º(R/L), 178º(U/D)
  • Surface Treatment
    Anti-Glare
Features
  • HDR 10
    YES
    HDR Effect
    YES
  • Flicker safe
    YES 
    Picture Mode
    (SDR) Custom, Vivid, HDR Effect, Reader, Cinema, sRGB, FPS, RTS, Color Weakness / (HDR) Custom, Vivid, Cinema, FPS, RTS
  • Reader Mode
    YES
    Color Weakness
    YES
  • Super Resolution+
    YES
    Black Stabilizer
    YES
  • Dynamic Action Sync
    YES
    Smart Energy Saving
    YES
  • OSD Language
    17 countries (English, Germanic, French, Spanish, Italian, Swedish, Finnish, Portuguese, Portuguese(brazil), Polish, Russian, Turkish, Ukrainian, Chinese, Traditional Chinese, Japanese, Korean)
SW Application
  • LG Switch
    YES
    Dual Controller
    YES
Connectivity
  • HDMI
    YES(2ea)
    HDMI Version
    Supports TMDS 6G as compliant with HDMI 2.0
  • HDMI (HDCP Version)
    2.2
    HDMI (w/o VRR)
    40~60Hz
  • HDMI (w/ VRR)
    N/A
    DisplayPort
    YES(1ea)
  • DP Version
    1.4
    DP (HDCP Version)
    2.2
  • DP (w/o VRR)
    40~60Hz
    DP (w/ VRR)
    N/A
  • Headphone out
    3-pole (Sound Only)
    [Location]
    rear
Power
  • Type
    External Power(Adapter)
    AC Input
    100~240V (50/60Hz)
  • DC Output
    40W(19V/2.1A)
    Power Consumption (On-Mode)
    25W
  • Power Consumption (On-Mode) (ErP)
    26W
    Power Consumtpion (On-Mode) (KR)
    25W
  • Power Consumption (Sleep Mode)
    Less than 0.5W (HDMI/DP input condition)
    Power Consumption (DC Off)
    Less than 0.3W
Mechanical
  • Borderless Design
    3-Side Virtually Borderless Design
    Color (Middle Cabinet)
    Black
  • Color (Back Cover)
    Black
    Color (Stand Body)
    Black
  • Color (Stand Base)
    Black
    Display Position Adjustments
    Tilt/HAS/Swivel/Pivot
  • Tilt
    -5 ~ 21 º
    Swivel
    ±45º
  • Height Range [mm]
    150mm
    Pivot
    Bi-Direction
  • Wall Mountable [mm]
    100 x 100
    Base Detachable
    YES
DIMENSIONS/WEIGHTS
  • Dimension with Stand (W x H x D) [mm]
    613.5x539.2x253.2
    Dimension without Stand (W x H x D) [mm]
    613.5x363.5x45.4
  • Dimension in Shiping (W x H x D) [mm]
    694*217*451
    Weight with Stand [kg]
    6.8
  • Weight without Stand [kg]
    4.2
    Weight in Shipping [kg]
    9.4
  • Pallet Stuffing (20ft/40ft/40ft HC)
    360EA/756EA/924EA
Standard
  • EPA
    Yes
    TUV-Type
    YES
  • CB
    YES
    UL (cUL)
    YES
  • FCC-B
    YES
    EPEAT (USA)
    YES
  • EPEAT (Germany)
    YES
    ERP
    YES
  • CE
    YES
    BIS (for India)
    YES
  • VCCI (for Japan)
    NO
    BSMI (for Taiwan)
    NO
  • KC (for Rep. of Korea)
    NO
    CCC (for China)
    NO
Accessory
  • Adapter
    YES
    Adapter (Color)
    Black
  • HDMI
    YES
    HDMI (Color/Length)
    Black / 1.5m
  • Display Port
    YES
    Display Port (Color/Length)
    Black / 1.8m

To access more technical documentation and downloads, please visit the LG B2B Partner Portal.

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LG Electronics is focused on developing new innovations across Business. We are committed to providing commercial electronic products that help businesses perform better. To support this, we have developed unique Monitors. We offer a wide range of products, including information displays, digital signage for advertising, commercial system air conditioners, VRF systems & tailored solutions for different vertical markets. Find out more about our Monitors today. Contact your local LG representative for more information.