LG 27BA45U-B 27″ 100Hz Monitor

27 inch · 3840 x 2160 · 100 Hz · IPS

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Screen size 27 inch
Resolution 3840 x 2160
Refresh rate 100 Hz
Panel IPS
Response time 5 ms

LG 27BA45U-B 27″ 100Hz Monitor is a 27-inch monitor with 3840 x 2160 resolution, a 100 Hz refresh rate and IPS panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2025.

Released: 2025-02-07

Specifications

Key specs

Screen size: 27 inch
Resolution: 3840 x 2160
Refresh rate: 100 Hz
Panel: IPS
Response time: 5 ms
Released: 2025-02-07
Part number: 27BA45U-B
EAN / UPC: 8806096435120

Display

Display diagonal: 68.6 cm (27")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Panel type: IPS
LED backlight: Yes
Backlight type: Edge-Lit
Display brightness (typical): 300 cd/m²
Response time: 5 ms
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 1000:1
Maximum refresh rate: 100 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display diagonal (metric): 69 cm
Colour depth: 8 bit
sRGB coverage (typical): 99%

Performance

Smart modes: Energy saving

View all specifications +6 more sectionsShow fewer specifications

Design

Product colour: Black
Detachable stand: Yes
Feet colour: Black

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
DisplayPorts quantity: 1
Headphone out: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Height adjustment: Yes
Adjustable height (max): 15 cm
Pivot: Yes
Swivelling: Yes
Swivel angle range: -45 - 45°
Tilt adjustment: Yes
Tilt angle range: -5 - 21°

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 26 kWh
Energy consumption (HDR) per 1000 hours: 34 kWh
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 613.5 mm
Depth (with stand): 253.2 mm
Height (with stand): 539.2 mm
Weight (with stand): 6.8 kg

Other features

Brand specific technologies: Super+ Resolution
Warranty period: 2 year(s)

Check the manufacturer's page before buying.

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About this product

27" IPS UHD 4K Monitor with 90% DCI-P3 and HDR10 support 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.

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. 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. Multi ports A variety of interface Our monitor's HDMI and DisplayPort compatibility helps you easily connect various devices for an efficient desk setup. 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.

User manual (PDF) · Datasheet (PDF)

27BA45U-B vs similar monitors

	LG 27BA45U-B 27″ 100Hz Monitor	LG 27U710B-B 27″ 60Hz Monitor	LG 27BA850-I 27″ 100Hz Monitor	LG 27BA650-I 27″ 100Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	3840 x 2160	3840 x 2160	1920 x 1080	1920 x 1080
Refresh rate	100 Hz	60 Hz	100 Hz	100 Hz
Panel	IPS	IPS	IPS	IPS
Response time	5 ms	5 ms	5 ms	5 ms
Released	2025	2026	2026	2026