LG 27" QHD IPS Monitor with HDR10 & Ergonomic Stand 27BA45QB-B
The LG 27BA45QB-B is a 27-inch QHD IPS monitor for office and home workstations, pairing sharp 2560 x 1440 resolution and 99% sRGB colour with a fully adjustable stand. A built-in power supply removes the external power brick, keeping desks tidier.
Key features
- 27-inch QHD IPS panel: 2560 x 1440 resolution with 178° viewing angles gives more screen space than Full HD and consistent colour from any seat.
- HDR10 and 99% sRGB (typ.): accurate, vivid colour for documents, photos and video.
- Ergonomic stand: tilt -5° to 21°, 150 mm height adjustment, ±45° swivel and pivot into portrait for comfortable all-day use.
- Integrated power module: a built-in power supply means no external adapter cluttering the desk.
- Flicker Safe and Reader Mode: reduces on-screen flicker and adjusts colour temperature and brightness for long reading sessions.
Specifications
| Model | 27BA45QB-B (27BA45QB-B.AAU) |
| Screen size | 27 inch (68.466 cm) |
| Panel | IPS, anti-glare |
| Resolution | 2560 x 1440 (QHD) |
| Aspect ratio | 16:9 |
| Pixel pitch | 0.2331 x 0.2331 mm |
| Refresh rate (max.) | 75Hz |
| Response time | 5ms (GtG at Faster) |
| Brightness (typ.) | 400 cd/m² |
| Contrast ratio (typ.) | 1000:1 |
| Colour gamut (typ.) | sRGB 99% (CIE1931) |
| Colour depth | 16.7 million colours (8-bit) |
| Viewing angle | 178° (R/L), 178° (U/D) |
| HDR | HDR10 |
| Inputs | 2 x HDMI, 1 x DisplayPort 1.4 |
| Audio | 2 x 5W speakers, 3-pole headphone out |
| Stand adjustment | Tilt -5° to 21°, height 150 mm, swivel ±45°, pivot (bi-directional) |
| Wall mount | 100 x 100 mm |
| Power | Built-in power, AC 100–240V (50/60Hz); sleep mode less than 0.5W |
| Dimensions with stand (W x H x D) | 613.5 x 569.7 x 250 mm |
| Weight | 7.7 kg with stand, 4.9 kg without stand |
| In the box | DisplayPort cable, power cord |
| Software | LG Switch app (Dual Controller) |
Compatibility
Connects to PCs and laptops with HDMI or DisplayPort output. This model has no USB-C input, USB hub or KVM switch. If you need single-cable USB-C, compare the LG 24BA650-B 24-inch USB-C business monitor.
Who it's for
Suited to: office workers, home offices and students who want more screen space than Full HD, accurate sRGB colour and an adjustable stand for spreadsheets, documents and video calls.
Not suited to: fast-paced gaming above 75Hz, or laptops that only output over USB-C. For a simpler Full HD option, see the LG 27U411 27-inch FHD monitor, or browse the full LG range.
FAQs
What resolution is the LG 27BA45QB?
It is QHD, 2560 x 1440, on a 27-inch IPS panel with a maximum refresh rate of 75Hz.
Does the LG 27BA45QB have speakers?
Yes. It has two built-in 5W speakers and a headphone output.
Can I connect a laptop with USB-C?
Not directly. The monitor has two HDMI ports and one DisplayPort 1.4 input, with no USB-C port.
Can the screen rotate to portrait?
Yes. The stand pivots, and it also tilts, swivels and adjusts 150 mm in height.
