LG

27G640A-B UltraGear Monitor

27-inch IPS UltraGear monitor with 2560 × 1440 resolution and up to 300Hz refresh rate.

Brand: LG
Category: Monitors
Brand focus: Monitors · Displays
Supply: Pricing and availability on request

Individual models and specifications are listed on the brand page. Contact our sales team for availability and trade pricing.

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LG DISPLAY TECHNOLOGY

Product overview

View official LG specifications

The LG UltraGear 27G640A-B is a 27-inch QHD IPS gaming display with up to 300Hz refresh and 1ms GtG response. DisplayHDR 400, wide-colour coverage and adaptive-sync compatibility balance sharp images with high frame-rate performance. USB-C connectivity adds another option for compatible PC and peripheral setups.

1ms GtGDisplayHDR 400USB-C 15W

Technical specifications

Specifications of LG 27G640A-B
Model	27G640A-B
Display size	27 inches
Display resolution	2560 × 1440
Panel technology	IPS
Maximum refresh rate	300 Hz
Aspect ratio	16:9

Additional technical details

Additional specifications for LG 27G640A-B
Typical brightness	400 cd/m²
Color gamut (typical)	DCI-P3 95%
Contrast ratio (typical)	1300:1
Response time	1 ms GtG
DisplayHDR	DisplayHDR 400
Adaptive sync	G-SYNC Compatible, FreeSync Premium
USB-C power delivery	15 W
Built-in speakers	2 × 5 W
Typical on-mode power	45 W
Stand adjustments	Tilt / height / swivel / pivot
VESA mount	100 × 100 mm
Dimensions with stand (W × H × D)	613.68 × 539.1 × 239 mm (raised)
Weight with stand	5.47 kg

Core characteristics are checked against official LG model pages when available. Additional specifications are transcribed from the supplied LG specification workbook; market versions may differ.