27 inch GIGABYTE G27UP 4K UHD Gaming Monitor — 3840x2160, Dual Mode 4K160Hz/FHD320Hz, 1 ms, 400 cd/m², HDR10, HDMI 2.1, DisplayPort 1.4

The GIGABYTE G27UP is a 27-inch 4K UHD gaming monitor with a SuperSpeed IPS panel that supports Dual Mode operation: 4K at 160 Hz or FHD at 320 Hz. It delivers a 1 ms response time, 400 cd/m² typical brightness and covers 95% of the DCI-P3 color gamut, while providing HDMI 2.1 support for console gaming at 4K/120 Hz and DisplayPort 1.4 for PC connections. The design includes full ergonomic adjustments and a four-sided cooling solution to maintain performance during extended sessions.

Advantages

The monitor combines high-resolution visuals with fast refresh rates by offering a Dual Mode that adapts between 4K/160 Hz for detailed imagery and FHD/320 Hz for maximum frame rates. SuperSpeed IPS ensures a 1 ms response time with wide 178° viewing angles, and the wide color gamut supports accurate, vivid colors for games and content. HDMI 2.1 compatibility enables native console support at 4K/120 Hz, and the ergonomic stand with height, tilt, swivel and pivot adjustments helps achieve a comfortable setup.

Suitable for

• PC gamers who want 4K resolution with high refresh rates
• Competitive players who prioritize fast refresh and low response time in FHD
• Console gamers using PS5 or Xbox Series X at 4K/120 Hz via HDMI 2.1
• Content creators needing wide color coverage for editing and review

Key specifications

• Display diagonal: 27" (68.6 cm)
• Resolution: 3840 x 2160 (4K Ultra HD), native 16:9 aspect ratio
• Panel type: SuperSpeed IPS (SS-IPS)
• Dual Mode: 4K 160 Hz or FHD 320 Hz
• Response time: 1 ms
• Brightness (typical): 400 cd/m²
• Contrast ratio (typical): 1000:1
• Color gamut: 95% DCI-P3 (approx. 129% sRGB)
• Viewing angles: 178° horizontal / 178° vertical
• HDR: HDR10 ready
• Adaptive sync: AMD FreeSync Premium; G-SYNC Compatible
• Connections: HDMI 2.1, DisplayPort 1.4
• Screen shape: Flat
• VESA mounting supported
• Ergonomics: Height, tilt, swivel and pivot adjustments
• Typical energy consumption (SDR): 26 kWh per 1000 hours

How to use

Connect the monitor to a PC via DisplayPort 1.4 to use native 4K/160 Hz or to a console via HDMI 2.1 to enable 4K/120 Hz console output. Use the on-screen display (OSD) and Tactical Switch 2.0 to change resolution and refresh-rate profiles quickly between 4K and FHD modes. Adjust the stand for proper viewing height, tilt, swivel or pivot to match your desk and seating position. Enable FreeSync or G-SYNC compatibility in your graphics settings to reduce screen tearing during gameplay.

Recommendations

For the best balance of image quality and performance, use 4K/160 Hz for graphically rich single-player games or content creation, and switch to FHD/320 Hz for competitive multiplayer titles where maximum frame rates matter. Ensure HDMI 2.1 cables and compatible console or GPU firmware are used to achieve full bandwidth features.