iiyama G-MASTER GB2771UHSU-B1 27″ 144Hz Monitor

27 inch · 3840 x 2160 · 144 Hz · IPS

See today's price, delivery and offers at the store.

Screen size 27 inch
Resolution 3840 x 2160
Refresh rate 144 Hz
Panel IPS

iiyama G-MASTER GB2771UHSU-B1 27″ 144Hz Monitor is a 27-inch monitor with 3840 x 2160 resolution, a 144 Hz refresh rate and IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-11-07

Specifications

Key specs

Screen size: 27 inch
Resolution: 3840 x 2160
Refresh rate: 144 Hz
Panel: IPS
Released: 2025-11-07
Part number: GB2771UHSU-B1
EAN / UPC: 4948570127139

Display

Display diagonal: 68.6 cm (27")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: IPS
Display brightness (typical): 450 cd/m²
Response time (MPRT): 0.8 ms
Screen shape: Flat
Contrast ratio (typical): 1500:1
Contrast ratio (dynamic): 100000000:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.155 x 0.155 mm
Horizontal scan range: 30 - 360 kHz
Vertical scan range: 48 - 288 Hz
Viewable size, horizontal: 59.7 cm
Viewable size, vertical: 33.6 cm
Display diagonal (metric): 68.6 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range (HDR) 400
DDC/CI: Yes
Colour depth: 8 bit

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium
Flicker-free technology: Yes
Low Blue Light technology: Yes

View all specifications +9 more sectionsShow fewer specifications

Multimedia

Number of speakers: 2
RMS rated power: 4 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black
Frameless design: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B
Number of upstream ports: 1
Number of downstream ports: 4
Number of USB Type-B upstream ports quantity: 1
USB Type-A downstream ports quantity: 4
USB Type-C downstream ports quantity: 1
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort out version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
HDCP: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable management: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 15 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Swivel angle range: -45 - 45°
Tilt adjustment: Yes
Tilt angle range: -5 - 23°
On Screen Display (OSD): Yes
On Screen Display (OSD) languages: Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Russian, Ukrainian
Number of OSD languages: 11

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 25.7 kWh
Energy consumption (HDR) per 1000 hours: 36.6 kWh
Power consumption (typical): 26 W
Power consumption (standby): 0.4 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: Internal
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -20 - 60 °C
Operating relative humidity (H-H): 20 - 90%
Storage relative humidity (H-H): 10 - 90%

Weight & dimensions

Width (with stand): 614.5 mm
Depth (with stand): 213 mm
Height (with stand): 567 mm
Weight (with stand): 5.97 kg
Height (without stand): 417 mm
Weight (without stand): 4 kg

Other features

Packaging content: quick start guide, safety guide
Weight: 5.97 kg
Width: 614.5 mm
Depth: 213 mm
Control panel: Joystick, power / menu (center), up / signal select, down, left / i-Style colour, night mode, blue light reducer, right / volume
Compliance certificates: CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

Ready to buy? Get the iiyama G-MASTER GB2771UHSU-B1 27″ 144Hz Monitor at today's price.Buy now

About this product

Experience the best of both worlds with the G-MASTER Red Eagle GB2771UHSU 27” 4K IPS monitor built for versatility. Enjoy high-definition detail with 4K resolution at 144Hz for smooth and immersive single-player adventures, then switch to an ultra-responsive 288Hz refresh rate at Full HD when it’s time to get competitive. With a fast 0.8ms MPRT (4K 144Hz) response time and NVIDIA G-SYNC Compatible technology, gameplay stays crisp and fluid, with no visible screen tearing artifacts or distractions. This monitor delivers 450cd/m2 brightness and vibrant colour accuracy with it’s IPS panel, making it a suitable monitor for gaming and content creation, it is the perfect all-rounder you need for both immersive and competitive gaming.

User manual (PDF) · Datasheet (PDF)

GB2771UHSU-B1 vs similar monitors

	iiyama G-MASTER GB2771UHSU-B1 27″ 144Hz Monitor	Samsung Odyssey G7 G70D	Lenovo ThinkVision P27UD-40 Monitor	AOC AG324UX/69 32″ 144Hz Monitor
Screen size	27 inch	27 inch	27 inch	32 inch
Resolution	3840 x 2160	3840 x 2160	3840 x 2160	3840 x 2160
Refresh rate	144 Hz	144 Hz	120 Hz	144 Hz
Panel	IPS	IPS	IPS	IPS
Released	2025	2026	2026	2026