iiyama G-MASTER GCB2784HSU-B1 27″ 240Hz Monitor

27 inch · 1920 x 1080 · 240 Hz · VA

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Screen size 27 inch
Resolution 1920 x 1080
Refresh rate 240 Hz
Panel VA

iiyama G-MASTER GCB2784HSU-B1 27″ 240Hz Monitor is a 27-inch monitor with 1920 x 1080 resolution, a 240 Hz refresh rate and VA panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-04-11

Specifications

Key specs

Screen size: 27 inch
Resolution: 1920 x 1080
Refresh rate: 240 Hz
Panel: VA
Released: 2026-04-11
Part number: GCB2784HSU-B1
EAN / UPC: 4948570127566

Display

Display diagonal: 68.6 cm (27")
Display resolution: 1920 x 1080 pixels
HD type: Full HD
Native aspect ratio: 16:9
Display technology: LCD
Panel type: VA
Display brightness (typical): 350 cd/m²
Response time (MPRT): 0.7 ms
Screen shape: Curved
Screen curvature rating: 1500R
Contrast ratio (typical): 4000:1
Contrast ratio (dynamic): 80000000:1
Maximum refresh rate: 240 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.311 x 0.311 mm
Horizontal scan range: 30 - 300 kHz
Viewable size, horizontal: 59.8 cm
Viewable size, vertical: 33.6 cm
Display diagonal (metric): 68 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Colour depth: 8 bit
sRGB coverage (typical): 99%
NTSC coverage (typical): 72%

Performance

AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Multimedia

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

Design

Market positioning: Gaming
Product colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 2.0
Number of downstream ports: 2
HDMI: Yes
HDMI ports quantity: 2
DisplayPorts quantity: 1
Headphone out: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable management: Yes
Height adjustment: Yes
Adjustable height (max): 15 cm
Pivot: Yes
Swivelling: Yes
Swivel angle range: -45 - 45°
Tilt adjustment: Yes
On Screen Display (OSD) languages: Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 21 kWh
Energy consumption (HDR) per 1000 hours: 31 kWh
Power consumption (typical): 21 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

Weight & dimensions

Width (with stand): 610.5 mm
Depth (with stand): 192.5 mm
Height (with stand): 466.5 mm
Weight (with stand): 5.4 kg

Other features

Packaging content: quick start guide, safety guide
Weight: 5.4 kg
Control panel: Power Indicator, Joystick: Power / Menu (Center), Up / Signal Select, Down, Left / i-Style Colour / Night Mode / Blue Light Reducer, Right / Volume
Compliance certificates: CB, CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

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About this product

Experience absolute speed with a panoramic edge. In high-stakes gaming, the slightest delay or motion blur can break your concentration and cost you the win. The G-Master GCB2784HSU-B1 eliminates these barriers, pairing a satisfying 240Hz refresh rate with a 0.7ms MPRT response time for unparalleled motion clarity. Its 1500R curved VA panel delivers sharp FHD resolution, optimized for high-frame-rate performance, while pulling you deeper into the world and offering a superior static contrast ratio for the black depth. Supported by Adaptive Sync, this monitor delivers a seamless, high-velocity experience that ensures you see every movement first and react with perfect precision.

User manual (PDF) · Datasheet (PDF)

GCB2784HSU-B1 vs similar monitors

	iiyama G-MASTER GCB2784HSU-B1 27″ 240Hz Monitor	iiyama G-MASTER GC2784HSU-B1 27″ 240Hz Monitor	Samsung LC27RG50FQL 27″ 240Hz Monitor	Acer XZ270 X0bmiiphx
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	1920 x 1080	1920 x 1080	1920 x 1080	1920 x 1080
Refresh rate	240 Hz	240 Hz	240 Hz	200 Hz
Panel	VA	VA	VA	VA
Released	2026	2026	2026	2026