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.

Specification

Product
Product id	1018278
Brand	iiyama
Partnr	GCB2784HSU-B1
EAN/UPC code	4948570127566
Warranty (months)	36 months
Technical details
Sustainability certificates	ErP
Compliance certificates	CB, CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE
Display
Display diagonal	27 inch
Display resolution	1920 x 1080 Pixels
Native aspect ratio	16:9
Panel type	VA
Display brightness (typical)	350 cd/m²
Response time (MPRT)	0.7 ms
Screen shape	Curved screen
Screen curvature rating	1500R
Contrast ratio (typical)	4000:1
Maximum refresh rate	240 Hz
Viewing angle, horizontal	178 °
Viewing angle, vertical	178 °
Display number of colours	16.7 million colours
Display diagonal (metric)	68 cm
Pixel pitch	0.311 x 0.311 mm
Horizontal scan range	30 - 300 kHz
Viewable size, horizontal	597.9 mm
Viewable size, vertical	336.3 mm
High Dynamic Range (HDR) technology	High Dynamic Range 10 (HDR10)
High Dynamic Range (HDR) supported	Y
Colour depth	8 Bit
sRGB coverage (typical)	99 procent
NTSC coverage (typical)	72 procent
Performance
AMD FreeSync	Y
AMD FreeSync type	FreeSync Premium
Flicker-free technology	Y
Low Blue Light technology	Y
Multimedia
Built-in speaker(s)	Y
Number of speakers	2
RMS rated power	4 W
Design
Product colour	Black
Ports & interfaces
Built-in USB hub	Y
USB hub version	2.0
HDMI ports quantity	2
DisplayPorts quantity	1
Headphone out	Y
Number of downstream ports	2
Ergonomics
VESA mounting	Y
Panel mounting interface	100 x 100 mm
Cable management	Y
Adjustable height (max)	150 mm
Height adjustment	Y
Swivelling	Y
Pivot	Y
Swivel angle range	-45 - 45 °
Tilt adjustment	Y
On Screen Display (OSD) languages	CZE, DEU, ENG, ESP, FRE, ITA, JPN, DUT, POL, POR, RUS
Packaging data
Cables included	AC, USB, HDMI
Power cable length	1.85 m
HDMI cable length	1.85 m
USB cable length	1.5 m
Package width	1150 mm
Package depth	700 mm
Package height	1761 mm
Package weight	7910 g
Power
Energy efficiency class (SDR)	E
Power consumption (typical)	21 W
Power consumption (standby)	21 W
Power consumption (off)	0.3 W
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Weight & dimensions
Width (with stand)	610.5 mm
Depth (with stand)	192.5 mm
Height (with stand)	466.5 mm
Weight (with stand)	5400 g
Weight	5400 g
Other features
Power supply type	Internal
Packaging content	quick start guide, safety guide
Control panel	Power Indicator, Joystick: Power / Menu (Center), Up / Signal Select, Down, Left / i-Style Colour / Night Mode / Blue Light Reducer, Right / Volume
User controls	picture adjust (contrast, brightness, OD, HDR, FreeSync Premium, ACR, Night Mode, Blue Light Reducer, Motion Blur Reduction, Gamma), input select, audio settings (volume, mute), store user settings (user modes), colour settings (6-axis, colour temperature, user preset, black tuner), image adjust (i-Style Colour, x-res technology, sharpness, HDMI range, direct drive mode, video mode adjust), language, setup menu (OSD horizontal position, OSD vertical position, OSD time, opening logo, power LED, DDC/CI control, USB charge, PIP/PBP), display information, reset