The iiyama G-Master GCB3480WQSU-B1 Red Eagle 34" curved ultrawide monitor is designed to deliver an immersive and uncompromising gaming experience. With UWQHD (3440x1440) resolution and a 21:9 aspect ratio, it provides a wide field of view, ideal for gaming, multitasking and creative work. The VA panel supports a 144Hz refresh rate and a 0.4ms MPRT response time, ensuring ultra-smooth and responsive images. FreeSync™ Premium technology perfectly synchronizes the monitor and GPU, eliminating tearing and stuttering. Complete with height adjustment, built-in speakers and versatile connectivity (HDMI, DisplayPort, USB Hub).
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GCB3480WQSU-B1 – Read Eagle 34" Curved Monitor VA LED Panel

The iiyama G-Master GCB3480WQSU-B1 Red Eagle 34" ultrawide curved monitor is designed for serious gamers and professionals who want an immersive, responsive and ultra-high resolution visual experience. With a 3440x1440 (UWQHD) VA panel in 21:9 format and 1500R curvature, it offers a wider and more immersive field of view, perfect for gaming, video editing, music production and multitasking. The 144Hz refresh rate, combined with a fast 0.4ms MPRT response time, ensures extremely fluid and top performance in the most fast-paced titles. AMD FreeSync™ Premium technology ensures perfect synchronization between GPU and monitor, eliminating tearing and stuttering. Equipped with a height-adjustable stand, built-in speakers, full connectivity (HDMI, DisplayPort, USB Hub) and customized gaming modes.
Main features:
- 34" UWQHD (3440x1440) display in 21:9 format
- Curvature 1500R
- Refresh rate 144Hz + Response time 0.4ms MPRT
- AMD FreeSync™ Premium
- Height adjustable stand (HAS)
- Full connectivity: HDMI, DisplayPort, USB Hub
- Built-in stereo speakers
- Preset gaming modes + Black Tuner
Further details
The 1500R curvature wraps around your field of view for greater immersion, reducing eye strain and improving focus while gaming or working.
✅ FreeSync™ Premium Pro Technology:
Advanced synchronization between GPU and monitor for a smooth experience, without tearing or stuttering, even in HDR. Ideal for demanding gamers.
21:9 panoramic resolution to view more content horizontally, perfect for multitasking, editing and immersive gaming.
✅ PbP (Picture-by-Picture):
Allows you to view two video sources simultaneously on the screen, useful for side-by-side comparisons, multi-device setups or parallel work.
Technical data sheet
MODEL | GCB3480WQSU-B1 |
DISPLAY CHARACTERISTICS |
|
Diagonal |
34", 86.4cm |
Panel |
VA LED, matte finish |
Curved |
1500R |
Native resolution |
3440 x 1440 @180Hz (4.9 megapixel UWQHD, DisplayPort) |
Aspect ratio |
21:9 |
Panel brightness |
420 cd/m² |
Static contrast |
4000:1 |
Response time (MPRT) |
0.4ms |
Viewing areas |
horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
Horizontal Sync |
48 - 180kHz |
Viewable area W x H |
797.2 x 333.7mm, 31.4 x 13.1" |
Pixel pitch |
0.232mm |
Colour |
matte, black |
INTERFACES / CONNECTORS / CONTROLS |
|
Signal input |
HDMI x2 (max. 3440 x 1440 @100Hz) DisplayPort x2 (max. 3440 x 1440 @180Hz) |
USB HUB |
x2 (v.3.2 (Gen 1, 5Gbit; DC5V, 900mA)) |
HDCP |
yes |
Headphone connector |
yes |
FEATURES |
|
Blue light reducer |
yes |
Flicker-free |
yes |
FreeSync support |
HDMI: 3440 x 1440 @48-100Hz, DP: 3440 x 1440 @48-180Hz |
HDR |
HDR400 |
OSD languages |
EN, DE, FR, ES, IT, RU, JP, CZ, NL, PL |
Control buttons |
Navigation Button: Power Switch/Menu/Power Indicator, Scroll Up/Input Select, Scroll Down, Left/Eco Mode, Right/Volume |
User controls |
picture adjust (brightness, contrast, ECO, blue light reducer, ACR, OD, MBR, black tuner, color saturation, gamma), color setting (colour temp., user preset, i-Style colour), image adjust (sharp and soft, HDMI range, direct drive mode, video mode adjust, HDR, FreeSync, overclock), OSD (OSD H. position, OSD V. position, OSD time), language, miscellaneous (opening logo, LED, display information, PiP/PbP, PiP position, PiP size), input select (input source, sub source, DP mode), audio setting (volume, mute, audio input), store user setting (user modes), recall |
Speakers |
2 x 3W |
Convenience |
Kensington-lock™ prepared, DDC2B, Mac OSX |
MECHANICAL |
|
Display position adjustments |
height, tilt |
Height adjustment |
110mm |
Tilt angle |
20th up; 5th down |
VESA mounting |
100 x 100mm |
ACCESSORIES INCLUDED |
|
Cables |
Power, USB, HDMI, DP |
Other |
quick start guide, safety guide |
POWER MANAGEMENT |
|
Power supply unit |
internal |
Power supply |
AC 100 - 240V, 50/60Hz |
Power usage |
51W typical, 0.5W stand by, 0.3W off mode |
SUSTAINABILITY |
|
Regulations |
CE, EAC, RoHS support, ErP, WEEE, REACH, UKCA |
Energy efficiency class (Regulation (EU) 2017/1369) |
AND |
REACH SVHC |
above 0.1%: Lead |