The 43” Iiyama G-Master G4380UHSU-B2 Red Eagle gaming monitor offers an immersive, high-performance gaming experience , with 4K UHD (3840x2160) resolution and a VA panel for intense colors, deep contrast and crystal-clear details. With a 144Hz refresh rate and ultra-fast 0.3ms MPRT response time , it ensures smooth and responsive gameplay, eliminating ghosting and lag. Adaptive Sync technology ensures stable, tear-free images, while the Black Tuner function improves visibility in dark areas. Complete with HDR400 , built-in speakers and HDMI 2.1 ports , it is the perfect choice for gamers and professionals seeking maximum performance and visual quality.
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G4380UHSU-B2 – MONITOR RED EAGLE VA LED UHD 4K 43" IIYAMA - 144HZ - 0.3ms

The 43” Iiyama G-Master G4380UHSU-B2 Red Eagle gaming monitor takes your gaming experience to the next level with 4K UHD (3840x2160) resolution and a VA panel for crisp images, vibrant colors, and deep contrast. With a 144Hz refresh rate and a fast 0.3ms MPRT response time, it ensures smooth and responsive motion, ideal for the most demanding gamers. Adaptive Sync technology eliminates tearing and stuttering, while the Black Tuner function improves visibility in darker areas for a competitive edge. Perfect for action games and immersive sessions, it integrates HDR400, HDMI 2.1 ports, and 7W speakers, offering professional-level performance and image quality.
Main features:
- 4K UHD resolution (3840x2160) for ultra-sharp details
- 144Hz refresh rate for extreme fluidity
- Response time 0.3ms MPRT
- Adaptive Sync for tear-free gameplay
- Black Tuner for better visibility in shadows
Further details
Thanks to Adaptive Sync technology, the monitor perfectly synchronizes the refresh rate with the GPU, eliminating tearing and stuttering. The result is smooth, stable, and tear-free gameplay, ensuring precise control even in the most intense scenes.
With a 144Hz refresh rate and an ultra-fast 0.3ms MPRT response time , the monitor delivers crisp, responsive visuals. Perfect for action titles and eSports competitions, it minimizes motion blur and lag for peak performance.
4K UHD (3840x2160) resolution offers stunning visual quality with lifelike detail, vibrant colors, and expansive viewing spaces. Ideal for immersive gaming, video editing, or design, it combines definition and depth for a superior visual experience.
Equipped with HDMI 2.1, DisplayPort 1.4, and a USB 3.2 hub , it lets you connect multiple devices for maximum compatibility and stable connections. It also includes built-in 7W speakers and a convenient remote control for convenient and comprehensive use.
Technical data sheet
Model | G4380UHSU-B2 |
DISPLAY CHARACTERISTICS | |
Diagonal | 42.5", 108cm |
Panel | VA LED, haze 2% |
Native resolution | 3840 x 2160 @144Hz (8.3 megapixel 4K UHD, DisplayPort) |
Aspect ratio | 16:9 |
Brightness | 550 cd/m² |
Static contrast | 4000:1 |
Advanced contrast | 80M:1 |
Response time (MPRT) | 0.3ms |
Viewing zone | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
Color support | 1.07B 10bit (8bit + Hi-FRC) (NTSC: 85%) |
Horizontal Sync | 30 - 335kHz |
Viewable area W x H | 941.2 x 529.4mm, 37.1 x 20.8" |
Pixel pitch | 0.245mm |
Color | matte, black |
INTERFACES / CONNECTORS / CONTROLS | |
Signal input |
HDMI x2 (v.2.1, max. 3840 x 2160 @144Hz) |
USB HUB | x4 ((2x Type A v.3.2 Gen 1 (5Gbps, 4.5W), 2x Type C (5Gbps, 7.5W)) |
HDCP | Yes |
Headphone connector | Yes |
FEATURES | |
Blue light reducer | Yes |
Flicker free | Yes |
Adaptive Sync support | DP: 3840 x 2160 @48-144Hz |
Extra | i-Style Colour |
HDR | Yes, HDR 400 |
OSD languages | EN, DE, FR, ES, IT, PT, RU, JP, CZ, NL, PL |
Control buttons | Power Indicator, Remote Sensor, Input Select Button, +/Volume, -/Shortcut Button, Menu, Power |
User controls | picture adjust (contrast, brightness, OD, HDR, Adaptive Sync, ACR, night mode, blue light reducer, motion blue reducer, gamma), input select (input source), audio adjust (volume, mute), store user settings (user modes), color settings (6-axis, color 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 h. position, OSD v. position, OSD time, logo opening, power LED, DDC/CI control, USB charge, HDMI 2.1, DSC compression), display information, reset |
Speakers | 2 x 7W |
Convenience | Kensington-lock™ prepared, DDC/CI, DDC2B, Mac OSX |
MECHANICAL | |
Display position adjustments | tilt |
Tilt angle | 10th up; 2nd down |
VESA mounting | 200 x 100mm |
Cable management system | Yes |
ACCESSORIES INCLUDED | |
Cables | power (1.8m), USB (1.5m), HDMI (1.5m), DP (1.8m) |
Other | quick start guide, safety guide |
Remote control | yes (batteries included) |
POWER MANAGEMENT | |
Power Supply Unit | internal |
Power Supply | AC 100 - 240V, 50/60Hz |
Power Usage | 89W typical, 0.5W stand by, 0.3W off mode |
SUSTAINABILITY | |
Regulations | TCO Certified, CE, TÜV-GS, EAC, VCCI-B, PSE, RoHS support, ErP, WEEE, REACH, UKCA |
Energy efficiency class (Regulation (EU) 2017/1369) | AND |
REACH SVHC | above 0.1%: Lead |
DIMENSIONS & WEIGHT | |
Product dimensions W x H x D | 977.5 x 621.5 x 251mm |
Box dimensions W x H x D | 1071 x 760 x 240mm |
Weight (without box) | 14.8kg |
Weight (without stand) | 13.0kg |
Weight (with box) | 20kg |