iiyama G-MASTER G4380UHSU-B2 43″ 144Hz Monitor

43 inch · 3840 x 2160 · 144 Hz · VA

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Screen size 43 inch
Resolution 3840 x 2160
Refresh rate 144 Hz
Panel VA

iiyama G-MASTER G4380UHSU-B2 43″ 144Hz Monitor is a 43-inch monitor with 3840 x 2160 resolution, a 144 Hz refresh rate and VA panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-09-04

Specifications

Key specs

Screen size: 43 inch
Resolution: 3840 x 2160
Refresh rate: 144 Hz
Panel: VA
Released: 2025-09-04
Part number: G4380UHSU-B2
EAN / UPC: 4948570125630

Display

Display diagonal: 108 cm (42.5")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: VA
Display brightness (typical): 550 cd/m²
Response time (MPRT): 0.3 ms
Display surface: Matt
Screen shape: Flat
Contrast ratio (typical): 4000:1
Contrast ratio (dynamic): 80000000:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.245 x 0.245 mm
Horizontal scan range: 30 - 335 kHz
Viewable size, horizontal: 94.1 cm
Viewable size, vertical: 52.9 cm
Display diagonal (metric): 108 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range (HDR) 400
DDC/CI: Yes
Haze rate: 2%
Colour depth: 10 bit
NTSC coverage (typical): 85%

Performance

AMD FreeSync: Yes
AMD FreeSync refresh rate range: 48 - 120 Hz
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Multimedia

Number of speakers: 2
RMS rated power: 14 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black
Feet colour: Black

Ports & interfaces

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

Ergonomics

VESA mounting: Yes
Panel mounting interface: 200 x 100 mm
Cable management: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Tilt adjustment: Yes
Tilt angle range: -2 - 10°
On Screen Display (OSD): Yes
On Screen Display (OSD) languages: Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian
Number of OSD languages: 11

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 47.8 kWh
Energy consumption (HDR) per 1000 hours: 84.6 kWh
Power consumption (typical): 89 W
Power consumption (standby): 0.5 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): 5 - 35 °C
Storage temperature (T-T): -20 - 60 °C
Operating relative humidity (H-H): 10 - 80%
Storage relative humidity (H-H): 5 - 85%

Weight & dimensions

Width (with stand): 977.5 mm
Depth (with stand): 251 mm
Height (with stand): 621.5 mm
Weight (with stand): 14.8 kg
Weight (without stand): 13 kg

Other features

Packaging content: quick start guide, safety guide
Weight: 14.8 kg
Height: 621.5 mm
Width: 977.5 mm
Depth: 251 mm
Control panel: Power Indicator, Remote Sensor, Input Select Button, +/Volume, -/Shortcut Button, Menu, Power
Compliance certificates: CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE

Technical details

Native refresh rate: 60 Hz

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About this product

Step into gaming with the G-Master G4380UHSU. Its 43′′ screen and UHD resolution (3840×2160) deliver sharp, detailed visuals, ideal for gamers seeking a clear, expansive view. Equipped with a fast 0.3ms MPRT response time and a 144Hz refresh rate, it ensures smooth, responsive gameplay with minimal motion blur or ghosting. The VA panel provides strong contrast and deep blacks, while the Black Tuner feature enhances visibility in darker areas of the screen - helping you spot opponents and stay in control. Whether you’re competing in fast-paced titles or exploring richly detailed open worlds, this monitor combines image quality and speed to match your setup.

User manual (PDF) · Datasheet (PDF)

G4380UHSU-B2 vs similar monitors

	iiyama G-MASTER G4380UHSU-B2 43″ 144Hz Monitor	LG 34U620B-B 34″ 144Hz Monitor	Samsung 40" ViewFinity S8 S85TH 5k2k WUHD Monitor	Samsung S85TH 40″ 144Hz Monitor
Screen size	43 inch	34 inch	40 inch	40 inch
Resolution	3840 x 2160	3440 x 1440	5120 x 2160	5120 x 2160
Refresh rate	144 Hz	144 Hz	144 Hz	144 Hz
Panel	VA	VA	VA	VA
Released	2025	2026	2026	2026