iiyama · Monitor

iiyama G-MASTER G4380UHSU-B1 computer monitor price in United Kingdom

Model G4380UHSU-B1MPN G4380UHSU-B1EAN 4948570118526

Display108 cm (42.5")
Resolution3840 x 2160 pixels
Energy classF
Weight14.9 kg

Lowest price incl. delivery

£513.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 with free delivery
Checked 5 Oct 2026, 18:25 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£513.99at Back to the Office · free shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
1 with free shipping
Checked 5 Oct 2026, 18:25 UTC

Back to the OfficeLowest priceiiyama G-MASTER 43’’ 4K 144Hz Gaming Monitor (G4380UHSU-B1) In stockFree shipping
£513.99incl. free shipping
Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 5 Oct 2026, 18:25 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Product details

Identification

Brand: iiyama
Product: G-MASTER G4380UHSU-B1 computer monitor
Full name: iiyama G-MASTER G4380UHSU-B1 computer monitor 108 cm (42.5") 3840 x 2160 pixels 4K Ultra HD LED Black
Manufacturer part number: G4380UHSU-B1
EAN / UPC: 4948570118526
Category: Monitor

102 specifications from the manufacturer's data sheet

Display

Display diagonal	108 cm (42.5")
Display resolution	3840 x 2160 pixels
Native aspect ratio	16:9
Display technology	LED
Touchscreen	No
HD type	4K Ultra HD
Panel type	VA
Display brightness (typical)	550 cd/m²
Response time	0.4 ms
Response time (MPRT)	0.4 ms
Display surface	Matt
Screen shape	Flat
Aspect ratio	16:9
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 - 135 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

Performance

NVIDIA G-SYNC	No
AMD FreeSync	Yes
AMD FreeSync refresh rate range	48 - 120 Hz
Flicker-free technology	Yes
Low Blue Light technology	Yes

Multimedia

Built-in speaker(s)	Yes
Number of speakers	2
RMS rated power	14 W
Built-in camera	No

Design

Market positioning	Gaming
Product colour	Black
Feet colour	Black

Ports & interfaces

Built-in USB hub	Yes
USB hub version	2.0
USB upstream port type	USB Type-B
Number of upstream ports	1
Number of downstream ports	4
USB Type-A downstream ports quantity	4
HDMI	Yes
HDMI ports quantity	2
HDMI version	2.0
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 lock slot	Yes
Cable lock slot type	Kensington
Height adjustment	No
Tilt adjustment	Yes
Tilt angle range	-2 - 10°
On Screen Display (OSD) languages	Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian

Power

Energy efficiency class (SDR)	F
Energy efficiency class (HDR)	G
Energy consumption (SDR) per 1000 hours	49 kWh
Energy consumption (HDR) per 1000 hours	92 kWh
Power consumption (typical)	85 W
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Input current	1.5 A
Power supply type	Internal

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)	14.9 kg
Weight (without stand)	13.1 kg

Packaging data

Package width	1071 mm
Package depth	240 mm
Package height	760 mm
Package weight	20.5 kg

Packaging content

Stand included	Yes
Cables included	AC, USB, HDMI, DisplayPort
Remote control included	Yes
Quick start guide	Yes
Remote control batteries included	Yes

Sustainability

Sustainability certificates	ErP

Other features

Compliance certificates	CE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE
Depth	251 mm
Height	621.5 mm
Packaging content	quick start guide, safety guide
Weight	14.9 kg
Width	977.5 mm
Control panel	Input Select, +/ Volume, -/ i-Style Colour, Menu, Power
User controls	picture adjust (contrast, brightness, OD, ACR, ECO, blue light reducer, black tuner, MBR, gamma), input select, audio settings (volume, mute), store user settings, colour settings (colour temperature, 6-axis, user preset), image settings (i-Style colour, X-Res technology, sharp and soft, HDMI range,
Supplied AC adapter type	LED, PC monitor, -,-