iiyama ProLite X4373UHSU-B2 43″ 60Hz Monitor

43 inch · 3840 x 2160 · 60 Hz · VA

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Screen size 43 inch
Resolution 3840 x 2160
Refresh rate 60 Hz
Panel VA
Response time 3 ms

iiyama ProLite X4373UHSU-B2 43″ 60Hz Monitor is a 43-inch monitor with 3840 x 2160 resolution, a 60 Hz refresh rate and VA panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2026.

Released: 2026-01-16

Specifications

Key specs

Screen size: 43 inch
Resolution: 3840 x 2160
Refresh rate: 60 Hz
Panel: VA
Response time: 3 ms
Released: 2026-01-16
Part number: X4373UHSU-B2
EAN / UPC: 4948570126590

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): 450 cd/m²
Response time: 3 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Flat
Contrast ratio (typical): 4000:1
Contrast ratio (dynamic): 80000000:1
Maximum refresh rate: 60 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 10 (HDR10)
Colour depth: 10 bit
Colour gamut standard: NTSC, sRGB
sRGB coverage (typical): 100%
NTSC coverage (typical): 85%

Performance

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: Business
Product colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
Number of downstream ports: 4
USB Type-C DisplayPort Alternate Mode: Yes
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 95 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.2
Headphone out: Yes
Built-in KVM switch: Yes
HDCP: Yes

Ergonomics

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

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 40.9 kWh
Energy consumption (HDR) per 1000 hours: 79.1 kWh
Power consumption (typical): 41 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

Weight & dimensions

Width (with stand): 977.5 mm
Depth (with stand): 251 mm
Height (with stand): 621.5 mm
Weight (with stand): 14.7 kg

Other features

Packaging content: quick start guide, safety guide
Weight: 14.7 kg
Height: 621.5 mm
Width: 977.5 mm
Depth: 251 mm
Control panel: Input Select, +/Volume, -/Shortcut, Menu, Power
Compliance certificates: CE, EAC, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

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About this product

Designed for professionals who need more screen space, the ProLite X4373UHSU offers a seamless solution for multitasking and multi-device workflows. The 43'' panel delivers rich colours, sharp 3840x2160 resolution and wide 178° viewing angles, with 450cd/m2 brightness ensuring excellent visibility in any lighting. For added flexibility, the monitor supports dual mode, allowing you to work in 3840×2160 for detailed content creation and data-heavy applications, or switch to 1920×1080 at 120Hz for smoother motion when displaying dynamic content or live feeds. The USB-C input with 95W Power Delivery, integrated KVM switch and four-port USB hub make it easy to connect, control and charge multiple devices through a single setup. Flicker-free technology and a blue light reducer help minimise eye strain during long sessions, while the included remote control offers instant access to key settings. Ideal for content creation, financial dashboards or control environments, this all-in-one monitor maximises clarity, comfort and productivity.

User manual (PDF) · Datasheet (PDF)

X4373UHSU-B2 vs similar monitors

	iiyama ProLite X4373UHSU-B2 43″ 60Hz Monitor	Samsung M7 LS43FM700ULXPE 43″ 60Hz Monitor	Samsung M7 LS43DM702UNXGO 43″ 60Hz Monitor	Samsung M8 LS32FM801ULXPE 32″ 60Hz Monitor
Screen size	43 inch	43 inch	43 inch	32 inch
Resolution	3840 x 2160	3840 x 2160	3840 x 2160	3840 x 2160
Refresh rate	60 Hz	60 Hz	60 Hz	60 Hz
Panel	VA	VA	VA	VA
Response time	3 ms	4 ms	4 ms	4 ms
Released	2026	2026	2026	2026