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iiyama Prolite LH4365UHSB-B1 43" specifications and in-depth review

iiyama Prolite LH4365UHSB-B1 43"

Manufacturer: iiyama

The iiyama ProLite LH4365UHSB-B1 is a 42.5-inch commercial IPS display with LED backlighting, designed with large-format installation use in mind. It offers a 3840 x 2160 UHD resolution at 103 ppi, delivering a noticeably sharp image for its screen size, alongside wide 178-degree viewing angles both horizontally and vertically. The glossy panel and 800 nits typical brightness are geared toward environments where image vibrancy matters, and VESA mount support with portrait mode capability provides flexibility for varied installation setups.

On the connectivity side, the display includes two HDMI 2.0 ports, one DisplayPort 1.2 output, two USB ports, a 3.5 mm audio jack, and both Ethernet and Wi-Fi 5 (802.11ac) for wired or wireless network integration. Built-in stereo speakers deliver 2 x 10W of audio output, and the panel renders 1.07 billion colors at 8-bit depth with a contrast ratio of 1200:1. Operating power consumption is rated at 51W, with standby dropping to 0.5W, and the unit carries an EU energy label of E.

Pros
  • UHD 3840x2160 resolution on a 42.5-inch panel results in a pixel density of 103 ppi, producing noticeably sharp imagery for a display of this size
  • 800 nits typical brightness supports clear visibility in well-lit or commercial environments
  • Built-in Wi-Fi 5 and Ethernet connectivity allow flexible network integration without additional hardware
  • VESA mount support and portrait mode capability offer practical flexibility for varied installation configurations
  • Built-in stereo speakers rated at 2 x 10W provide functional onboard audio without requiring external equipment
Cons
  • The glossy panel with no anti-glare coating makes the screen susceptible to reflections in ambient light conditions
  • No adaptive synchronization support can lead to screen tearing during fast-moving or video content
  • Swivel adjustment is absent, limiting the ability to reposition the display horizontally once installed
  • USB Type-C is not available, restricting connectivity with newer devices that rely on this port
  • Color calibration is not supported, making the display unsuitable for color-sensitive professional workflows
  • The EU energy label of E indicates relatively high energy consumption for continuous or commercial use
Who is this for?

This monitor is a practical fit for commercial display and digital signage installations where a sharp, high-brightness UHD image needs to reach viewers across a wide area. The 103 ppi pixel density at 42.5 inches ensures a crisp picture even at closer viewing distances, and the 800 nits brightness paired with 178-degree viewing angles makes the screen readable from a broad range of positions. Built-in Wi-Fi 5 and Ethernet support make it well suited to networked deployment scenarios, while VESA mounting and portrait mode give installers meaningful flexibility in how the display is positioned.

Who is this NOT for?

The glossy panel without any anti-glare coating makes this monitor a poor choice for bright or reflective environments such as windowed offices or outdoor-facing spaces, where surface glare can significantly reduce usability. Users who need smooth visuals for gaming or fast-motion video will find the 60Hz refresh rate and absence of adaptive synchronization limiting. Additionally, the lack of color calibration support rules it out for photographers, video editors, or any professional workflow where display color accuracy is a requirement.

Display:

Display type IPS, LCD, LED-backlit
response time 8 ms
screen size 42.5"
resolution 3840 x 2160 px
pixel density 103 ppi
Adaptive synchronization None
has anti-glare coating ✕
refresh rate 60Hz
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º
has a matte panel ✕
has a glossy panel ✓
has a touch screen ✕

The display uses an IPS LCD panel with LED backlighting across a 42.5-inch screen, offering a 3840 x 2160 px resolution at 103 ppi — a pixel density that yields noticeably sharp imagery at this screen size. Viewing angles reach 178 degrees both horizontally and vertically, and the panel operates at 60Hz with an 8ms response time. The surface is glossy, with no matte finish or anti-glare coating present, and touch screen functionality and adaptive synchronization are not supported.

General info:

Type Standard
EU energy label E
supports total tilt ✓
Has a swivel stand ✕
Supports VESA mount ✓
height 557 mm
width 968 mm
thickness 54 mm
weight 8700 g
supports portrait mode ✓
maximum operating temperature 40 °C
lowest potential operating temperature 0 °C
volume 29115.504 cm³

This standard-type monitor measures 968 mm wide, 557 mm tall, and 54 mm thick, weighing 8700 g. It supports VESA mounting and portrait mode, and the stand allows for tilt adjustment, though swivel is not available. The unit is rated for operation between 0 °C and 40 °C and carries an EU energy label of E.

Colors:

brightness (typical) 800 nits
supports color calibration ✕
display colors 1070 million
bit depth 8-bit
contrast ratio 1200:1

The panel renders 1.07 billion colors at an 8-bit depth, with a typical brightness of 800 nits and a contrast ratio of 1200:1. Color calibration is not supported on this monitor.

Connectivity:

HDMI ports 2
supports Thunderbolt ✕
DisplayPort outputs 1
DisplayPort version DisplayPort 1.2
has a socket for a 3.5 mm audio jack ✓
has a DVI connector ✕
USB ports 2
Has USB Type-C ✕
HDMI version HDMI 2.0
supports Ethernet ✓
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
has AirPlay ✕
mini DisplayPort outputs 0
has a VGA connector ✕

Video connectivity is covered by two HDMI 2.0 ports and one DisplayPort 1.2 output, while DVI, VGA, mini DisplayPort, and Thunderbolt are not included. The monitor supports both Ethernet and Wi-Fi, with wireless covering Wi-Fi 5 (802.11ac) and Wi-Fi 4 (802.11n) for flexible network deployment. Two USB ports and a 3.5 mm audio jack are also available, though USB Type-C and AirPlay are not supported.

Power:

operating power consumption 51W
standby power consumption 0.5W

The monitor draws 51W during active operation, while standby power consumption reduces to just 0.5W.

Features:

has PiP ✕
has stereo speakers ✓
has built-in smart TV ✕
audio output power 2 x 10W
has a remote control ✕
supports Dolby Digital ✕
supports Dolby Digital Plus ✕
has DTS Surround ✕
has an ambient light sensor ✕
has a front camera ✕

The monitor comes with built-in stereo speakers outputting 2 x 10W, allowing it to handle basic audio needs without external devices. Dolby Digital, Dolby Digital Plus, and DTS Surround are not supported, and the unit lacks a remote control, ambient light sensor, front camera, PiP functionality, and smart TV capabilities.

Final Verdict

The iiyama ProLite LH4365UHSB-B1 is a commercially oriented 43-inch display that earns its place in networked signage and large-format installation settings, where its UHD resolution at 103 ppi combined with 800 nits brightness delivers a sharp and highly visible image across wide viewing angles. Built-in Wi-Fi, Ethernet, and flexible mounting options further support its role as a deployment-ready commercial screen. Its limitations — particularly the reflective glossy panel, absence of adaptive sync, and lack of color calibration — make it a poor match for environments or workflows beyond its intended use. For commercial integrators and installation professionals working in controlled settings, the LH4365UHSB-B1 offers a well-defined and capable specification that aligns clearly with its target market.