iiyama LH9875UHS-B2AG 98-inch 4K commercial display

It suits a very large screen going into an established environment: an atrium, a concourse, a showroom, a large canteen, a control or operations room, or a presentation space already fed from a rack. The DVI input and the OPS PC slot are the giveaways: this is a display specified by people who already have sources and IT policies in place and need the screen to fit them, rather than a self-contained signage panel bought on its own.

It weighs 77.8kg on its own and 102.6kg in its packaging, and measures 2204.9mm wide by 1260.4mm high and 101.7mm deep. That is the heaviest display in this range by a wide margin and it is not a two-person job. Plan for four people or lifting equipment, a measured delivery route, and a wall assessment by someone qualified before the order rather than after it.

Solid masonry or concrete, or a steel-framed wall with a backing plate designed in and signed off. A plasterboard or lightly framed partition cannot carry 77.8kg plus a bracket at this width and leverage. Have the fixings specified for the actual wall construction, and choose a bracket that matches the mounting pattern in the specification table on this page with a load rating comfortably above the panel weight.

It takes a plug-in PC module built to the Open Pluggable Specification, which slides into the back of the display and gives you a full PC behind the screen with no separate box or extra cabling. It is the usual answer when the content has to run on a managed Windows machine on the corporate domain rather than on the display's own Android system. The module is not included and is ordered separately.

Not necessarily. Android 11 is built in on 4GB of memory and 32GB of storage, with iiSignage2 content management, iiControl device management, iiShare and EShare wireless sharing and FailOver input recovery, plus a micro SD card slot for local content. If you would rather not use it, the OPS slot, three HDMI 2.0 inputs, DisplayPort 1.4 and DVI give you several ways to drive the screen from elsewhere.

Because it is often specified as a replacement for an ageing large screen on an existing installation. A DVI run already in the wall, an older matrix output or a legacy PC can connect without re-cabling. It is limited to 1920 x 1080, so treat it as a compatibility path rather than the way to feed the panel: use HDMI or DisplayPort for 4K at 60Hz.

Not for direct daylight on the screen. At 500 cd/m2 it is the standard indoor signage level, which is right for a foyer, an atrium away from the glass, a canteen, a showroom or a concourse interior. A fully glazed frontage with sun falling on the panel calls for the high-brightness tier at around 800 cd/m2. Measure the light at the actual position first.

Around 173W in typical use, 0.5W in standby and 0.3W switched off, at energy class F. For a 98-inch panel that is a modest figure, and it is well under half the 388W drawn by the 98-inch LE9864UHS-B1AG alongside it. On a screen rated to run continuously that difference is worth costing out across the year.

Yes. iiyama rates it for 24/7 non-stop operation with a 50,000 hour MTBF figure, it is fanless so it adds no noise, and it has anti image retention for layouts with a fixed logo, header or sidebar. The operating temperature range is 0 to 40C, which is worth checking in a glazed atrium or any position where the air around the panel does not move.

Both are 98-inch 4K displays at 500 cd/m2, rated 24/7, fanless and in metal housings. This one has the IPS panel at 1200:1 with a wider usable viewing angle, the OPS PC slot, DVI and DisplayPort alongside three HDMI inputs, 2 x 16W speakers and a 173W typical draw, but it weighs 77.8kg. The LE9864UHS-B1AG has a VA panel at 5000:1 for deeper blacks in a dim space, a newer Android build with a fuller management set, a USB-C input, 2 x 10W speakers and a much easier 61kg install, but it draws 388W and mounts one way round only. Decide on the install and the sources first, then the panel.