ViewSonic VA1655 15.6 Inch | 1920x1080 | IPS Panel | Portable Monitor | Mobile Ergonomics | USB-C | HDMI
Top tablets with HDMI connections - CNET
Amazon.com : Tablet 10 Inch, 8G RAM 128G ROM, 10 inch Android Tablet, Octa Core Processor, IPS HD Touch Screen, Micro HDMI, Front 5MP and Rear 13MP, 2.4Ghz & 5Ghz WiFi Tablet
Lenovo 13" Android Tablet with HDMI input announced- Pricey for primarily DeX-use, but I wish more products had this : r/SamsungDex
Amazon.com: j5create Adjustable Tablet Stand with USB Type C Docking Station for iPad Pro/Air/Mini : 4K60 HDMI, 2 x USB-A 5Gbps, 100W PD Charging, microSD/SD Card Reader, 3.5mm Audio Jack (JTS224) :
Buy Wholesale China 7 Inch Android Tablet Pc,3g Built In,with Hdmi Output & 7 Inch Android Tablet Pc,3g Built In,with Hdmi Output at USD 100 | Global Sources
Venturer Elite2 11.6" HD Quad Core Laptop Tablet PC 2GB RAM 32GB Windows 10 HDMI | eBay
Amazon.com : Fusion5 10" Windows 11 Pro FWIN232 Plus S1 Ultra Slim Windows Tablet PC - (4GB RAM, USB 3.0, Micro HDMI, Intel Quad-Core CPU, IPS HD Display, 5MP and 2MP Cameras,
Lenovo Yoga Tab 13 is an Android tablet with HDMI input (Use it as a portable display) - Liliputing
Rugged Tablet PC Android HDMI IP65 Waterproof Fingerprint Reader UHF RFID
Micro HDMI-compatible to HDMI-compatible Cable for ACER ICONIA Tab A100 Tablet to TV LCD HDTV
That Lenovo tablet with HDMI input is official, and it's a monster media machine