The French Knoppix site, http://knoppixfr.tuxfamily.org/, has translated their hardware database into english: http://knoppixfr.tuxfamily.org/index.php?page=hardware There are not a lot of listings yet, and the site surely doesn't reflect the large amount of hardware that works under knoppix, but hopefully it will grow.
Dell OptiPlex 3060 MICRO DESKTOP PC COMPUTER I5 8TH GEN UP TO 32GB UP TO 2TB M.2
$295.00
HP PRODESK 600 G5 MT | INTEL CORE I7-9700 3.00GHZ | 256GB | 32GB | NO OS
$144.99
Lenovo IdeaCentre 3 07IRB8 Desktop Intel Core i5-13400 16GB 512GB SSD W11H
$349.99
Dell 15.6" NVIDIA Gaming Laptop - Intel Quad Core i7 64GB RAM 2TB SSD Windows 11
$446.00
24" APPLE iMAC M1 4.5K RETINA 1TB SSD 16GB RAM 8-CORE 8-CORE GPU GREEN TOUCH ID
$1395.00
Dell Inspiron 142-in-1 Touch Laptop Intel Core 5 Processor 8GB Memory...
$549.99
AMD Ryzen 7 7800X3D 8-Core - 16-Thread 4.2 GHz (5.0 GHz Max Boost) Socket A...
$304.95
HP - 17.3" Full HD Laptop - Intel Core i3 - 8GB Memory - 256GB SSD - Natural ...
$369.99
AMD Ryzen 7 5800X 8-Core 4.7GHz 16-Threads PCIe 4.0 Processor 100-100000063WF
$149.99
New HP 24" All In One Desktop Computer 11th Gen i3 Up To 32GB RAM 2TB SSD Win 11
$499.99