Highest Power in the table: Delclynee 15 × 15 in High Pressure (1,250 W in the bullets, 1,400 W in the table).
What use this one answers, among workshop machines
A hobbyist who wants to try mugs, hats and shirts without several machines.
Sources
Specifications: the manufacturer sheet for maker machines and tools and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.