Asus has shown off its new ExpertCenter PN54-S1 mini-PC. As its name suggests, the ExpertCenter PN54-S1 is a watered-down version of the ExpertCenter PN54 mini-PC, which we have already reviewed in detail. The ExpertCenter PN54-S1 can be configured with an AMD Ryzen 7 260, Ryzen 5 220 or Ryzen 5 210 CPU. The mini-PC only supports Windows 11 Pro and Windows 12 Home. Lastly, the ExpertCenter PN54-S1 measures 130 mm x 130 mm x 34 mm and weighs 0.55 kg.