AMPERE II 1200W / 1000W / 850W, unique cover design offering strong stability and efficient ventilation for optimal cooling, smart start-stop fan, PCIe Gen 5.1, Intel ATX 3.1 standard. AMPERE SERIES 1200W / 1000W / 850W, the 80 PLUS® Platinum certification guarantees, smart start-stop fan, Intel ATX 3.1 standards, PCIe Gen 5.1 Ready (12V-2×6 connector 600W). CRATOS LITE 1000W / 850W / 650W, unique cover design offering strong stability and efficient ventilation for optimal cooling, smart start-stop fan, PCIe Gen 5.1, Intel ATX 3.1 standard. CRATOS SERIES 1200W / 1000W / 850W, smart start-stop fan, Intel ATX 3.1 standard, PCIe Gen 5.1 Ready (12V-2×6 connector 600W), Japanese capacitors offer high-temperature resistance. ERMIS EVO 850W / 750W / 650W, Intel ATX 3.1 standards, DC-to-DC conversion circuit for higher efficiency and tight voltage regulation even under heavy cross-loading conditions. ERMIS 550B/450B 550W / 450W, SFX power supply, 80 PLUS BRONZE Certified and Intel C6/C7 States Ready.