SMART 430W (model: SP-430AH2NH) power supply can operate efficiently even in the higher temperatures found in the computer chassis. Robust and dedicated +12V rail delivers up to 34A to ensure your components get the power they need whenever they demand it. 80 PLUS certified: with 82-86% efficiency allows the SMART Series power supply to deliver full power while also saving cost on your utility bill. Ultra-silent operation with intelligent 12cm cooling fan with active speed control to ensure even under the heaviest load the SMART Series power supply will stay cool and stable. Built in industrial-grade protections: Over Current, Over Voltage, Over Power and Short-Circuit protections ensures that your components have many safeguards against possible power problems that could otherwise damage your expensive hardware. Dimension: 150mm(W)x86mm(H)x140mm(L). Connectors: main power connector (24Pin) x 1; ATX 12V (4+4Pin) x 1; peripheral (4Pin) x 4; FDD (4Pin x) 1; SATA (5Pin) x 5; PCI-E (6+2Pin) x 1. Other Specifications: max. output capacity: 430W, peak output capacity: 500W.