Keep your hard-working system as quiet and distraction-free as possible with this StarTech.com Power Supply. The ATXPOW480HS gives your system components 480 Watts of clean, reliable power, while its large whisper-quiet 12cm fan silently keeps your system cool. The ATXPOW480HS is guaranteed compatible with high-end Intel and AMD processors and is designed for an extra long-life in personal and industrial environments. Its smart 12 cm ball-bearing fan automatically adjusts speed to stay as quiet as possible, while maintaining optimum cooling. The ATXPOW480HS comes Serial ATA ready with two SATA connectors.