Key Benefits • High-performance interface for connecting four internal SATA drives inside your computer • Supports Mac OS® X, Windows 7 (Professional or Ultimate), Windows Vista (Enterprise or Ultimate), Windows XP Pro, Windows Server 2008 R2, Windows Server 2008, and Windows Server 2003 RAID features • 3 Gb/s per port SATA II controller • Native PCI Express (PCIe) x4 host bus interface for high-performance applications • Spread Spectrum Clocking (SSC) support for compatibility with all SATA drives • Supports hard drive hot-swapping You'll Feel SATAsfied Inside! Do your storage needs outweigh what your new dual-core Power Mac® G5 can support? Stuff it—with drives, that is! Sonnet's Tempo™ SATA E4i 4-port Serial ATA Host Controller for PCI Express enables you to connect up to 4 additional internal drives for the perfect balance of flexible expandability and superior performance. This card is an ideal companion to our G5 Jive™ internal drive mount system for Power Mac G5 computers—along with your SATA drives, this combination is the most cost effective way for adding up to 4 Terabytes of high-performance capacity to your G5. Mac & PC Compatibility For complete Mac and PC compatibility list, visit product's webpage.