Sonnet Technologies ENC-G5-3HD Hard Drive Mounting Kit Supports mounting of three Serial ATA hard drives(1) inside Power Mac G5 Most cost-effective way to add high-performance storage capacity Includes all necessary mounting hardware and cables (SATA host controller card, such as Tempo SATA E4i or Tempo SATA X4; sold separately) Custom-designed 3-drive power cable simplifies installation and reduces clutter Installation does not interfere with PCI cards