Sonnet"s Tempo Serial ATA PCI adapter card enables you to connect the latest Serial ATA (SATA) and parallel* hard drives to your older Macintosh computer. Take advantage of the higher data transfer rates and improved cabling performance that SATA offers. Watch your data fly at up to 1.5 Gbps without sacrificing integrity! Just install this card into your PCI slot and make the switch to Serial ATA.* IDE to Serial ATA converter required for parallel ATA drives and ATAPI devices.