Sonnet Tempo SATA 6 GB x1 PCIe 2.0 Card (2-External Ports) TSATAIII-E2-E2 Affordable solution for adding two 6Gb/s eSATA ports to your Mac Pro or desktop PC with PCI Express 2.0 slots Supports single SATA drive enclosures and multi-bay SATA drive enclosures with hardware RAID controllers AHCI compliant-no drivers to install Supports up to 8 disk drives Supports drive hot-swapping Affordable solution for adding two 6Gb/s eSATA ports to your Mac Pro or desktop PC with PCI Express 2.0 slots Supports single SATA drive enclosures and multi-bay SATA drive enclosures with hardware RAID controllers AHCI compliant-no drivers to install Supports up to 8 disk drives Supports drive hot-swapping Supports Sonnet-exclusive locking eSATA data cables