Additional Details ------------------------------ Product description: RAID5 eSATA 3Gbps External 2-port PCI-Express Card. The IOGEAR eSATA RAID5 eSATA 3Gbps External 2-port PCI-Express Card adds 2 external SATA ports to your desktop computer. It is great for users who want to add SATA connectivity to their computers but do not want to buy a whole new computer. Devices commonly used with this host adapter are hard drives DVD drives and Zip drives. The low profile design of this adapter makes it ideal for computers that have limited internal expansion space. The IOGEAR eSATA RAID5 eSATA 3Gbps External 2-port PCI-Express Card also supports multiple RAID (Redundant Array of Independent Drives) configurations. RAID can be designed to provide increased data reliability or increased I/O performance or both. The card supports RAID 5 0 1 10 JBOD setups. This card is designed to work on the high-bandwidth PCI-Express interface effectively quadrupling the amount of available computing bandwidth over the traditional PCI interface. IOGEAR'S PCI-Express SATA Cards support all Serial ATA features including 3.0Gbps SATA transfer speeds Native Command Queuing port multipliers with FIS-based switching programmable output signal swing strengths for longer external cables or extended backplanes hot plugging enclosure management and ATAPI device support.