Installation instructions for installing the Sonnet Tempo-X eSATA 8 8-Port Serial ATA PCI-X Host Adapter Card into a supported Mac or Windows computer.
Yes, this is a great way to expand capacity and performance. If two or more Tempo-X, X4+4, X8, X4i, X4P, E4i, or E4P cards are installed to the same machine they must all have the same firmware version to avoid conflicts.