Sonnet Tempo SATA E2P is versatile. It supports the RAID features of Mac OS X, Windows 7, Windows Vista and Windows XP. It also supports hot-swapping of drives under Mac OS X. Installation is simple-just plug in the card to any available PCI Express (PCIe) slot, start your computer and install a driver. When you need to add flexible, portable storage to your setup, Tempo SATA E2P gets you connected.