The LaCie 130823 eSATA PCI Card is easy to install and is even driver-free on the MacOS! And since it¿s hot pluggable, there¿s no need to restart your computer when you plug a new eSATA device into it, you¿ll be able to use the card as soon as you plug it in. Just find an available PCI slot, and you can instantly put the eSATA PCI Card to work. Add the LaCie eSATA PCI Card for instant connectivity to your eSATA peripherals. The LaCie eSATA PCI Card Design by Sismo features two external eSATA connectors, and can run at speeds of up to 1.5 Gbits/s, making it the best interface choice for professionals who demand high speeds. The LaCie eSATA PCI Card Design by Sismo supports all eSATA devices (SATA I and SATA II). This versatile card has a 32-bits PCI form factor for superior compatibility with all motherboard sizes. Under Mac OSX and under Windows OS, the card supports RAID 0 and RAID 1 for data protection, making it ideal for users who need fast, efficient, and reliable backup of their data. Choosing RAID 0 offers maximum speed and capacity during data backup, while RAID 1 helps provide maximum data safety by writing data twice. With the LaCie eSATA PCI Card, it¿s your choice. Created in collaboration with design firm Sismo, the LaCie eSATA PCI Card features an anti-static handle that provides protection and safety against electrostatic discharge that can damage your card, storage device, or even computer. Its unique, exclusive design shows a commitment both to form and function. System Requirements: PC or Mac with a PCI slot (32bits/33MHz), Windows 2000, Windows Server 2003, Windows XP (32/64bit), Windows Vista (32/64bit), Mac OS X 10.2.8 or higher, 128MB RAM minimum, Driver-free for Mac OS.