[. . . ] SATA II ExpressCard 34 Two eSATA Ports for Fast SATA II Performance Quick and Easy Upgrade The LaCie SATA II ExpressCard 34* enables you to affordably upgrade your PC or Mac® laptop to fast SATA II connectivity, which boasts an extremely rapid interface transfer rate of up to 3Gbits/s. [. . . ] Due to its performance, reliability, scalability and cost-effectiveness, SATA can optimize a wide-range of solutions, from desktop to network storage. Multiple Connections Perfect for connecting your laptop to your LaCie d2 Quadra and all other eSATA hard disk drives, this card is also compatible with port multiplier devices like the LaCie 2big Quadra and with nonLaCie eSATA devices. In addition, it's backward compliant with SATA I (at SATA I performance). Broad Compatibility Whether you use a PC or Mac computer, the LaCie SATA II ExpressCard 34 brings the impressive speed of this advanced interface to your system. It's compatible with computers running on Windows® XP Vista®, or 7 or Mac OS X 10. 5 or higher. , · Add two eSATA ports to your PC/Mac laptop · Upgrade to SATA II performance affordably · Compatible with port multiplier devices · Hot plug/unplug hardware support SATA II ExpressCard 34 Features · Fast interface transfer rate: up to 3Gbits/s · Plug & play · PC/Mac compatible · SATA hot plug/unplug hardware support · Compliant with ExpressCard 34 and 54 slots · Backward compatible with SATA 1 · Supports hard drives with NCQ Box Content · LaCie SATA II ExpressCard 34 · Drivers on CD-ROM (PC and Mac) · User Manual on CD-ROM Minimum System Requirements · PC or Mac laptop with a ExpressCard 34 or 54 slot · Latest version of Windows XP Windows Vista, Windows 7 / , Mac OS X 10. 5, 10. 6 Item Number Interface Max Interface Transfer Rates Hardware Compatibility 130783 2 external eSATA II ports up to 3Gbits/s ExpressCard 34 and 54 Type II standard 1-Lane (x1) PCI-Express with up to 2. 5Gbits/s throughput SATA I (1. 5Gbits/s) backward compatible NCQ (Native Command Queuing) 34 x 112 x 21 mm / 1. 3 x 4. 4 x . 8 in. [. . . ] Specifications and appearance are given as guidelines and are subject to change without notice. [. . . ]