NAS 1TB Hot-Swappable HDD for 200rL Series eSATA PCI Card Required (not included) In the box - Iomega Desktop Hard Drive eSATA Cable USB Cable Power Cord Quick Install Guide HTML User Manual and Help Files Trend Micro Internet Security - 1-year Free via download System Requirements - eSATA PCI Card required (not included) Preformatted NTFS Compatible with PC and Mac 8MB or higher Cache Buffer PC - Pentium II-class or equivalent processor or higher Available USB connection (USB 2.0 host connection or controller for USB 2.0 speeds) Microsoft Windows Vista / 2000 Professional / XP Home / XP Professional / XP Professional x64 256MB RAM or more as required by operating system Mac - Mac PowerPC G3 or Intel Core Duo processor Mac OS X, version 10.2 or higher Built-in USB connection (USB 2.0 host connection or controller for USB 2.0 speeds) 128MB RAM or higher as required by operating system Unit Dimensions - 7.818 L x 4.748 W x 1.22 H Manufacturer's 3-year limited warranty w/ product registration