A customer-supplied USB hard drive or network attached storage (NAS) of equal or greater capacity than the internal system hard disk drives
32-bit Windows© XP and XP Pro (Service Pack 2 or Service Pack 3), 32-bit or 64-bit Windows Vista® (Home Basic, Home Premium, Business, and Ultimate), 32-bit or 64-bit Windows® 7 (All Editions)
CD-ROM disk drive
NTFS-formatted, non-RAID system disk drive
Pentium 4+ or AMD Athlon+ processor and 2 GB of RAM Memory