External Hard Drives Comparisons

External hard drive and price*	Interface, other capacities	External hard drive features
Comparison Chart - External Hard Drives
Seagate FreeAgent Pro Where to Buy 320 GB (*est. $150)	USB 2.0 and eSATA: 320 GB (est. $150), 500 GB (est. 165), 750 GB (est. $240). USB 2.0, eSATA, and FireWire 400: 320 GB (est. $155) 500 GB (est. $170) 750 GB (est. $255)	Desktop external hard drive. AC power adapter. FreeAgent software, USB 2.0 cable, FireWire cable. 7,200 RPM. Five-year limited warranty. Windows: available USB port; Windows Vista, Windows 2000 Professional, XP Professional, or XP Home Edition. Macintosh: available USB port; Power PC G3, G4, or G5 processor running OS X 10.3.9 (or higher), or Intel Core Duo or Core Solo processor running OS X 10.4.6 (or higher).
Seagate FreeAgent Go Where to Buy 120 GB (*est. $105)	USB 2.0 80 GB (est. $85) 120 GB (est. $105) 160 GB (*est. $120)	Portable hard drive. FreeAgent software, USB 2.0 cable. 5,400 RPM. Powered through USB port. Five-year limited warranty. Windows: available USB port; Windows Vista, Windows 2000 Professional, XP Professional, or XP Home Edition. Macintosh: available USB port; Power PC G3, G4, or G5 processor running OS X 10.3.9 (or higher), or Intel Core Duo or Core Solo processor running OS X 10.4.6 (or higher).
HP Media Vault MV2020 Where to Buy 500 GB (*est. $350)	Ethernet. 3 port USB 2.0 hub. 300 GB (MV2010, *est. $250)	Runs on network to back up multiple computers. Wireless media streaming to UPnP wireless adapters. Built-in print server. 7,200 RPM. Empty bay for additional capacity or Raid 1 array (1.2 TB maximum storage capacity). PC Requirements: Pentium III, 500 MHz equivalent processor or higher, Internet Explorer 6.0, Netscape 7.0, Firefox 1.0 or Safari 2.0.1, or greater. Windows 2000/XP/Media Center/Vista, 128 MB RAM. Macintosh (file sharing only): Mac OS 10 and higher, 128 MB RAM.