HotHardware.com evaluate the features and performance of Western Digital's Caviar RE2 750 GB hard drive. A quote from the article:

Western Digital's RE2 lineup is targeted at workstations and servers, which need lots of disk capacity along with top-notch RAID performance and long-life reliability. At its core, the RE2 lineup is identical to the SE16 lineup for the performance desktop, but the RE2 has a slightly different feature set, along with more robust MBTF (mean-time between failure) ratings and warranties. We test the drive standalone and in a dual-drive RAID 0 configuration. Head on over to the site and check it out...

>> Western Digital Caviar RE2 750GB HD Review