This 4th generation 7200-RPM drive with its’ 2TB capacity is a perfect fit for the data-hungry organization that needs to house up to 76TB of data in every square foot of floor space in their data center or data closet and doing so without breaking the bank.
The 3.5-inch Seagate® Constellation™ ES drive enables cost-effective, highly efficient storage with the highest capacities, best-in-class reliability, leading 6Gb/s performance, optimized power and cooling, and government-grade security, all backed by Seagate’s enterprise service and support. With the lowest power consumption and highest temperature tolerance, the Constellation ES drive optimizes chassis performance in tiered storage solutions. It is the only drive on the market offering a choice of traditional Enterprise SATA 3Gb/s interface for seamless integration, or the industry-leading 6Gb/s SAS interface for a more reliable, scalable and sustainable high-performance enterprise solution.
UMLan gives it 9 out of 10 award stars for it’s high capacity, vibration tolerance, government-approved encryption, PowerChoice low power options and great transfer speeds. http://umlan.com/reviews/hardware/h109.html 
And LANOC gave it an 8 out of 10 award stars stating “It Outperforms the Velociraptor by almost 20mb/s on maximum read performance, and with 2TB of space it puts the 300GB capacity of the Velociraptor to shame. So, for once you can have your cake and eat it too.”
http://lanoc.org/review/hardware/storage/2204-seagate-constellation-2tb-hard-drive
Kudos to the team that delivered the biggest, brightest star on the horizon for enterprise storage.
Hello Rolo,
My apologies for your problems with the Constellation drive. Please see this website for information on how to return or replace the drive. The warranty on this drive is 5 years, so you should have no issues. http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=202271
Please let me know if there is anything else we can help with.