Via cnet:
Seagate claims that its all new family of hard drives offers the lowest power consumption and record-setting for any tier-two enterprise
applications.The Constellation family, as it’s called, includes two models: the 2.5-inch Constellation and the 3.5-inch
Constellation ES. Both drives also include PowerChoice from Seagate, which decreases power
consumption by up to 54 percent, arguably the highest in the industry.According to Seagate, the PowerChoice technology is designed to deliver the power-reduction savings
without sacri?cing performance and data integrity. In addition, the Constellation family features
enterprise-grade reliability and is rated at a full 1.2 million hours of mean time between failures.