WDintroduced new datacenter hard drives that deliver to today's modern datacenter architects the lowest power consumption of any high-capacity 3.5-inch hard drive available today. ... WQD Energy-efficient WD Re+ Hard Drive
Love these HDDs, Using the WD RE 4TBs in my data server, and also in my NAS, using 8 of them, and haven't had a single issue, and performance is way better then the WD reds aswell.