Anandtech reviewed the WD My Passport 5TB DAS
A quote from the article:
Cost-conscious consumers with bulk storage requirements need to rely on hard drives. On the portable front, HDD vendors have been using 2.5" drives in external bus-powered enclosures to serve the market. Seagate was the first vendor to put out a 5TB portable bus-powered drive, and Western Digital recently introduced a slew of 5TB models of their own. Similar to Seagate, Western Digital has also adopted SMR platters for their portable hard drives over the last couple of generations. Today, we take a look at features and characteristics of the WD 5TB My Passport Portable External Hard Drive.WD My Passport 5TB DAS Review