StorageReview published a review on the Seagate Exos X26z
A quote from the article:
The Seagate Exos X26z is a host-managed SMR hard drive, created exclusively for Seagate's largest customers who control their stacks and can take advantage of these specialized, high-capacity drives. A word of warning though, don't try this at home!Seagate Exos X26z Review