Exciting times! Wow – there are so many new features in the Dell PS Series storage product line right now! We’re talking: Dell has recently released the latest and greatest version of PS Series Firmware – version 8. What’s new with Dell PS Series Firmware v8? I’m glad you asked! In a Dell PS Series group, snapshots and replicas can be used to protect and recover data. Snapshots and replicas require available disk space to operate successfully: snapshot reserve and replica reserve.