The WD Red Pro hard drives have been specially developed for medium-sized or large business customers and are available for NAS systems with up to 24 drive bays. Designed for high-intensity workloads in 24x7 environments, the WD Red Pro family is ideal for archiving and sharing content as well as building RAID arrays in advanced operating systems such as ZFS and other file systems. These hard drives increase efficiency by enabling your employees to quickly share files and reliably back up folders in your NAS solution. Designed for optimal NAS compatibility - WD Red Pro drives with NASware technology simplify drive selection. This unique algorithm is optimised for NAS systems and provides the right balance of performance and reliability in NAS and RAID environments. In short: WD Red Pro is the hard drive with the highest compatibility for NAS enclosures.