I just purchased an iXsystems TrueNAS Mini X to replace my 5 year old Synology RAID box. There were a lot of reasons for this; here are the biggest ones. TrueNAS is based on FreeBSD; Synology is based on Linux. FreeBSD is a more stable OS, and is better designed. TrueNAS supports the ZFS file system; Synology doesn’t. ZFS is