I am planning to put all data in one place, for backup purposes. The conditions are: minimum power consumption (MOST IMPORTANT) about 3 TB space (probably RAID 1 or RAID 5) remote and mobile access The Cloud is not an option I am confused by the diversity of options. Since minimum power is crucial, I started considering building a home server around a fanless processor like VIA Eden® ULV Fanless. I have 2 questions: Is it possible to build a home server with a fanless ULV processor? Which processor would you recommend? Such a home server would require at least 2 or 3 SATA HDDs to achieve 3TB disk space. What is the specification of such a home server: motherboard, PSU, HDD, RAID controller (yes/no?), system SSD (yes/no?), OS: FreeNAS / OpenFiler? On the other hand there are a number of NAS stations designed for this purpose like the Buffalo NAS System and WD MyCloud solutions. Modern NAS systems meet all conditions, but I have a Question: Is the power consumption of a NAS system far more than or compatible with a low power home server described above? Finally: What is your advice: home server around a ULV processor or a NAS system?