DS1825neo+ | RAID support Yes | Internal memory 4 GB | Ethernet LAN Yes | USB port Yes | 2xEthernet LAN (RJ-45) ports | Type NAS | Backup function Yes | Operating system installed Synology DSM | Weight 6 kg | Operating temperature (T-T) 0 - 40 °C
SSD series SNV3400 | 400 GB | M.2 | PCI Express 3.0 | NVMe Yes | Component for NAS | Write speed 750 MB/s | Read speed 3000 MB/s | Mean time between failures (MTBF) 1800000 h | Operating temperature (T-T) 0 - 70 °C | Weight 0.03 kg
RS422+ | RAID support Yes | Internal memory 2 GB | Ethernet LAN Yes | USB port Yes | 2xEthernet LAN (RJ-45) ports | Type NAS | Backup function Yes | Operating system installed DSM | Weight 4.38 kg | Operating temperature (T-T) 0 - 35 °C | Weight 4.38 kg
DS925+ | Storage drive interface M.2,Serial ATA | RAID support Yes | Internal memory 4 GB | Ethernet LAN Yes | USB port Yes | 2xEthernet LAN (RJ-45) ports | Type NAS | Backup function Yes | Weight 2.26 kg | Operating temperature (T-T) 0 - 40 °C | Weight 2.26 kg