The Synology DS620slim is one of the most compact NAS servers available today. It supports up to six HDD/SSDs for plenty of storage if you equip it with large-capacity drives. We measured power consumption to be low, and the same goes for its operating noise.
Compact dimensions; Increased capacity because of six drive bays; Low power consumption; Quiet operation; Btrfs filesystem support (besides EXT4; Great operating system (DSM OS; Two Gigabit Ethernet ports; Ability to skip disk checking during RAID setup (only in RAID 0; 1; and 10; SSD caching and...
No HDMI and Thunderbolt 3 ports; A stronger CPU could offer better performance in multi-client scenarios; Plastic HDD trays have no anti-vibration materials; You cannot format an external disk into NTFS (but NTFS disks are recognized properly