Synology DiskStation: DS920+ 4-Bay NAS Enclosure $440, DS220 2-Bay NAS Enclosure

2 x 3.5/2.5" SATA HDD/SSD Drive Bays
2.0 GHz Intel Celeron J4025 Dual-Core
2GB DDR4 RAM
2 x Gigabit Ethernet Ports
2 x USB 3.0 Type-A Ports
RAID 0, 1, Basic, Hybrid, and JBOD
Sequential Reads up to 225.98 MB/s
Sequential Writes up to 192.21 MB/s
AES-NI Hardware Encryption Engine
Synology DiskStation Manager OS