QNAP NAS TS-433-4G

CPU: ARM 4-core Cortex-A55 2.0GHz processor
CPU Architecture: 64-bit ARM
Graphic Processors: Mali-G52
System Memory: 4 GB on board (non-expandable)
Flash Memory: 4 GB (Dual boot OS protection)
Drive Bay: 4 x 3.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility: 3.5-inch SATA hard disk drives & 2.5-inch SATA solid state drives
Hot-swappable: Yes
Gigabit Ethernet Port (RJ45) : 1
2.5 Gigabit Ethernet Port (2.5G/1G/100M) : 1
Warranty 2 years