Nas Zyxel NAS542 (4 HDD) 2xGb LAN

CPU: FreeScale Dual Core Cortex-A9 1.2 GHz
Memory: DDR3 1 G
Four 2.5" or 3.5" SATA II hard disk the max support up to 64 TB (16 TB x4)
Hot swappable HDD support
Two Gigabit Ethernet RJ-45 connectors
Three USB 3.0 ports
One SDXC card read (Up to 128 GB)
Buttons:
Power button
Copy/Sync button
Reset button
Smart fan design
Power consumption:
Access mode: 36.5 watt (Max)
Hard disk spin-down mode: 14.8 watt
Power:
Input: 100 - 240 V AC, 50/60 Hz
Output: 19 V DC, 4.74 A

https://www.zyxel.com/hu/hu/products_services/4-Bay-Personal-Cloud-Storage-NAS542/