Qnap TS-453B-4G SMB Mid Range NAS
CPU: Intel® Celeron® J3455 quad-core 1.5 GHz, up to 2.3 GHz
DRAM: 4GB DDR3 RAM
HDD: 4 x 3.5 or 2.5" SATA/SSD - Hot-Swap
LAN Port: 2 x Gigabit RJ-45 Ethernet port
LED Indicators: Status/Power, LAN, USB, Drives, SD card
USB: 5 x USB 3.0 Type-A ports, USB Type-C
Buttons: Power, USB copy, Reset, Capacitive touch buttons
Form Factor: Tower