Processor 4-core ARM Cortex-A55 2.0GHz processor CPU Architecture 64-bit ARM Graphics processors Mali-G52 System memory 2 GB of internal memory (without expandability) Maximum memory 2 GB of internal memory (without expandability) Flash memory 4 GB (dual-boot OS protection) Drive Bay 2 3.5-inch SATA ports, 6 Gbit/s, 3 Gbit/s Drive compatibility 3.5-inch SATA hard drives 2.5-inch SATA solid-state drive Gigabit Ethernet (RJ45) Port 1 Wake up on a local network (WOL) Jumbo Frame USB 2.0 port 2 1st Generation USB 3.2 port 1 The shape factor Tower LED indicators System Status, LAN, USB, HDD1~2 Buttons Power, Reset, Copy via USB Dimensions (HxWxD) 186×91.7×157.6 mm