CPU AnnapurnaLabs, an Amazon company Alpine AL314, 4-core, 1.7GHz CPU Architecture 32-bit ARM Floating Point Unit Yes Encryption Engine Yes System Memory 2GB SO-DIMM DDR3 Maximum Memory 8GB DDR3 Memory Slot 1 x SO-DIMM DDR3 Flash Memory 512 MB (Dual boot OS protection) Drive Bay 2 x 3.5-inch SATA 6Gb/s, 3Gb/s Drive Compatibility 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives Hot-swappable Yes SSD Cache Acceleration Support Yes Gigabit Ethernet Port (RJ45) 1 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 1 Jumbo Frame Yes USB 3.2 Gen 1 port 3 Form Factor Tower LED Indicators Power, Status, LAN, USB, HDD1-2 Buttons Power, Reset, USB Auto Copy Operating temperature 0 - 40 oC (32oF - 104oF)