QNAP TS-459 PRO II. Maximum capacity: 2 TB, RAID levels: 0, 1, 5, 6, 10, Hard drive interface: Serial ATA 3. Memory type: DDR3, Internal memory: 1024 MB, Flash memory: 512 MB. Processor family: Intel Atom, Processor model: D525, Processor clock speed: 1800 MHz. Supported network protocols: TCP/IP, Networking features: Gigabit Ethernet, Cabling technology: 10/100/1000 BASE-T(X). Security algorithms supported: SSH, HTTPS