General Specifications CPU Frequency: 1.06GHz Floating Point: Yes Memory Bus: 64bit@DDR533 Memory: 512MB Internal HDD: 3.5" SATA(II) X4 or 2.5" SATA/SSD X4 Size (HxWxD): 168mm X 184mm X 230mm External HDD Interface: USB 2.0 port X2, eSATA port X1 Weight: 2.23kg LAN: Gigabit X1 Wireless Support Hardware Encryption Engine Wake on LAN/WAN Noise Level: 21.9 dB(A) Power Recovery AC Input Power Voltage: 100V to 240V Power Frequency: 50Hz to 60Hz, Single Phase Power Consumption 56W(Access); 20W(HDDHibernation) Operating Temperature: 5°C to 35°C (40°F to 95°F) Storage Temperature: -10°C to 70°C (15°F to 155°F)