Freecom FSG-3 Storage Gateway 500GB Router + USB Server+S-ATA, FSG-3. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: EIDE/ATA. Flash memory: 4 MB. Processor family: Intel, Processor model: ARM9, Processor clock speed: 266 MHz. Supported network protocols: fixed IP, FTP, Secure Shell, Networking features: DHCP Server & Client. Power requirements: 100 - 220 V, 12 V - 4 A