Synology RS3617xs Diskless System Network Storage Port RJ-45: 4 x 10/100/1000M Port USB: 2 x USB3.0 + 2 x USB2.0 HDD Interface: 12 x SATA (12 x Bay) Processor: Intel Xeon E3-1230v2 quad-core 3.3 GHz Default/ Max. Memory: 4GB Supported Protocols: SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP) Power: Frequency: 50/60 HZ, Single Phase Power Supply: 500W Power Consumption: 140.7W (Access) 56.7W (HDD Hibernation) Temperature: Operating Temperature: 5 degree C to 35 degree C (40 degree F to 95 degree F) Storage Temperature: -20 degree C to 60 degree C (-5 degree F to 140 degree F)