Synology FS3017 Network Storage Port RJ-45: 2 x 10/100/1000M Port USB: 2 x USB3.0 HDD Interface: 24 x 2.5 SAS SSD / HDD or SATA SSD Port Others: x16 slot x 1 (16-lane) x8 slot x 1 (8-lane) 10GbE / 25GbE / 40GbE network interface cards support Processor: 2 x Intel Xeon E5-2620 six-core 2.4 GHz Default/ Max. Memory: 64 GB DDR4-2133 ECC RDIMM, expandable up to 512 GB Supported Protocols: CIFS, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN , L2TP) Power: AC input power voltage: 100V to 240V AC Power frequency: 47 to 63Hz, single phase