Synology 4-bay DiskStation DS423 (Diskless)

Synology 4-bay DiskStation DS423 (Diskless) Form Factor: 4-Bay Supported Protocols: SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN™, L2TP) Processor: Realtek RTD1619B Installed Memory: 2 GB DDR4 Temperature: Operating environment Temperature: 0°C to 40°C (32°F to 104°F) Storage environment Temperature: -20°C to 60°C (-5°F to 140°F) Humidity: Operating environment Relative humidity: 8% to 80% RH Storage environment Relative humidity: 8% to 80% RH Dimensions: 184 x 168 x 230 mm Weight: 2.21 kg