Synology DiskStation DS423+
| Specifications | Descriptions |
|---|---|
| SKU | Synology DiskStation DS1821+ |
| CPU | AMD RyzenTM V1500B quad-core 2.2 GHz |
| Memory | 4 GB DDR4 ECC SODIMM (expandable up to 32 GB) |
| Compatible drive types | • 8 x 3.5" or 2.5" SATA HDD/SSD (drives not included) • 2 x M.2 2280 NVMe SSD (drives not included) |
| Hot swappable drives | YES |
| External ports | • 4 x USB 3.2 Gen 1 • 2 x eSATA |
| Form factor | Desktop |
| Size (HxWxD) | 166 x 343 x 243 mm |
| Weight | 6.0 kg |
| LAN ports | 4 x 1GbE RJ45 |
| Wake on LAN/WAN | Yes |
| Scheduled power on/off | Yes |
| System fans | 1 x (92 x 92 x 25 mm) |
| AC input power voltage | 100 V to 240 V AC |
| Power frequency | 50/60 Hz, single phase |
| Operating environment | • Temperature: 0°C to 40°C 32°F to 104°F • Relative humidity: 8% to 80% RH |
| Storage environment | • Temperature: -20°C to 60°C 5°F to 140°F • Relative humidity: 5% to 95% RH |
| Maximum operating altitude | 5,000 m (16,400 ft) |
| Networking protocols | SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN PPTP, OpenVPN™, L2TP |
| File systems | • Internal: Btrfs, ext4 • External: Btrfs, ext4, ext3, FAT32, NTFS, HFS, exFAT |
| Supported RAID types | Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Storage management | Max. single volume size: 108 TB • Max. number of system snapshots: 65,536 • Max. number of internal volumes: 64 |
| SSD cache | • Read/write cache support • M.2 NVMe and 2.5" SATA SSD support |
| File sharing capabilities | • Max. number of local user accounts: 2,048 • Max. number of local groups: 256 • Max. number of shared folders: 512 • Max. number of concurrent SMB/NFS/AFP/FTP connections: 500 |
| Privileges | Windows® Access Control List (ACL) and application privileges |
| Security | Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, and HTTPS (configurable cipher suite) |
