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CPU Intel Celeron J4025 2-core 2.0 GHz, burst up to 2.9 GHz Hardware encryption engine Yes (AES-NI) Memory 2 GB DDR4 onboard (expandable up to 6 GB)3 Compatible drive type • 4 x 3.5" or 2.5" SATA HDD/SSD (drives not included) • 2 x M.2 2280 NVMe SSD (drives not included) Hot swappable drive Yes External port 2 x USB 3.0 port Size (HxWxD) 166 x 199 x 223 mm Weight 2.18 kg LAN 2 x Gigabit (RJ-45) Wake on LAN/WAN Yes Scheduled power on/off Yes System fan 2 (92 x 92 x 25 mm) AC input power voltage 100 V to 240 V AC Power frequency 50/60 Hz, single phase Operating temperature 0°C to 40°C (32°F to 104°F) Storage 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)| Brand | Synology |
| Model | DS420+ |
| CPU Model | Intel Celeron J4025 2-core 2.0 GHz, burst up to 2.9 GHz |
| System Memory | 2 GB DDR4 onboard (expandable up to 6 GB) |
| Number of Drives | 4 x 3.5" or 2.5" SATA HDD/SSD (drives not included) |
| USB Interface | 2 x USB 3.0 port |
| LAN Interface | 2 x Gigabit (RJ-45) |
| Memory Slot | 1 |
| Networking | SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP) |
| RAID | Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Security | Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite) |
| OS Support | Windows 7 onwards, macOS 10.12 onwards |
| File system | Internal: Btrfs, ext4 |
| Cooling Fans | 2 x (92 x 92 x 25 mm) |
| Power Supply | 100V to 240VAC |
| Environment | Operating temperature : 0°C to 40°C (32°F to 104°F) |
| Capacity | 64 TB (16 TB drive x 4) (Capacity may vary by RAID types) |
| Dimension | (W x D x H) : 19.90 x 16.60 x 22.30 cm |
| Net Weight | 2.18 KG |
| Package Dimension | (W x D x H) : 24.00 x 28.50 x 26.00 cm |
| Gross Weight | 3.70 KG |