Description
Synology DiskStation DS420j
Hardware Specifications
| CPU | Realtek RTD1296, 64‑bit quad‑core 1.4 GHz |
|---|---|
| Hardware Encryption Engine | Yes |
| System Memory | 1 GB DDR4 non‑ECC |
| Drive Bays | 4 × 3.5″ or 2.5″ SATA HDD/SSD (drives not included) |
| Maximum Raw Capacity | Up to 64 TB (4 × 16 TB) |
| External Ports | 2 × USB 3.0 |
| LAN Port | 1 × Gigabit RJ‑45 |
| System Fans | 2 × 80 × 80 mm |
| Dimensions (HxWxD) | 184 × 168 × 230 mm |
| Weight | 2.21 kg |
| Power Consumption | 21.71 W (access), 7.88 W (hibernation) |
| Power Supply | 90 W external adapter (100–240 V AC) |
| Operating Temperature | 0 °C to 40 °C |
| Storage Temperature | −20 °C to 60 °C |
| Relative Humidity | 5% to 95% RH |
| Maximum Operating Altitude | 5,000 m |
| Wake on LAN/WAN | Yes |
| Scheduled Power On/Off | Yes |
| Noise Level | 20.6 dB(A) |
| Warranty | 2 years (with option to extend to 4 years) |
| Certifications | FCC, CE, EAC, BSMI, VCCI, CCC, RCM; RoHS compliant |
Software Specifications
| Supported File Systems |
|
|---|---|
| Supported RAID Types | SHR, Basic, JBOD, RAID 0/1/5/6/10 |
| Maximum Single Volume Size | 108 TB |
| Maximum Internal Volumes | 64 |
| Snapshot Support | Up to 65,536 system-wide; 1,024 per shared folder |
| Max Concurrent Connections | 100 (SMB/AFP/NFS/FTP) |
| Account/Folder Limits | Up to 1,024 users, 256 groups, 256 shared folders |
| Network Protocols | SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP) |
| Directory Services | Windows AD & LDAP integration |
| Mobile Apps | DS photo+, DS audio, DS video, DS download, DS file, DS finder |
| Surveillance Support | Up to 16 IP cameras (2 included licenses) |
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