NAS server - 4 bays - 48 TB - SATA 6Gb/s - HDD 8 TB x 4 - RAID 0, 1, 5 - RAM 8 GB - Gigabit Ethernet / 10 Gigabit Ethernet - iSCSI support - TAA Compliant
| Main Specifications | |
|---|---|
| Product Description | BUFFALO TeraStation WS5020 IoT Series WS5420DN - NAS server - 48 TB - TAA Compliant |
| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet / 10 Gigabit Ethernet |
| Total Storage Capacity | 48 TB |
| Installed Devices / Modules Qty | 4 (installed) / 4 (max) |
| Dimensions (WxDxH) | 6.7 in x 9.1 in x 8.5 in |
| Weight | 15.9 lbs () |
| Processor | 1 x Intel Atom C3338 1.5 GHz (Dual-Core) |
| Storage Controller | RAID SATA 6Gb/s RAID 0, 1, 5 |
| Hard Drive | 4 x 8 TB SATA 6Gb/s - RAID 5 - factory configured |
| Networking | 10Mb LAN, 100Mb LAN, 1GbE, 10GbE, 5GbE, 2.5GbE |
| RAM | 8 GB |
| Power | AC 100-240 V (50/60 Hz) |
| Storage Operating System | Windows Server IoT 2025 for Storage Workgroup Edition |
| System Requirements | Microsoft Windows 7 / 8.1 / 10 / 11, Microsoft Windows Server 2019, Microsoft Windows Server 2016, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012, Apple macOS 10.12 or later |
| TAA Compliant | Yes |
| Manufacturer Warranty | 3-year warranty |
| General | |
| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet / 10 Gigabit Ethernet |
| Total Storage Capacity | 48 TB |
| Installed Devices / Modules Qty | 4 (installed) / 4 (max) |
| Width | 6.7 in |
| Depth | 9.1 in |
| Height | 8.5 in |
| Weight | 15.9 lbs () |
| Expansion / Connectivity | |
| Expansion Bays | 4 (total) / 0 (free) |
| Interfaces | 1 x Ethernet 10Gb - RJ-45 ¦ 2 x Ethernet 1000Base-T - RJ-45 ¦ 2 x USB 3.2 Gen 1 - Type A |
| Manufacturer Warranty | |
| Service & Support | Limited warranty - 3 years ¦ Limited warranty - hard drive - 3 years |
| Miscellaneous | |
| Cables Included | 1 x network cable |
| Included Accessories | Front panel key |
| TAA Compliant | Yes |
| Networking | |
| Data Link Protocol | 10Mb LAN, 100Mb LAN, 1GbE, 10GbE, 5GbE, 2.5GbE |
| Network / Transport Protocol | TCP/IP, SMB, FTP, CIFS, SFTP, NFS |
| Remote Management Protocol | SNMP |
| Network Services Compatibility | Server Message Block (SMB), Microsoft Active Directory (AD) |
| Features | WOL, Microsoft Azure support, Microsoft OneDrive support, port trunking |
| Compliant Standards | IEEE 802.3an, IEEE 802.3bz, IEEE 802.3ab, IEEE 802.3i, IEEE 802.3u |
| Power | |
| Power Device | Internal power supply |
| Voltage Required | AC 100-240 V (50/60 Hz) |
| Power Consumption Operational | 85 Watt |
| Power Consumption Stand by | 6.1 Watt |
| Software / System Requirements | |
| Storage Operating System | Windows Server IoT 2025 for Storage Workgroup Edition |
| Software Included | NAS Navigator2, NovaBACKUP Buffalo Edition (1 server and 10 workstations) |
| OS Required | Microsoft Windows 7 / 8.1 / 10 / 11, Microsoft Windows Server 2019, Microsoft Windows Server 2016, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012, Apple macOS 10.12 or later |
| TAA Compliant | Yes |
| Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 85% (non-condensing) |
| Storage Controller | |
| Type | RAID |
| Interface Type | SATA 6Gb/s |
| RAID Level | RAID 0, RAID 1, RAID 5 |
| Hard Drive | |
| Type | HDD |
| Capacity | 4 x 8 TB |
| Interface Type | SATA 6Gb/s |
| Features | RAID 5 - factory configured |
| Processor / Memory | |
| Processors Installed | 1 x Intel Atom C3338 1.5 GHz |
| Number of Cores | Dual-Core |
| Max Supported Qty | 1 |
| Max Turbo Speed | 2.2 GHz |
| RAM | 8 GB DDR4 |
| Features | ECC |
| Dimensions & Weight (Shipping) | |
| Shipping Width | 12.2 in |
| Shipping Depth | 14.1 in |
| Shipping Height | 14.3 in |
| Shipping Weight | 16.29 lbs |