BUFFALO TS5420DN1602 – TeraStation 5020 16TB 4-Bay 10GbE Desktop NAS
Overview
The BUFFALO TS5420DN1602 is a TeraStation 5020 Series 4-bay desktop NAS configured with two 8TB NAS-grade HDDs for 16TB of installed storage. Two drive bays remain open for future expansion. The system provides one 10GbE RJ-45 port and two 1GbE RJ-45 ports for high-speed network storage and conventional Gigabit Ethernet connectivity.
The exact TS5420DN1602 configuration is supplied with two 8TB drives and factory-configured RAID 1, providing 8TB of usable RAID 1 capacity. The platform supports RAID 0, 1, 5, 6, 10, and JBOD configurations.
Technical Information
The TS5420DN1602 uses an Annapurna Labs Alpine AL524 2.04GHz quad-core processor with 8GB of DDR4 memory. The installed storage consists of two 8TB NAS-grade HDDs using the system's four-bay SATA storage architecture.
Storage management features include snapshots, abnormal file activity detection, remote configuration, hot swapping, and hot-spare support. The system also supports iSCSI, Btrfs, port trunking, UPS compatibility, cloud management, and network file services for business storage environments.
Compatibility
The TS5420DN1602 has four total drive bays, with two occupied by the supplied 8TB HDDs and two bays available for compatible additional drives. Buffalo identifies the TS5420DN platform as supporting NAS-grade CMR HDDs and RAID 0/1/5/6/10/JBOD.
Network connectivity includes one 10GbE RJ-45 port and two 1GbE RJ-45 ports. Supported Ethernet operation includes 10GbE, 5GbE, 2.5GbE, 1GbE, 100MbE, and 10MbE. Network file services include CIFS/SMB, AFP, FTP/FTPS/SFTP, and NFS.
Supported client environments include Windows 11, Windows 10, Windows 8.1, Windows 7, Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012, Windows Server 2012 R2, and macOS 10.9 or later.
Key Features
- 16TB installed capacity using two 8TB NAS-grade HDDs.
- Four-bay desktop chassis with two populated and two open bays.
- One 10GbE RJ-45 port plus two 1GbE RJ-45 ports.
- AL524 2.04GHz quad-core processor with 8GB DDR4 memory.
- Factory RAID 1 with 8TB usable capacity and support for RAID 0/1/5/6/10/JBOD.
Applications
- Centralized business file storage
- Departmental shared network storage
- Backup and data protection
- 10GbE-enabled NAS deployments
- Storage environments requiring future drive-bay expansion
DC Supplies Product Note
The TS5420DN1602 is a partially populated 4-bay configuration with two 8TB drives installed and two drive bays open. The factory RAID 1 arrangement provides 8TB of usable storage from the 16TB installed raw capacity while maintaining mirrored drive protection.
Specifications
| Specification | Details |
|---|
| Brand | BUFFALO |
| Part Number / MPN | TS5420DN1602 |
| Product Type | Desktop NAS |
| Series | TeraStation 5020 / TS5420DN |
| Form Factor | Desktop |
| Total Drive Bays | 4 |
| Included Drives | 2 |
| Available Drive Bays | 2 |
| Drive Configuration | 2 x 8TB |
| Total Installed Capacity | 16TB |
| Drive Type | NAS-grade HDD, CMR |
| Drive Interface | SATA 6Gb/s |
| Factory RAID | RAID 1 |
| RAID 1 Usable Capacity | 8TB |
| Supported RAID | RAID 0/1/5/6/10/JBOD |
| Processor | Annapurna Labs Alpine AL524 |
| Processor Speed | 2.04GHz |
| CPU Cores | 4 |
| Memory | 8GB DDR4 |
| Memory ECC | Yes |
| Network Ports | 1 x 10GbE + 2 x 1GbE |
| Network Connector | RJ-45 |
| Supported Ethernet Speeds | 10GbE/5GbE/2.5GbE/1GbE/100MbE/10MbE |
| USB Ports | 2 x USB 3.2 + 2 x USB 2.0 |
| Network File Services | CIFS/SMB, AFP, FTP/FTPS/SFTP, NFS |
| Supported Protocol | TCP/IP |
| iSCSI | Yes |
| Snapshots | Yes |
| Abnormal File Activity Detection | Yes |
| Remote Configuration | Yes |
| Hot Swap / Hot Spare | Yes |
| SSD Caching | No |
| Power Supply | Internal AC 100–240V, 50/60Hz |
| Maximum Power Consumption | 100W |
| Data Transfer Power Consumption | 72W |
| Idle Power Consumption | 56W |
| Operating Temperature | 0–40°C |
| Operating Humidity | 10–85% non-condensing |
| Dimensions (L x W x H) | 9.06 x 6.69 x 8.46 in |
| Weight | 12.41 lb |
| Warranty | 3 years |
| Country of Origin | Japan |
| TAA Compliant | Yes |
FAQs
How much storage is included with the BUFFALO TS5420DN1602?
The TS5420DN1602 includes two 8TB NAS-grade HDDs for 16TB of installed raw storage.
How much usable storage is available in the factory configuration?
The exact configuration ships with the two 8TB drives in RAID 1, providing 8TB of usable RAID 1 capacity.
How many drive bays are available for expansion?
The system has four total drive bays, with two drives installed and two bays available for additional compatible drives.
Which RAID levels are supported?
The TS5420DN1602 supports RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD.
What network connectivity does the NAS provide?
The TS5420DN1602 provides one 10GbE RJ-45 port and two 1GbE RJ-45 ports.
What processor and memory are installed?
The NAS uses an Annapurna Labs Alpine AL524 2.04GHz quad-core processor and 8GB of DDR4 memory.
