BUFFALO TS51220RH8004 – TeraStation 5020 80TB 12-Bay 2U 10GbE NAS
Overview
The BUFFALO TS51220RH8004 is a TeraStation 5020 Series 12-bay 2U rackmount NAS configured with 80TB of installed storage using four 20TB enterprise-grade CMR hard drives. Eight drive bays remain available for future expansion, providing additional capacity within the existing chassis.
The TS51220RH8004 supports RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD. RAID 6 is the factory-configured RAID mode for this model, providing 40TB of effective capacity from the 80TB installed drive total before filesystem and system overhead.
Technical Information
The system uses an Annapurna Labs Alpine AL524 2.04GHz quad-core processor and 16GB of DDR4 memory. The 12-bay chassis uses SATA III 6Gbps drive interfaces and supports enterprise-grade CMR hard drives.
Network connectivity consists of two 10GBASE-T RJ-45 ports and two 1000BASE-T RJ-45 ports. The TS51220RH platform supports high-speed 10GbE connectivity alongside Gigabit Ethernet connections for mixed-speed network environments.
The NAS provides two USB 3.2 ports and two USB 2.0 ports. It supports SMB/CIFS, AFP, FTP, SFTP, NFS, and SNMP file-sharing and network-management protocols. Hot swapping and hot-spare functionality are supported.
SSD caching is supported on the TS51220RH platform through compatible SSD hardware. Buffalo also specifies iSCSI target functionality, snapshots, copy-on-write, metadata duplication, and iSCSI volume backup.
Compatibility
The TS51220RH8004 is designed for 2U rackmount deployments using standard Ethernet infrastructure. Its two 10GBASE-T interfaces provide 10GbE connectivity, while the two 1000BASE-T ports support Gigabit Ethernet environments.
The four populated drive bays use enterprise-grade CMR hard drives, while eight bays remain available for compatible additional drives. Buffalo-supported drive options should be used when expanding or replacing storage rather than assuming universal third-party HDD compatibility.
Supported client and server platforms 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
- 80TB installed capacity using four 20TB enterprise-grade CMR hard drives
- 12-bay 2U rackmount chassis with eight available drive bays
- Two 10GBASE-T ports plus two 1000BASE-T ports
- Annapurna Labs AL524 2.04GHz quad-core processor with 16GB DDR4 memory
- RAID 0/1/5/6/10 and JBOD support with factory RAID 6, iSCSI, snapshots, and SSD caching
Applications
- Enterprise file and shared network storage
- Centralized business data repositories
- High-capacity backup and data-protection deployments
- 10GbE data-center and server-room storage environments
- Expandable rackmount NAS installations requiring additional drive capacity
DC Supplies Product Note
The TS51220RH8004 uses four of its twelve drive bays for the supplied 80TB configuration, leaving eight bays available for expansion. Its factory RAID 6 configuration provides dual-drive fault tolerance with 40TB of effective capacity, making the model a capacity-focused option where additional storage expansion is also required.
Specifications
| Specification | Details |
|---|
| Brand | BUFFALO |
| Part Number / MPN | TS51220RH8004 |
| Product Type | Enterprise Rackmount NAS |
| Series | TeraStation 5020 |
| Form Factor | 2U Rackmount |
| Drive Bays | 12 |
| Populated Bays | 4 |
| Available Bays | 8 |
| Installed Drives | 4 × 20TB |
| Total Installed Capacity | 80TB |
| Effective Capacity in Factory RAID 6 | 40TB |
| Drive Type | Enterprise-Grade CMR HDD |
| Drive Interface | SATA III 6Gbps |
| Factory RAID | RAID 6 |
| Supported RAID | RAID 0 / 1 / 5 / 6 / 10 / JBOD |
| Processor | Annapurna Labs Alpine AL524, 2.04GHz Quad-Core |
| Memory | 16GB DDR4 |
| 10GbE Network | 2 × 10GBASE-T RJ-45 |
| Gigabit Network | 2 × 1000BASE-T RJ-45 |
| File-Sharing Protocols | CIFS/SMB, AFP, FTP, SFTP, NFS, SNMP |
| iSCSI Target | Supported |
| Snapshots | Supported |
| SSD Caching | Supported |
| USB Ports | 2 × USB 3.2, 2 × USB 2.0 |
| Hot Swap | Supported |
| Hot Spare | Supported |
| Maximum Power Consumption | 500W |
| Data Transfer Power Consumption | 177W |
| Idle Power Consumption | 135W |
| Power Supply | Internal AC 100–240V, 50/60Hz |
| Redundant Power Supply | Optional dual power supply available |
| Operating Temperature | 0–40°C |
| Operating Humidity | 10–85% non-condensing |
| Dimensions | 29.0 × 18.9 × 3.4 in |
| Weight | 41.03–55.37 lb |
| Country of Origin | Japan |
| TAA Compliant | Yes |
| Warranty | 5 years with product registration |
FAQs
How much storage does the TS51220RH8004 provide?
The TS51220RH8004 includes four 20TB enterprise-grade CMR hard drives for 80TB of total installed raw capacity.
How many drive bays are available?
The chassis has 12 drive bays. Four are populated in the 80TB configuration, leaving eight bays available for compatible additional drives.
What is the factory RAID configuration?
The TS51220RH8004 ships with RAID 6 as the factory RAID configuration. Buffalo specifies 40TB of effective capacity in RAID 6 from the 80TB raw drive total.
What RAID levels are supported?
The system supports RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD.
What network interfaces are included?
The TS51220RH8004 provides two 10GBASE-T RJ-45 ports and two 1000BASE-T RJ-45 ports.
Does the TS51220RH8004 support SSD caching?
Yes. SSD caching is supported on the TS51220RH platform using compatible SSD hardware. SSDs are not assumed to be included with this configuration.
