BUFFALO TS5420DN6404 – TeraStation 5420 64TB 4-Bay 10GbE Desktop NAS
Overview
The BUFFALO TS5420DN6404 is a TeraStation 5020 Series 4-bay desktop NAS configured with four 16TB NAS-dedicated hard drives for 64TB of total installed capacity. The system provides 10GbE connectivity, two additional 1GbE ports, 8GB of DDR4 ECC memory, and multiple RAID configurations for business network storage.
Technical Information
The TS5420DN6404 uses an Annapurna Labs Alpine AL524 processor operating at 2.04GHz with four cores and 64-bit architecture. The system has 8GB of DDR4 ECC memory and four 3.5-inch SATA III drive bays. Supported RAID modes include RAID 0, 1, 5, 6, 10, and JBOD, with RAID 6 specified as the factory configuration.
The 10GBASE-T network interface supports 10GbE, 5GbE, 2.5GbE, 1GbE, and 100MbE operation, while two additional 1000BASE-T ports provide Gigabit Ethernet connectivity. Buffalo also provides snapshot functionality, abnormal file activity detection, and remote configuration capabilities.
Compatibility
The TS5420DN6404 uses RJ-45 network interfaces and supports TCP/IP networking. Supported network file services include CIFS/SMB, AFP, FTP/FTPS/SFTP, and NFS. Buffalo specifies compatibility with Windows 11, Windows 10, Windows 8.1, Windows 7, supported Windows Server versions, and macOS 10.9 or later.
Key Features
- 64TB total capacity with four 16TB NAS-dedicated CMR HDDs
- Four 3.5-inch SATA III drive bays with hot-swapping support
- One 10GbE RJ-45 port plus two 1GbE RJ-45 ports
- 8GB DDR4 ECC memory and Annapurna Labs AL524 quad-core processor
- RAID 0, 1, 5, 6, 10, and JBOD support
Applications
TS5420DN6404 is designed for centralized business file storage, shared network storage, backup repositories, departmental NAS deployments, and environments requiring high-capacity storage with 10GbE connectivity.
DC Supplies Product Note
The exact TS5420DN6404 configuration contains four 16TB drives and provides 64TB of raw installed capacity. Buffalo specifies RAID 6 as the factory configuration, resulting in 32TB of effective capacity in that RAID mode. Available capacity varies according to the selected RAID configuration.
Specifications
| Specification | Details |
|---|
| Brand | BUFFALO |
| Part Number / MPN | TS5420DN6404 |
| Product Type | Desktop NAS |
| Series | TeraStation 5020 |
| Model | TS5420DN |
| Form Factor | Desktop |
| Drive Bays | 4 |
| Drive Size | 3.5-inch |
| Included Drives | 4 x 16TB NAS-dedicated HDD |
| Total Installed Capacity | 64TB |
| Drive Type | NAS-grade HDD, CMR |
| Drive Interface | SATA III, 6Gbps |
| Factory RAID | RAID 6 |
| RAID 6 Effective Capacity | 32TB |
| Supported RAID | RAID 0 / 1 / 5 / 6 / 10 / JBOD |
| Processor | Annapurna Labs Alpine AL524 |
| Processor Speed | 2.04GHz |
| Processor Cores | 4 |
| Memory | 8GB DDR4 ECC |
| 10GbE Port | 1 x 10GBASE-T RJ-45 |
| Gigabit Ethernet Ports | 2 x 1000BASE-T RJ-45 |
| 10GbE Port Speeds | 10GbE / 5GbE / 2.5GbE / 1GbE / 100MbE |
| USB Ports | 2 x USB 3.2, 2 x USB 2.0 |
| Network File Services | CIFS/SMB, AFP, FTP/FTPS/SFTP, NFS |
| Snapshots | Yes |
| Abnormal File Activity Detection | Yes |
| Remote Configuration | Yes |
| Power Supply | Internal AC 100–240V, 50/60Hz |
| Maximum Power Consumption | 100W |
| Operating Temperature | 0–40°C |
| Operating Humidity | 10–85% non-condensing |
| Dimensions | 9.06 × 6.69 × 8.46 in |
| Weight | 12.41 lb |
| Warranty | 3 years |
FAQs
How much storage is included with the TS5420DN6404?
The TS5420DN6404 includes four 16TB NAS-dedicated hard drives for 64TB of total installed capacity.
What is the factory RAID configuration?
Buffalo specifies RAID 6 as the factory configuration. With 64TB of installed drive capacity, RAID 6 provides 32TB of effective capacity.
Does the TS5420DN6404 support 10GbE?
Yes. It has one 10GBASE-T RJ-45 port supporting 10GbE, 5GbE, 2.5GbE, 1GbE, and 100MbE operation.
Which RAID levels are supported?
The system supports RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and JBOD.
How much memory does the TS5420DN6404 have?
The NAS has 8GB of DDR4 ECC memory and uses an Annapurna Labs Alpine AL524 2.04GHz quad-core processor.
Does the TS5420DN6404 support hot-swapping?
Yes. Buffalo specifies hot-swapping support for the drive bays in the TeraStation 5420 series.
