The BUFFALO HD-WH4TU3R1 is a 4TB DriveStation Duo external storage system containing two 2TB NAS-grade hard drives. It connects to a host system through USB 3.0 or USB 2.0 and supports RAID 0, RAID 1, and JBOD configurations.
Dual-Drive External Storage
The DriveStation Duo uses two internal SATA hard drives with a combined capacity of 4TB. The dual-drive design allows the storage configuration to be selected according to the intended use, with RAID 0, RAID 1, or JBOD available on the HD-WH4TU3R1.
USB 3.0 Connectivity
The HD-WH4TU3R1 connects through a single USB Type-A port and supports USB 3.0 with a maximum interface rate of 5Gbps. It is also backward compatible with USB 2.0, making it suitable for systems that provide either USB interface.
Key Features
- 4TB total storage using two 2TB NAS-grade hard drives
- RAID 0, RAID 1, and JBOD storage configurations
- USB 3.0 / USB 2.0 connectivity with one Type-A port
- Internal drives use SATA 3Gbps interfaces
- Internal AC power supply supporting 100–240V, 50/60Hz
Typical Applications
- Desktop external storage for PCs and workstations
- File storage and backup for offices and small businesses
- External storage for creative and professional workflows
- RAID-based storage where supported data protection or performance configurations are required
DC Supplies Product Note
The HD-WH4TU3R1 uses two separate 2TB internal drives rather than one 4TB disk. This is important when selecting the unit for a particular storage configuration because the available RAID modes determine how the two drives are presented and used.
Specifications
| Specification | Details |
|---|
| Brand | BUFFALO |
| Part Number | HD-WH4TU3R1 |
| Product Series | DriveStation Duo |
| Product Type | 2-Bay External Hard Drive Storage |
| Total Capacity | 4TB |
| Number of Internal Drives | 2 |
| Internal Drive Capacity | 2TB each |
| Hard Drive Type | NAS-grade HDDs |
| Internal Drive Interface | SATA 3Gbps |
| Supported RAID | RAID 0, RAID 1, JBOD (Individual Disks) |
| External Interface | USB 3.0 / USB 2.0 |
| USB Connector | Type-A |
| USB Ports | 1 |
| Maximum USB 3.0 Transfer Rate | 5Gbps |
| Maximum USB 2.0 Transfer Rate | 480Mbps |
| Power Supply | Internal AC 100–240V, 50/60Hz |
| Maximum Power Consumption | 48W |
| Operating Temperature | 41–95°F (5–35°C) |
| Operating Humidity | 20–80% non-condensing |
| Dimensions | 8.03 x 3.38 x 5.00 in. |
| Weight | 4.85 lbs |
| Warranty | 3 years |
FAQs
What is the BUFFALO HD-WH4TU3R1?
The HD-WH4TU3R1 is a 4TB DriveStation Duo external storage system containing two 2TB NAS-grade hard drives.
How many hard drives are included?
The HD-WH4TU3R1 includes two internal 2TB hard drives for a total installed capacity of 4TB.
Which RAID modes does the HD-WH4TU3R1 support?
The DriveStation Duo supports RAID 0, RAID 1, and JBOD (Individual Disks).
What USB interface does the HD-WH4TU3R1 use?
It provides one USB Type-A port supporting USB 3.0 and USB 2.0. USB 3.0 has a maximum interface rate of 5Gbps.
Does the HD-WH4TU3R1 require an external power adapter?
The unit uses an internal AC power supply rated for 100–240V at 50/60Hz.
