Overview
The BUFFALO OP-HD4.0BN/B is a 4TB replacement hard drive for compatible BUFFALO TeraStation NAS systems. It uses a 3.5-inch form factor and Serial ATA connectivity and is part of BUFFALO's OP-HDB/B series of business replacement HDDs.
Compatibility
BUFFALO identifies the OP-HD4.0BN/B for use with compatible TeraStation systems, including the WSH5610DNS2, WSH5411DN6, WSH5610DNS6 and related supported models listed by the manufacturer. Compatibility should be confirmed against the exact TeraStation model before installation.
Key Features
- 4TB storage capacity
- 3.5-inch hard drive form factor
- Serial ATA III / Serial ATA II interface compatibility
- Designed for compatible BUFFALO NAS systems
- 3-year manufacturer warranty stated by BUFFALO
Applications
The drive is intended for replacement or expansion-related servicing of supported BUFFALO TeraStation NAS hardware. It is particularly relevant where the replacement drive must match BUFFALO's specified OP-HDB/B replacement-drive family.
DC Supplies Product Note
Confirm the exact TeraStation model before ordering. BUFFALO lists the OP-HD4.0BN/B as a model-specific replacement drive rather than a general-purpose standalone NAS upgrade, so compatibility should be checked against the manufacturer's supported-device information.
Specifications
| Specification | Details |
|---|
| Brand | BUFFALO |
| Part Number / MPN | OP-HD4.0BN/B |
| Product Type | Replacement Hard Drive |
| Series | OP-HDB/B |
| Storage Capacity | 4TB |
| Drive Form Factor | 3.5-inch |
| Interface | Serial ATA III / Serial ATA II |
| Operating Temperature | 5–35°C |
| Operating Humidity | 20–80% |
| Dimensions (W × H × D) | 101 × 26 × 147 mm |
| Weight | Approximately 740 g |
| RoHS | Compliant |
| Warranty | 3 years |
| JAN | 4981254030134 |
FAQs
What is the capacity of the OP-HD4.0BN/B?
The OP-HD4.0BN/B has a storage capacity of 4TB.
What interface does this drive use?
BUFFALO specifies Serial ATA III and Serial ATA II compatibility for the OP-HD4.0BN/B.
What form factor is the drive?
The drive uses a 3.5-inch form factor.
Is this a general-purpose replacement HDD?
It is specifically positioned by BUFFALO as an option replacement HDD for supported TeraStation NAS systems. Verify compatibility with the exact NAS model before purchase.
What operating environment is specified?
BUFFALO specifies an operating temperature of 5–35°C and operating humidity of 20–80%.
Does BUFFALO provide a warranty?
BUFFALO states that the OP-HDB/B replacement HDD series, including this model, is covered by a 3-year warranty.
