WD My Book 4TB RAID Thunderbolt Duo Dual-Drive External Hard Drive WDBUSK0040JSL
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About this product
The WD My Book 4TB RAID Thunderbolt Duo is an external dual-drive hard drive system designed for high-performance storage. Featuring a Thunderbolt interface with a 10 Gb/s data transfer rate and 300 MB/s read speed, it offers robust connectivity for Mac and PC users. This 4TB unit includes two 3.5-inch HDDs, each spinning at 7200 RPM, configured for RAID operations. Its heavy-duty and durable silver enclosure measures 6.5 inches high and weighs 4.73 lbs, suitable for desktop use.
Our take
If you're looking for fast, reliable external storage with a focus on data protection, this WD My Book Duo is a solid contender. The dual-drive setup with RAID capabilities is excellent for users who prioritize either speed or redundancy. The Thunderbolt interface is a major plus, delivering really impressive read speeds up to 300 MB/s and a 10 Gb/s transfer rate, making it ideal for creative professionals working with large files. It's a bit on the heavier side at 4.73 lbs and uses a 3.5-inch form factor, so it's definitely a desktop solution, but the build quality feels substantial and durable.
Pros & Cons
Pros
- 4TB dual-drive storage
- Fast 7200 RPM HDDs
- High-speed Thunderbolt interface (10 Gb/s)
- RAID feature for data protection
- Heavy-duty, durable enclosure
Cons
- Relatively heavy at 4.73 lb
- Requires AC power
- Only HDD storage format
Specifications
- Power Requirements AC 100 - 240V (47 - 63Hz)
- Model WDBUSK0040JSL-NESN
- Item Height 6.5 in
- Item Width 3.9 in
- Interface Thunderbolt
- Storage Format HDD Only
Show all 33 specifications
- Drive Type(s) Supported
- HDD
- Product Line
- My Book
- Type
- External Drive
- Features
- Heavy Duty, Durable, Raid, Thunderbolt, Dual Drive
- Rotation Speed
- 7200 RPM
- Color
- Silver
- MPN
- WDBUSK0040JSL
- Compatible With
- Mac, PC
- Item Length
- 6.2 in
- USB Specification
- Thunderbolt
- Writable Format
- HDD
- Write Speed
- 2x
- Weight
- 4.73 lb (2.15 kg)
- Read Speed
- 300 MB/s
- Storage Capacity
- 4 TB
- Brand
- WD
- Form Factor
- 3.5 in
- Frequency Required
- 50/60 Hz
- Min Operating Temperature
- 41 °F
- Max Operating Temperature
- 95 °F
- Input Voltage
- 110 V AC, 220 V AC
- Power Source
- AC Adapter
- Green Compliance Certificate/Authority
- RoHS
- Data Transfer Rate
- 10 Gb/s (maximum)
- System Requirements
- Mac OS X 10.6.8 or higher, PC with Thunderbolt connector
- Country of Origin
- Thailand
- UPC
- 718037803296