WD My Book 4TB External Hard Drive Storage USB 3.0 File Backup and Storage
- 0 GB Dual bay USB 3.1 Gen 1 and eSATA equipped performance RAID enclosure.
- Hardware RAID 0, 1, span, and independent modes.
- Fast USB 3.1 Gen 1 & eSATA connectivity-Accelerate your workflow with transfer speeds up to 407MB/s.
- Supports 2 x SATA HDDs. All Cables included.