Western Digital WD Red 3TB NAS 64MB 3.5 Inch 5400RPM SATA3 6Gbps 64MB Cache

Western Digital WD Red 3TB NAS 64MB 3.5' 5400RPM SATA3 6Gb/s 64MB Cache for NAS WD30EFRX Specifications: Product Specifications: Interface: SATA 6 Gb/s Performance Specifications: Rotational Speed: IntelliPower * Buffer Size: 64 MB Transfer Rates: Buffer To Host (Serial ATA): 6 Gb/s (Max) Physical Specifications: Formatted Capacity: 3,000,592 MB Capacity: 3 TB User Sectors Per Drive: 5,860,533,168 Performance Specifications: Target Performance: MTBF: 1,000,000 hours Physical Dimensions: Metric: Height: 26.1 mm Depth: 147 mm Width: 101.6 mm Weight: 0 .635 kg Environmental Specifications : Shock: Operating Shock (Read): 65G, 2 ms Non-operating Shock: 250G, 2 ms Acoustics: Idle Mode: 23 dBA (average) Seek Mode 0: 24 dBA