Western Digital Purple 4TB 5400rpm 64MB Cache 3.5 Inch SATA3 Surveillance Hard Drive
• WD Purple drives have been engineered specifically for the extreme demands of high temperature, 24/7 surveillance systems.
Performance You Can Trust
• From a worldwide leader in the storage industry, WD Purple is engineered for quality video playback when you need it most.
Expand Your View to 64
• WD Purple drives are optimized to support up to 64 cameras, giving you flexibility to upgrade or expand your security system.
• Interface: SATA 6Gb/s
• Form factor: 3.5-inch
• RPM Class: 5400
• Advanced Format (AF): Yes
• RoHS compliant: Yes
• Cameras supported: Up to 64
• Maximum drive bays supported: 8+
• Tarnish resistant components: Yes
• Interface transfer rate (max): Buffer to host: 6 Gb/s, Host to/from drive (sustained): 150 MB/s
• Cache: 64MB
• Performance Class: 5400 RPM
• Load/unload cycles: 300,000
• Annualised workload rating: 180TB/yr
• Non-recoverable read errors per bits read: < 1 in 10^14
• Limited warranty: 3 Years
• Average power requirements: Read/Write: 5.1W, Idle: 4.5W, Standby and Sleep: 0.4W
• Temperature: Operating: 0 to 65'C Non-operating: -40 to 70'C
• Shock: Operating (2 ms, read/write): 30Gs Operating (2 ms, read): 65Gs Non-operating (2 ms): 250Gs
• Acoustics (dBA): Idle: 25 Seek (average): 26
• Dimensions (H x L x W): 26.1 x 147 x 101.6 mm
• Weight: 680 g
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