WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURX [Old Version]

WD Purple Surveillance Hard Drives are engineered for 24/7 reliable operation in HD security systems with up to eight hard drives and up to 32 cameras. SINGLE PACK

• Engineered specifically for surveillance security systems
• Reduced video frame loss
• Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications
• Prioritized write-operations for maximized surveillance performance
• TLER & ATA streaming support.
• Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.
• Ships in WD-certified box for safe transit during shipping