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

About this item 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