Western Digital SATA Hard Disk 3.5″ WD60PURX-78P6ZYO

• 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
• “Hard Drive Speed: 5400 RPMCache Buffer: 64MB Includes: Quick install guide and Operating System Compatibility: Windows 8, Windows 7, Mac”
• Built for always-on surveillance storage applications
• All Frame technology for reduced pixilation and video interruption