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 RPM

Cache 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

Designed to support up to 32 HD cameras

Caching algorithms specifically designed for security surveillance operation

3 year limited warranty

6 TB capacity holds up to 1,200,000 digital photos, 1,500,000 MP3 files, and 450 hours of HD video.