WD Purple Surveillance Hard Drive 6 TB

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