Western Digital Purple HDD 4TB Surveillance Hard Disk Drive – 5400 RPM Class SATA III 6 Gb/s 64MB Cache 3.5 Inch – (PVR, DVR, NVR and IPTV) Heavy Duty 24

Western Digital Purple HDD 4TB Surveillance Hard Disk Drive – 5400 RPM Class SATA III 6 Gb/s 64MB Cache 3.5 Inch – (PVR, DVR, NVR and IPTV) Heavy Duty 24 – WD40PURX

Digital Storage Capacity : 4000 GB
Hard Disk Interface : Serial ATA-600
Connectivity Technology : SATA
Brand : Western Digital
Special Feature : Portable
Hard Disk Form Factor : 3.5 Inches
Hard Disk Description : Mechanical Hard Disk
Compatible Devices : Desktop
Installation Type : Internal Hard Drive
Type : Purple
4TB Capacity, Intellipower 5400RPM Rotation Speed, 64MB Cache, 3 year limited warranty
3.5″ Internal Hard Drive, SATA III 6.0Gb/s, Lower Power & Heavy Duty 24/7(24 hour / 7 day)
For Surveillance, set-top boxes (PVR, DVR, NVR and IPTV), media servers and media centers.
Reduces video frame loss with surveillance-class storage. Specifically tuned for surveillance security systems.
Caching algorithms are tuned for write-intensive, low bit rate, high stream count applications that are typical of surveillance applications. Priority change for write allocations and preemptive caching policies.