WD 6TB 3.5″ SATA Purple

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
Built for always-on surveillance storage applications
WD Purple surveillance storage is built for 24/7 always-on surveillance in high-definition security systems that use up to eight hard drives and up to 32 cameras. Exclusive All Frame technology works with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems.
All Frame technology for reduced pixilation and video interruption