WD Purple 2TB Internal Hard Drive Surveillance HDD 3.5" SATA III 64MB WD22PURZ

Western Digital Purple 2TB, Internal Hard Drive, WD22PURZ, 3.5"/5400 RPM,64MB. Built for 24/7, always-on, high-definition security systems. WD Purple Surveillance. The WD Purple Drive Is designed for both DVR and NVR security systems and is compatible with many of the leading surveillance and security manufacturers.

eBay