SATA Hard Drive 4TB (4000GB) 3.5"
Western Digital WD Purple
24x7 reliability: These drives are designed to last in high temperature always-on streaming digital audio/video environments such as PVR/DVR, NVR, IPTV, and video surveillance systems.
Capacity: 4TB (4000GB)
Manufacturer's Warranty: 36 months
OEM Edition, Bulk packaging