WD 4TB Purple SATA III 3.5" Internal Surveillance HDD (Retail, 2-Pack)

The WD 4TB Purple SATA III 3.5" Internal Surveillance Hard Drive in a 2-pack from B&H is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 16 drive bays. With support for up to 64 high-definition surveillance cameras, this 4TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, WD AllFrame technology helps improve video capturing and reduces errors, pixilation, and video interruptions that could happen in a video recorder system.