The 4TB Purple 5400 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD 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, AllFrame 4K technology helps improve video capturing and reduces errors, pixilation, and video interruptions that could happen in a video recorder system.

Features

• 4TB Storage Capacity
• 3.5" Form Factor
• SATA III 6 Gb/s Interface
• 256MB Cache
• 5400 rpm
• Up to 150 MB/s Sustained Data Transfers
• 300,000 Load/Unload Cycles
• 180TB per Year Workload Rating
• Designed for 24/7 Surveillance
• Supports up to 64 HD Cameras