Seagate 4TB HDD | ST4000VX015

• Low activity power
• Low-RPM spindle speed
• Idle3 power mode support
• Performance-tuned for seamless video applications
• Reliability for 24×7 video surveillance applications
• State-of-the-art cache and on-the-fly error-correction algorithms
• Native Command Queuing with command ordering to increase performance in demanding applications