The SATA interface has presented valuable advantages in very large scale technology (VLSI) and high-speed serial transmission, enabling SATA drives to deliver an unbeatable blend of performance, flexibility, data integrity and reliability.
In NVR or DVR hard disks are connected to SATA connector on motherboard via SATA interface cable. It should be mentioned that each SATA interface can support specified hard disk capacity. There are two major advantages for SATA which encourage user to use SATA in video surveillance.