Difference between WD Purple Pro and WD Purple

which hard disk is best for cctv installation

Hi @anandcctv,

Please refer to the below links to check compatibility for your CCTV camera and the features of drives:

WD Purple: WD Purple Surveillance Hard Drive for DVR or NVR Security System HDD | Western Digital

WD Purple Pro: https://www.westerndigital.com/en-in/products/internal-drives/wd-purple-pro-sata-hdd#compatibility