what is best harddrive for security cameras

[RWDM3]

is it the purple (WD) or purple pro ?
if so what are differences
thanks !

 

[Mike A.]

I always feel like somebody's watching me: WD releases higher-rated Pro version of Purple surveillance HDD – Blocks and Files

Western Digital has launched a Pro version of its Purple surveillance system drive with a longer warranty and enhanced workload rating.

blocksandfiles.com

Regular purple is fine.