I would like to have 6TB of RAID1 for CCTV footage. Instead of buying 2 6TB WD Purple drives + RAID enclosure, I was wondering if I can just get a MyBook Duo (which has 2 WD Red drives in it).

Will the WD Red hard drives die significantly faster if I use them for storing CCTV footage 24/7? Is it worth spending the extra money+time to get 2 WD Purples + a RAID enclosure?

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    The difference between Western Digital hard drives is in firmware design, not in durability. WD Purple is optimized for simultaneous sequential writes; WD Red is optimized for random read and write access. – Mark May 1 '17 at 20:22

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