Western Digital.

Western Digital put it this way on their own company page: their vision is to unleash the power and value of data, and for decades they have been at the forefront of storage innovation, delivering for hyperscalers, enterprises and cloud providers. What that means on a quote here is a colour-coded shelf with no ambiguity in it: Purple for the drives that sit under a camera system, Red for a NAS, Gold and Ultrastar for a rack, Blue for a desktop, and My Passport and Elements for the drive somebody carries home. Each is rated for a different duty cycle, and a surveillance recorder loaded with desktop drives is the most common expensive mistake in this category.