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Enterprise Enterprise Hard Drives

Enterprise-class drives are specified for random I/O and continuous duty rather than capacity. Tell us the workload and we will confirm this is the right tier for it.

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What makes a drive enterprise class

Three things, none of which is capacity: a 24/7 workload rating expressed in terabytes written per year, time-limited error recovery so the controller is not left waiting, and rotational vibration tolerance so a drive performs correctly in a chassis full of other spinning drives. A desktop drive of the same size has none of them. Our guide on NAS, enterprise and desktop drives sets out the differences.

Enterprise or nearline

Within enterprise drives the split is between performance drives at 10K and 15K, and nearline drives at 7,200 RPM built for capacity. Performance drives suit databases, virtualisation and anything random. Nearline suits backup, archive and sequential work. Browse nearline drives if capacity is the requirement, and see 15K versus 10K versus 7200 RPM.

When flash is the better answer

If you are buying spindles purely for IOPS, price the equivalent in enterprise SSDs before committing. A small number of flash drives often beats a shelf of 15K disks on latency, power and rack space. See enterprise SSD versus HDD.

What buyers ask about this category.

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