This post first appeared on the Kaminario Blog –

At a superficial level, it’s easy to assume that all solid-state disks (SSDs) are the same. In reality, that assumption couldn’t be further from the truth. SSDs continue to evolve and are dividing into a broad product category, in much the same way that hard disk drives have done over the last 10-20 years. The result of this is that devices on the market vary in terms of price, capacity, endurance and performance. Choosing the right SSD to use in all-flash arrays becomes a mix of all these factors, plus one vitally important one; the way in which data is written to and from the device.

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Written by Chris Evans

With 30+ years in IT, Chris has worked on everything from mainframe to open platforms, Windows and more. During that time, he has focused on storage, developed software and even co-founded a music company in the late 1990s. These days it's all about analysis, advice and consultancy.