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HDD Capacity Threshold Reaches 15TB

Western Digital has announced what is currently the largest capacity hard drive available on the market today.  The Ultrastar DC HC620 has 15TB of capacity in a helium-filled 3.5″ form-factor.  This is a 7% increase (or obviously 1TB) over the 14TB drive announced in October 2017. Incremental The new capacity drive looks more like an… Read more »

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It’s Time for Hard Drives to Join Tape In The Archive Tier

This week we’ve seen the announcement of 14TB 3.5” hard drives from one vendor and 12TB from another. It’s hard to imagine the concept of 14TB in a single hard drive when ten years ago we were looking at only 1TB devices. However, these devices have a problem. The throughput and latency has remained relatively… Read more »

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Dude, Where’s My 100TB Hard Drive?

It wasn’t that long ago we were being promised hard drives of unimaginable capacities.  I’m sure that at some stage triple digit numbers were being talked about.  However today we’re stuck with a “mere” 12TB of capacity per drive.  So what went wrong, or are we just being a little too hopeful? I did some… Read more »

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When Did Hard Drives Get Workload Rate Limits?

A recent article on The Register reminded me that we’ve started to see hard drive vendors introducing warranty limits on their hard drives for the amount of data that can be written to them in any one year.  Solid state drives have always had this restriction, because we know that flash is damaged by being… Read more »