Introducing Amazon EC2 D3 and D3en, the next generation of dense HDD storage instances

Starting today, storage optimized Amazon EC2 D3 and D3en instances are available. These new instances are powered by 2nd generation Intel Xeon Scalable Processors (Cascade Lake) with a sustained all core frequency up to 3.1 GHz, and offer the highest density local HDD storage in the cloud.  

Source:: Amazon AWS