Following are some customer references with E-Series and EF-Series,
https://www.wou.edu/wp/underthehood/2014/10/10/netapp-ssd-solid-state-drive-update/
http://www.netapp.com/us/media/cs-6792.pdf
http://www.netapp.com/us/media/cs-6794.pdf
http://www.netapp.com/us/media/cs-worldwide-food-manufacturer.pdf
http://www.netapp.com/us/system/pdf-reader.aspx?m=cs-6745.pdf
http://www.netapp.com/us/system/pdf-reader.aspx?m=ds-3645.pdf
http://www.netapp.com/us/media/UCB-success-story.pdf
http://www.netapp.com/us/system/pdf-reader.aspx?m=cs-6748.pdf
http://www.netapp.com/uk/media/cs-diamond-light-source.pdf
http://www.netapp.com/us/system/pdf-reader.aspx?m=cs-global-software-developer.pdf
http://www.netapp.com/us/system/pdf-reader.aspx?pdfuri=tcm:10-110978-16&m=cs-global-online-retailer.pdf
In terms of verticals, E-Series and EF-Series caters to Legal, Research, Food manufacturing, Real estate, Pharmaceutical, Meterological, Scientific research, education, media & entertainment, High Technology, Technology, Oil & Gas, Health care, online sales, Manufacturing, Government, Telecommunications and Financial markets
In terms of use-case and workloads, E-Series and EF-Series are a great fit for the following,
* OLTP transactions (SQL, Oracle - Increased performance with faster database response times enhancing productivity of users)
* Analytics (SAS business intelligence and analytics, Open solution for Hadoop to perform big data analytics, Splunk, EDW, data warehouse)
* High performance computing (Digital research, genomic, clinical data studies, high performance data buffer)
* Private cloud deployment
* Financial decision making with high IOPS database and high bandwidth workloads
* Back up & recovery (measurement data and weather forecast, oil and gas exploration with high bandwidth and capacity requirment, backup for workflow solutions for real estate due diligence)
* Modelling (weather forecast)
* Indexing & Metadata
* Retreive medical images immediately
* Improve software build quality and speed time to market with reduced latency and high availability
* Accelerate payment transactions for a faster and more reliable checkout experience
* Instant access to patient's medical history and personal healthcare data to provide timely, high quality health services
* Video surveillance solution for HD digital camera to improve quality and routing of surveillance videos
* Significant rack space savings for archiving e-mail and disaster recovery