[olegkikin]

2011: Benchmarking Cassandra Scalability on AWS - Over a million writes per second

http://techblog.netflix.com/2011/11/benchmarking-cassandra-s...

Also a single SSD from 2015 is rated at 120K writes per second:

PM1725: http://www.samsung.com/semiconductor/global/file/insight/201...