This is absolutely true, you can for example run pg_test_fsync to test your fsync performance. On Ubuntu, if you have installed PostgreSQL this is available at

This is absolutely true, you can for example run pg_test_fsync to test your fsync performance. On Ubuntu, if you have installed PostgreSQL this is available at /usr/lib/postgresql/9.5/bin/pg_test_fsync I get 4000 IOPS on my old Intel 320, which beats the crap out of most "top" performers on the consumer side today.