Summary: Nothing needs to be said about Hitachi drives - they are the best. The supplier, Aeon, provided surprising and remarkable support in resolving an issue with my order. I wish I new how to create a review that effectively presents my opinion of their customer service.
Summary: A single ssd may be fast, but in a raid 6 array while faster but would very costly. I went with 5 of these connected to an areca 1220 sas raid controller I'm getting 6 ms access time, 700 mb/sec peak i/o with an average of 500 mb/sec for both read/write.