"The AS-604T was a very pleasant surprise.
Our first experience with the ASUSTOR brand was unambiguously positive.
ASUSTOR's AS-604T is awell-tuned high performance NAS,
that is easy to use and has a large number functions."
More details
http://www.asustor.com/news/ITSystem_8_2014review_AS_604t.pdf
ASUSTOR AS-604T
http://www.asustor.com/product?p_id=1&lan=en