I know it's not quite the same model, but I have the 211J.
I am using a couple of Samsung F4 EcoGreen 2TB drives in a Hybrid RAID configuration
Had mine setup for 2months now and no issues up to now. Very impressed with it all too.
I was recommended this site by another member on here. Their review of the Samsung drive had me sold
😀
http://www.silentpcreview.com/section13.html