Good:- fast (for a NAS)- hackable, can run torrent, media server etc.- clever case, easy to add a diskBad:- Noisy - hard disk noise resonates in the case- Will get very hot w/ 2 harddisks- When I added a second harddisk, it said it would format the new one - it stated the model number so I am 100% sure of this - , and then proceeded to format the old one. D-Link support said "it seems you lost your data". Thanks!