We talk about the benefits of NAS servers a couple of times a month around here. It really doesn’t matter if you are storing a collection of family photos or your businesses tax returns, it’s all important data that you wouldn’t want to lose. The more data you have to store, the more expensive a NAS server can be. For home users a four to five drive NAS tends to be the optimal balance of protection and speed, but the cost can be as much as a new complete computer.