Network attached storage or NAS refers to the storage device that remains connected to the network for allowing storage and data retrieval from any central location meant for the authorized users and varied clients. These are highly flexible and less expensive. Thee offer faster performance giving the user complete control and all benefits of the public cloud on site. These are easy to operate and function without needing a dedicated IT professional. Since it functions as a private cloud, one can access data remotely using network connections. Therefore, it is ideal for employees working from any location.