The D-Link DNS-321 is a network attached storage (NAS) device that allows users to easily store and share files across their network. It features two bays for 3.5 inch SATA hard drives, supports RAID 0 and 1 configurations, and includes Gigabit Ethernet connectivity. The device also offers a web-based interface for easy setup and management, as well as FTP and media server capabilities. The DNS-321 is an affordable and efficient solution for home and small office network storage needs.

The DNS-321 is a router manufactured by the company D-Link that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address , which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their and . Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.