Connecting a NAS to your home router is the step that turns a standalone storage box into a device every screen and gadget in the house can reach. Whether you have just unboxed a new unit or you are moving one to a new router, this guide walks you through the physical connection, the network settings that make it reliable, and how to actually find and use the shared drive from your computers and phones.

What you’ll need

  • A NAS device with its power adapter
  • An ethernet cable (most NAS units do not rely on Wi-Fi)
  • A free LAN port on your router or network switch
  • A computer or phone on the same network for setup
  • Your router’s admin login details, usually printed on the router or in its app

Step 1: Connect the NAS physically

  1. Place the NAS somewhere with airflow, ideally close to your router or switch so a short ethernet run is possible.
  2. Plug one end of an ethernet cable into the NAS’s LAN port and the other end into a free port on your router.
  3. Connect the power adapter and switch the NAS on. Most units take a minute or two to fully boot, so wait for the front status light to settle before moving on.
  4. If your NAS has two LAN ports and your router supports link aggregation, you can connect both cables later for extra throughput, but a single cable is all you need to get started.

Step 2: Find the NAS on your network

  1. Open the NAS manufacturer’s discovery tool or app on a computer connected to the same router. Most NAS brands provide one, and it scans the local network for the device automatically.
  2. Alternatively, log into your router’s admin page and check the list of connected devices. The NAS should appear with a name and an IP address once it has picked up an address from the router.
  3. Note that IP address, since you will use it (or the device name) to access the NAS’s web interface in a browser.

Step 3: Set stable network settings

  1. By default, most routers hand out IP addresses dynamically through DHCP, which is fine for everyday use but can cause the NAS’s address to change occasionally.
  2. To avoid that, open your router’s settings and create a DHCP reservation (sometimes called a static lease) tied to the NAS’s network hardware address, so it always receives the same IP.
  3. Save the change and restart the NAS if prompted, then confirm the address has stayed the same by checking the router’s device list again.
  4. A stable address matters most if you plan to map network drives, run media server apps, or access the NAS remotely, since those tools often rely on a consistent address.

Step 4: Access shared folders from your devices

  1. On a Windows PC, open File Explorer and use the network address or the “Map network drive” option, entering the NAS’s IP address or share name so it appears as its own drive letter.
  2. On a Mac, use Finder’s “Connect to Server” option and enter the NAS’s address to browse and mount its shared folders.
  3. On phones and tablets, install the manufacturer’s file access app, which lets you browse, upload, and stream files without manually typing network addresses.
  4. Once connected, test the link by copying a small file to the NAS and confirming it appears when you refresh the folder from another device.

If you are setting up a NAS for the very first time, it helps to work through the process alongside a guide to setting up a NAS at home, since the initial setup wizard and drive formatting happen before you get to network sharing.

Tips and troubleshooting

  • If the NAS does not appear in your router’s device list, double-check the ethernet cable is fully seated at both ends and try a different LAN port.
  • Slow transfer speeds are often down to an older ethernet cable or a router port running at a lower speed than the NAS supports, so check the port and cable rating if copying large files feels sluggish.
  • If a mapped drive disconnects after a restart, reconnect using the NAS’s fixed IP address rather than its name, since name resolution can be less reliable on some home networks.
  • Keep the NAS’s firmware and the router’s firmware updated, since compatibility issues between older router software and newer NAS features are a common cause of dropped connections.
  • For a deeper look at getting the most from your setup, the ultimate NAS guide for home users covers backup strategies and folder organisation once the network side is sorted.

Frequently asked questions

Can I connect a NAS to my router over Wi-Fi instead of ethernet?

Some NAS models include Wi-Fi, but a wired ethernet connection is strongly recommended because it is faster and far more stable for sustained file transfers, backups, and media streaming.

Why does my NAS need a static IP address?

A static or reserved IP address stops the NAS’s network address from changing after a restart, which keeps mapped drives, remote access, and apps like media servers working without needing to be reconfigured.

Do I need a network switch as well as a router?

Not necessarily. Most home routers have enough LAN ports for a NAS and a couple of other wired devices. A switch only becomes useful once you run out of free ports or want to expand the wired network, and reviewing your router’s app or interface for managing your home network with a router app can help you check port usage.

What can I do once the NAS is connected to my router?

Once the NAS is reachable on your network, you can use it for shared file storage, automated backups, and media streaming. Many home users go on to set up Plex on your NAS to stream their own movies and shows to every TV and device in the house.