A network switch connects your wired devices—like PCs, game consoles, printers, TVs—so they can share your local network and reach the internet through your router.

• How it works: It learns device MAC addresses and forwards data only to the right port, helping reduce unnecessary traffic.
• Benefits: Adds more Ethernet ports, supports full‑duplex communication, and can improve stability versus relying only on Wi‑Fi.
• What it’s not: A switch isn’t a router or modem. It doesn’t create Wi‑Fi or assign IP addresses; it complements your router.
• Common features: Plug‑and‑play (unmanaged), gigabit or multi‑gig (2.5G/10G) speeds, silent fanless designs, and options with PoE for powering cameras or access points.

Use a switch when you want to add usable ports and keep multiple devices connected at the same time with proper network performance.

• Switch: Active device that manages traffic, negotiates speeds, and lets devices communicate simultaneously. Many are plug‑and‑play and can offer features like QoS or PoE.
• Splitter/coupler/selector: Passive adapters that don’t create extra network capacity. Some simply extend a cable; others manually toggle one line between two devices (not simultaneous). They can limit speed or cause link issues in certain setups.

If you’re expanding a home network—adding consoles, TVs, or a work PC—a switch is typically the more reliable path. Splitters are better reserved for niche cabling situations, but results can vary based on cable quality and equipment.

Switches remain popular because wired Ethernet can provide consistent speeds and low latency for tasks where stability matters.

• Reliable performance: Helpful for gaming, 4K streaming, video calls, and backing up to a NAS.
• Port expansion: Many routers have limited LAN ports; a switch adds more without complex setup.
• Power over Ethernet (PoE): Can power cameras or access points over the same cable, reducing clutter.
• Faster local transfers: Multi‑gig (2.5G/10G) models can speed up device‑to‑device copies.
• Quiet operation: Fanless designs fit well in living rooms or offices.
• Flexible control: Unmanaged models are simple; smart/managed options can add VLANs or traffic prioritization where needed.

Consider adding a switch when you’re running out of Ethernet ports or you want more stable connections for certain devices.

• More ports needed: You have multiple TVs, consoles, PCs, or smart home hubs near one outlet.
• Wired reliability: You prefer steady speeds for work calls, streaming, or gaming.
• PoE devices: You’re installing cameras or access points that can be powered over Ethernet.
• Faster file sharing: You use a NAS or transfer large files and want higher LAN throughput.
• Clean setup: A small, fanless switch near your media center reduces cable runs.

Match the switch’s port count and speed (Gigabit, 2.5G, or 10G) to your devices. On our site, you can filter by ports, speed, and PoE to find a good fit for your space.

A switch won’t make your internet plan faster, but it can help prevent local network bottlenecks and keep latency low when properly matched to your gear.

• Speed basics: Your ISP plan and router define your internet ceiling. A Gigabit or multi‑gig switch helps ensure wired devices aren’t capped by slower ports.
• Local transfers: Faster switches (2.5G/10G) can improve device‑to‑device copies on your LAN.
• Latency: Modern switches add minimal delay, typically negligible for most homes.
• Tips: Use quality Cat5e/Cat6 cables, avoid long chains of switches, and match port speeds across links. Some smart switches offer QoS, which can help prioritize important traffic.