Switch TRENDnet TEG-S381 8‑port 2.5G unmanaged Ethernet switch

TRENDnet TEG-S381 8-port 2.5G unmanaged Ethernet switch supplies eight RJ45 ports capable of up to 2.5 Gbps per port, providing higher throughput than standard Gigabit switches for devices that support multigigabit Ethernet. As an unmanaged, plug-and-play device, it requires no configuration and is designed for simple integration into home networks, small office setups, and network edge expansion. The compact form factor and fanless design make it suitable for quiet environments while enabling faster file transfers, smoother streaming, and reduced network congestion when multiple wired devices are connected.

Advantages

The switch delivers multigigabit speeds on all ports, increasing available bandwidth for NAS, desktop PCs, gaming consoles, and wireless access points that can use more than 1 Gbps. Unmanaged operation ensures straightforward deployment without the need for management interfaces or VLAN configuration. The device supports auto-negotiation and auto-MDI/MDIX, simplifying cable connections and device interoperability. Its low-power, silent operation and sturdy build provide reliable, continuous performance for small networks.

Suitable for

• Home offices and remote work setups requiring faster wired connections
• Small business network expansion and edge switching
• Connecting NAS, desktop PCs, and multigig-capable access points
• Gaming rigs and media computers needing higher throughput
• Environments where a simple, plug-and-play switch is preferred

Key specifications

• Number of ports: 8 RJ45 copper ports
• Per-port speed: up to 2.5 Gbps (auto-negotiation with 10/100/1000/2.5G)
• Switching mode: unmanaged, plug-and-play
• Transmission method: store-and-forward switching
• Auto-MDI/MDIX support: yes (automatic crossover detection)
• Form factor: compact, desktop-mountable, fanless design
• Power: external power adapter (low power consumption)

How to use

Place the switch on a stable surface near your router or network devices and connect the external power adapter. Use standard Ethernet cables to connect devices to the RJ45 ports; the switch will auto-negotiate the highest common speed with each connected device. No additional configuration is required—devices become available on the network as soon as they are connected and powered. For optimal results, connect multigig-capable devices and your NAS to the 2.5G-capable ports to reduce bottlenecks on shared links.

Usage recommendations

To maximize performance, use quality Cat5e or Cat6 cables for 2.5G links and connect high-bandwidth devices directly to the switch. Place the switch in a well-ventilated area and avoid stacking heavy equipment on top. While unmanaged operation simplifies deployment, consider network segmentation at the router level if you need traffic isolation or advanced management features.