Multi-Gig Switch 9-Port TEG-S591 - 8x2.5G + 10G for Fast LAN

In this review of the TRENDnet TEG-S591, the bottom line is simple: this is a compact, no-frills multi-gig Ethernet switch built for users who need higher-than-gigabit LAN speeds without rewiring. It is best for small offices, home networks with high-speed internet, or workgroups adding a 10G uplink. The biggest reason to buy is the combination of eight 2.5G RJ-45 ports and a dedicated 10G RJ-45 port that deliver multi-gig throughput over existing Cat5e or better cabling, all in a fanless, wall-mountable metal enclosure with TRENDnet lifetime protection.

Key Features

• Multi-gig ports: Eight 2.5G RJ-45 ports let existing Cat5e cabling carry up to 2.5Gbps to compatible devices, increasing LAN capacity without re-cabling.
• 10G uplink: One dedicated 10G RJ-45 port supports 10Gbps links for NAS or aggregation to minimize bottlenecks.
• Quiet fanless design: The fanless construction reduces noise and lowers power draw, making the switch suitable for home offices and noise-sensitive spaces.
• Standards compliant: Conforms to IEEE 802.3bz, 802.3an and 802.3ab standards for predictable interoperability with multi-gig and 10G devices.
• Durable support: TRENDnet Lifetime Manufacturer Protection and English-speaking tech support provide long-term confidence for deployments.
• Installation flexibility: Wall-mountable design and LED indicators simplify placement and status checks during setup.

Who It's For

The TEG-S591 is aimed at small businesses, content creators, and advanced home users who want to push beyond 1Gbps inside the LAN without buying new cabling. It is well suited for homes with gigabit fiber where multiple clients need higher-than-1Gbps access, or for SMBs that want a cost-effective 10G uplink to a NAS or core switch.

It is less appropriate for large datacenter racks that require managed switching, PoE, or modular port density. Users who need VLAN, QoS controls, or active cooling for heavy sustained switching should look at managed or chassis-class alternatives.

Pros & Cons

Pros

• Eight 2.5G ports plus a 10G RJ-45 port provide flexible multi-gig capacity without recabling.
• Fanless, compact build is quiet and wall-mountable for flexible placement.
• Standards compliance and solid build quality give commercial-grade reliability for SMB and home use.
• TRENDnet lifetime protection and available English-speaking tech support add long-term peace of mind.

Cons

• Unmanaged design means no VLAN or advanced traffic control for networks that require granular configuration.
• Some users report occasional connectivity quirks in specific environments, so testing in your setup is advised.

Specifications

Our Verdict

The TRENDnet TEG-S591 is a practical, value-oriented multi-gig switch for homes and small businesses that need faster LAN speeds and a 10G uplink without managed features. Its fanless design, solid build and lifetime protection make it a reliable choice where simplicity and throughput matter more than advanced management. For most SMBs and advanced home users looking to increase internal network speed, it represents good value.

Frequently Asked Questions

Can I use existing Cat5e cabling for 2.5G speeds?
Yes. The switch supports up to 2.5Gbps over Cat5e or better, allowing higher throughput without re-cabling.

Does the switch require active cooling?
No. The TEG-S591 uses a fanless design for quiet operation, suitable for home and office locations.

Is this an unmanaged switch?
Yes. It is an unmanaged plug-and-play switch, so it does not provide VLAN, QoS or other managed features.