TP-Link

TP-Link TL-SG108 8-Port Gigabit Ethernet Switch Renewed

4.6 (224 reviews)

Eight ports of unmanaged gigabit switching in a fanless metal chassis — plug in and forget about it.

$14.99*$19.99Save 25%
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The TP-Link TL-SG108 is an 8-port unmanaged gigabit Ethernet switch designed to do one thing well: add more wired network ports without any complexity. Each of its eight RJ45 ports auto-negotiates at 10/100/1000 Mbps, delivering full gigabit throughput with a non-blocking switching architecture. IEEE 802.3x flow control prevents packet loss under heavy traffic, while 802.1p and DSCP QoS automatically prioritize latency-sensitive traffic like video conferencing and streaming — all without a management interface or any user intervention. For home labs, small offices, or anyone whose router has simply run out of Ethernet ports, it solves the problem immediately.

The hardware itself is a compact metal enclosure with a fanless design, meaning it operates in complete silence — an important detail for desk or living room placement. Wall-mounting holes on the underside give you placement flexibility. The green Ethernet technology adjusts power draw based on cable length and link status per port, keeping maximum consumption under 4 watts. Auto-MDI/MDIX on every port eliminates crossover cable requirements entirely. As a renewed unit, this particular listing offers the same functionality and TP-Link's limited lifetime warranty at a reduced price point, making it a practical choice for budget-conscious network expansion where managed features like VLANs or port mirroring are not required.

Key Features

PLUG-AND-PLAY - Easy setup with no configuration or no software needed

ETHERNET SPLITTER - Connectivity to your router or modem for additional wired connections (laptop, gaming console, printer, etc)

8 Ports GIGABIT ETHERNET - 8 10/100/1000 Mbps Gigabit auto-negotiation RJ45 ports greatly expand network capacity

STURDY METAL CASE - Fanless Quiet Design, Desktop or wall-mounting design. Operating temperature- 0 ̊C to 40 ̊C (32 ̊F to 104 ̊F); Storage Temperature: -40°C~70°C (-40°F~158°F)

RELIABLE - IEEE 802.3x flow control provides reliable data transfer

TRAFFIC OPTIMIZATION - 802.1p and DSCP QoS enable smooth latency-sensitive traffic such as voice and video

UP to 80% Power Saving - Automatically adjusts power consumption according to the link status and cable length

AUTO-NEGOTIATION - Supports Auto-MDI/MDIX, eliminating the need for crossover cables

LIMITED LIFETIME WARRANTY and unlimited 24/7 technical support for FREE.Power Consumption : Maximum:3.97 (220V/50Hz)

Specifications

Brand
TP-Link
Model
TL-SG108
Ports
8 x 10/100/1000 Mbps RJ45 (auto-negotiation)
Switching Capacity
16 Gbps (non-blocking)
Standards
IEEE 802.3x flow control, 802.1p/DSCP QoS
Auto-MDI/MDIX
Yes
Enclosure
Sturdy metal case, fanless
Mounting
Desktop or wall-mount
Max Power Consumption
3.97W (220V/50Hz)
Operating Temperature
0°C to 40°C (32°F to 104°F)
Storage Temperature
-40°C to 70°C (-40°F to 158°F)
Condition
Renewed

Pros & Cons

👍 Pros

  • Full gigabit on all eight ports with auto-negotiation means no bottlenecks for NAS transfers, streaming, or local backups
  • Fanless metal enclosure runs completely silent and dissipates heat effectively without moving parts
  • 802.1p and DSCP QoS prioritizes video calls and streaming traffic without any manual configuration
  • Auto-MDI/MDIX eliminates the need for crossover cables, simplifying cabling in any setup
  • Power consumption maxes out under 4 watts, and the green Ethernet feature drops that further based on actual link usage

👎 Cons

  • No management interface means you cannot configure VLANs, port mirroring, or per-port speed limits if your needs grow
  • The included power adapter uses a barrel connector rather than integrated power, adding cable clutter at the desk
  • As a renewed unit, cosmetic imperfections on the metal case are possible even though functionality is tested
  • No PoE support, so devices like IP cameras or access points still need separate power sources

Frequently Asked Questions

No. The TL-SG108 is a true plug-and-play unmanaged switch. Connect the power adapter, plug in your Ethernet cables, and it auto-negotiates link speeds on every port. There is no management interface, no software to install, and no configuration needed.
No. All eight ports support full gigabit (1000 Mbps) speeds with a non-blocking switching fabric, so devices connected through this switch get the same throughput they would plugged directly into a gigabit router port. The switch also supports 802.1p and DSCP QoS to prioritize latency-sensitive traffic.
Yes — that is the primary use case. Connect one port to your router via a standard Ethernet cable, and the remaining seven ports become available for your devices. Auto-MDI/MDIX means any standard Ethernet cable will work; no crossover cable is needed.
The switch automatically detects cable length and link status on each port. Ports connected with shorter cables or ports with no active link draw less power. TP-Link rates this at up to 80% power savings compared to always-on full-power operation.
Renewed units are backed by TP-Link's limited lifetime warranty and include unlimited 24/7 technical support. Verify the specific renewed seller's return policy for additional coverage details.