TP-Link

TP-Link TL-SG105S-M2 5-Port 2.5G Multi-Gigabit Switch

4.7 (129838 reviews)
4KWiFi 6

Upgrade Your Network with the TP-Link TL-SG105S-M2 The TP-Link TL-SG105S-M2 is a 5-Port 2.5G Multi-Gigabit Desktop Switch designed to provide super-fast connections for your home or office network. This unmanaged network switch is perfect for users looking to upgrade to 2.5 Gbps speeds without t...

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Overview

Upgrade Your Network with the TP-Link TL-SG105S-M2

The TP-Link TL-SG105S-M2 is a 5-Port 2.5G Multi-Gigabit Desktop Switch designed to provide super-fast connections for your home or office network. This unmanaged network switch is perfect for users looking to upgrade to 2.5 Gbps speeds without the need for new cabling. With its silent operation and plug-and-play setup, it's an ideal solution for LAN parties, home entertainment, and small office environments.

Specifications:

  • Number of Ports: 5
  • Interface Type: RJ45
  • Data Transfer Rate: 25 Gbps
  • Switch Type: Unmanaged
  • Case Material: Metal
  • Cooling: Fanless
  • Compatible Devices: Desktop

Key Features

𝗙𝗶𝘃𝗲 𝟮.𝟱 𝗚𝗯𝗽𝘀 𝗣𝗼𝗿𝘁𝘀 𝗳𝗼𝗿 𝗦𝘂𝗽𝗲𝗿-𝗙𝗮𝘀𝘁 𝗖𝗼𝗻𝗻𝗲𝗰𝘁𝗶𝗼𝗻𝘀: 5× 2.5-Gigabit ports unlock the highest performance of your Multi-Gig bandwidth and devices, and provide up to 25 Gbps of switching capacity.

𝗔𝘂𝘁𝗼-𝗡𝗲𝗴𝗼𝘁𝗶𝗮𝘁𝗶𝗼𝗻: Auto-negotiation intelligently senses the link speeds and adjusts between 3-speeds (100Mb/1G/2.5G) for compatibility and optimal performance for all your devices, including 2.5G WiFi 6 AP, 2.5G NAS, 2.5G PCIe Adapter, 2.5G Server, gaming computer, 4K video, and more.

𝗜𝗱𝗲𝗮𝗹 𝗳𝗼𝗿 𝗩𝗮𝗿𝗶𝗼𝘂𝘀 𝗦𝗰𝗲𝗻𝗮𝗿𝗶𝗼𝘀: Built for LAN parties, home entertainment, small and home offices, and instant transfer for workstations.

𝗛𝗮𝘀𝘀𝗹𝗲-𝗙𝗿𝗲𝗲 𝗖𝗮𝗯𝗹𝗶𝗻𝗴: Instantly upgrade to 2.5 Gbps without the need to upgrade to Cat6 wiring, reducing wiring costs and hassle. *

𝗦𝗶𝗹𝗲𝗻𝘁 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻: Industry-leading fanless design ensures silent operation, ideal for any home or business.

𝐒𝐭𝐮𝐫𝐝𝐲 𝐌𝐞𝐭𝐚𝐥 𝐂𝐚𝐬𝐞: Measuring at 5.45 x 4.96 x 3.98 inches, the durable metal casing and desktop/wall-mounting design are well-suited for different environments.

Specifications

Port Quantity
5
Port Speed
2.5-Gigabit
Switching Capacity
Up to 25 Gbps
Auto-Negotiation Speeds
100Mb/1G/2.5G
Design
Fanless
Casing Material
Sturdy Metal
Mounting Options
Desktop/Wall-mounting
Dimensions
5.45 x 4.96 x 3.98 inches

TP-Link Gigabit Ethernet Network Switch Family (5/8/16/24/48-Port) — Editorial Review & Buying Guide

The TP-Link TL-SG family covers TP-Link's entire mainstream unmanaged + smart-managed gigabit Ethernet switch line — TL-SG105 (5-port unmanaged), TL-SG108 / TL-SG108E (8-port unmanaged / smart), TL-SG116E (16-port smart), TL-SG1024S (24-port rackmount), TL-SG1048 (48-port rackmount), plus the multi-gigabit TL-SG105S-M2 / TL-SG108S-M2 (5/8-port 2.5Gbps) and managed FS308G variants. Per TP-Link's official Easy Smart Switch product family page, the line covers home + small office network upgrades from 100Mbps fast ethernet to 1Gbps / 2.5Gbps speeds, supports IEEE 802.3 / 802.3u / 802.3ab / 802.3x flow control, and includes auto-MDI/MDIX for cable polarity tolerance.

What the TP-Link TL-SG Family Specifically Wins

  • Gigabit (1000Mbps) speed across all ports — vs older 100Mbps switches, gigabit handles 4K streaming + multi-device home use + small office workflows comfortably
  • Plug-and-play unmanaged switches (TL-SG105, TL-SG108) — no configuration needed; plug cables in + works immediately
  • Smart-managed variants (TL-SG108E, TL-SG116E) — VLAN, QoS, port mirroring, link aggregation via web UI for users wanting basic management
  • Rackmount form factor (TL-SG1024S, TL-SG1048) — fits standard 1U rack slot. For larger home/office wiring closet
  • 2.5Gbps multi-gigabit variants (TL-SG105S-M2, TL-SG108S-M2) — for users with 2.5GbE-capable devices (modern NAS, WiFi 6E APs, gaming PCs) leveraging beyond gigabit
  • Auto-MDI/MDIX — automatically detects cable polarity; works with both straight-through and crossover cables
  • Metal chassis on most models — improved durability + heat dissipation vs plastic competitors
  • Wall-mountable mounting holes on rear — for permanent installations
  • Up to 6 hours of UPS-protected uptime in 5-port models — low power consumption means small UPS can sustain
  • Wide platform compatibility — works with any TCP/IP-capable device on the network

Where the TP-Link TL-SG Specifically Fits

  • Home network expansion — adding more ethernet ports to a home router that's run out of LAN ports (typical router has 4 LAN ports)
  • Home office / small business workgroup — 8-16 ethernet devices across a single switch
  • Workshop / garage networking — extending ethernet to a remote location with multiple devices
  • Conference room / classroom AV system — multiple ethernet-connected devices (projectors, IP cameras, IP phones)
  • Home theater / media room — Apple TV + console + Blu-ray + smart TV all on wired ethernet
  • NAS-connected workgroup — switching between NAS + multiple workstations
  • Server closet wiring — 24/48-port rackmount switches
  • Gaming PC ethernet setup — wired ethernet for low-latency gaming (better than Wi-Fi)
  • Surveillance / IP camera deployment — multiple PoE+ or non-PoE cameras to a single NVR
  • VoIP phone system rollout — switching between IP phones + traditional PSTN
  • Hotel / hospitality network — switch in each room for in-room ethernet

Honest Limits Buyers Should Know

  • Unmanaged switches (TL-SG105/108) cannot do VLAN / QoS. For network segmentation, multicast filtering, quality-of-service, step to smart-managed (TL-SG108E / TL-SG116E / FS308G) or fully-managed (TL-SG2008 / SG3210 series)
  • Not PoE-capable on most models. Standard TL-SG108 does NOT deliver power over ethernet. For PoE (powering IP cameras, IP phones, WiFi APs), use TP-Link's PoE variants (TL-SG1008P, TL-SG1218MP)
  • Multi-gigabit (2.5GbE) variants are limited. TL-SG105S-M2 / TL-SG108S-M2 are 2.5GbE; for 5GbE / 10GbE, step to TP-Link Omada or higher-tier MikroTik / Netgear pro switches
  • Rackmount switches (1024S, 1048) need 1U rack space. No rack? Use wall-mount or shelf placement
  • No web management on TL-SG105/108 (unmanaged). Smart-managed E-suffix variants have web UI; pure unmanaged switches have no configuration interface
  • Fan noise on rackmount switches. 24 / 48-port rackmount switches have small fans that produce audible whine in quiet rooms. For silent office deployment, prefer fanless 8/16-port models
  • Power consumption scales with port count. 5-port: ~5W; 48-port: ~30W. Calculate UPS / data center load
  • Limited buffer memory on cheaper models. Heavy multicast / broadcast networks can experience packet loss on entry-level switches. For high-traffic environments, step up to TP-Link Omada SG3210 / Cisco SG350 series
  • No firmware updates on truly unmanaged switches. Smart-managed switches receive firmware updates; pure unmanaged switches do not
  • Not for ISP-edge / public-facing network. These are LAN switches, not WAN routers. They cannot do DHCP / NAT / firewall functions

Where Buyers Should Look Elsewhere

  • 10GbE / multi-gigabit switching → TP-Link Omada SG3424XF, MikroTik CRS305, Netgear MS510TX, QNAP QSW-M408
  • PoE+ for cameras / phones / APs → TP-Link TL-SG1008P, TL-SG1218MP, TL-SG2210PP-M2
  • Enterprise managed switches → Cisco SG350 / SG500 series, Aruba Mobility 4400, MikroTik CRS328
  • Pure budget unmanaged → NETGEAR GS105 / GS108 (similar specs, slightly cheaper)
  • Fully-managed L3 switching → MikroTik CRS series, Cisco SG350, Juniper EX series
  • Fiber / SFP+ uplinks → MikroTik CRS305 (SFP+ ports), TP-Link Omada SG3210 series
  • Industrial / Power-over-Ethernet PoE++ (90W+) → industrial-grade switches (Phoenix Contact, Moxa, Hirschmann)

Sources & Citations

  1. TP-Link, "Easy Smart Switch product family page," tp-link.com (accessed 2026-05-18)
  2. SmallNetBuilder, "Network switch buying guide and reviews," smallnetbuilder.com (accessed 2026-05-18)
  3. Tom's Hardware, "Gigabit ethernet switch comparison," tomshardware.com (accessed 2026-05-18)
  4. ServeTheHome, "Network switch reviews and benchmarks," servethehome.com (accessed 2026-05-18)

Last verified: 2026-05-18

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Pros & Cons

👍 Pros

  • Equipped with five 2.5-Gigabit ports, maximizing bandwidth performance for multi-gig devices.
  • Offers up to 25 Gbps of switching capacity, handling high data loads efficiently across connected devices.
  • Features auto-negotiation, intelligently sensing and adjusting link speeds (100Mb/1G/2.5G) for optimal compatibility.
  • Ideal for various scenarios including LAN parties, home entertainment, small offices, and workstation data transfers.
  • Enables hassle-free cabling, allowing for an upgrade to 2.5 Gbps without needing to replace existing Cat5e or Cat6 wiring.
  • Boasts an industry-leading fanless design, ensuring silent operation suitable for any home or business environment.
  • Constructed with a sturdy metal case for durability and features desktop/wall-mounting options for flexible placement.

👎 Cons

  • The switch only offers 5 ports, which might be limiting for larger networks or those with many wired devices.
  • Requires devices with 2.5Gbps capability to fully utilize the enhanced multi-gigabit speeds.
  • While compatible with existing Cat5e/Cat6, older or lower-quality cables may still limit performance in some scenarios.
  • Does not include advanced managed features found in more complex network switches.
  • The compact size of 5.45 x 4.96 x 3.98 inches, while convenient, means it might not be suitable for very high-density rack installations.

Frequently Asked Questions

The TP-Link TL-SG105S-M2 5-Port 2.5G Multi-Gigabit Switch provides up to 25 Gbps of switching capacity across its five 2.5-Gigabit ports.
Auto-negotiation intelligently senses link speeds and adjusts between 3 speeds (100Mb/1G/2.5G) to ensure compatibility and optimal performance for various devices.
The TP-Link TL-SG105S-M2 is ideal for LAN parties, home entertainment, small and home offices, and for facilitating instant transfers for workstations, supporting devices like 2.5G WiFi 6 APs, NAS, and gaming computers.
Yes, the switch allows for an instant upgrade to 2.5 Gbps without requiring an upgrade to Cat6 wiring, which can reduce cabling costs and hassle.
Yes, the industry-leading fanless design of this switch ensures silent operation, making it suitable for quiet environments in homes or businesses.
The TP-Link TL-SG105S-M2 measures 5.45 x 4.96 x 3.98 inches and features a sturdy metal casing with desktop and wall-mounting design options.