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Beyond the Router: How to Choose the Right Network Switch for Your Office

Más Allá del Router: Como Elegir el Switch de Red Adecuado para su Oficina
// MÁS ALLÁ DEL ROUTER: COMO ELEGIR EL SWITCH DE RED ADECUADO PARA SU OFICINA

As a network grows, the router becomes the first bottleneck. Its limited Ethernet ports quickly fill up, and the reliance on Wi-Fi for critical devices, such as desktop computers, servers, or printers, compromises speed and stability. The professional solution to this challenge isn't another router, but a network switch .

This component is the true backbone of a robust, high-performance local area network (LAN). However, the market offers a wide range of options: unmanaged, managed, PoE, with varying numbers of ports and speeds. Making the wrong choice can lead to under- or over-investment.

This guide has been developed to demystify network switch technology, allowing you to accurately identify the features your home or business environment requires to operate at maximum efficiency.

1. What is a Network Switch and what is its Strategic Function?

In its simplest form, a network switch acts as a smart hub that expands the number of available Ethernet ports on your network. Unlike a simple power strip, a switch manages data traffic efficiently, sending information only to the correct destination device, rather than to all ports at once.

Its main function is to create a fast, stable, and secure local area network (LAN) for all your wired devices.

Why is it indispensable in a professional environment?

  • Reliability: A wired connection is inherently more stable and less susceptible to interference than Wi-Fi.

  • Speed: Offers the maximum possible transfer speed between devices on the internal network, crucial for working with large files, performing backups, or high-quality streaming.

  • Organisation: Centralises all wired connections at a single point, simplifying network management and diagnostics.

2. The Fundamental Decision: Unmanaged Switch vs. Managed Switch

This is the first and most important fork in the road. The choice depends entirely on the level of control and security your network requires.

Feature Unmanaged Switch Managed Switch
Configuration Plug and Play. No setup required. Just plug it in and it works. It requires configuration. It can be accessed via a web interface or command line to customise its operation.
Control and Visibility Null. Acts as a passive port expansion device. Total control. Allows you to monitor traffic, configure VLANs (virtual networks), prioritise traffic (QoS), and much more.
Security Basic. It does not offer additional security features. Advanced. Allows you to create access control lists, segment the network to isolate devices (e.g., cameras) and protect against unauthorised access.
Cost Low. It's the most economical option. Significantly higher.
Ideal Use Home networks, home offices, or small businesses without complex networking needs. Small, medium, and large businesses. Networks that require high security, segmentation, and performance optimisation.

3. The Three Key Factors for Selecting Your Switch

Once the type (manageable or not) has been decided, the choice is reduced to three technical variables.

Factor 1: Number of Ports

This is the number of devices you can connect. The recommendation is simple: count the number of devices you currently need to connect via cable and add 20-30% more ports for future expansion. Standard sizes are 5, 8, 16, 24, and 48 ports.

Factor 2: Speed (Gigabit as Minimum Standard)

The speed of the ports determines the performance of your internal network.

  • Fast Ethernet (10/100 Mbps): Obsolete for most current applications. Avoid.

  • Gigabit Ethernet (10/100/1000 Mbps): This is the minimum standard required today. It ensures that there will be no bottlenecks for internet access and file transfer in most offices.

  • Multi-Gigabit (2.5G/5G/10G): For very high-performance environments, such as network video editing, transferring large volumes of data to a NAS server, or interconnecting other switches.

Factor 3: Power over Ethernet (PoE)

PoE is a technology that allows power and data to be sent over the same network cable . It's a solution that drastically simplifies the installation of certain devices.

  • When is it necessary?: If you plan to install IP security cameras, VoIP phones, or Wi-Fi access points , a PoE switch eliminates the need to have a mains socket near each of them.

  • The "PoE Budget": It's not just about having PoE, but also about how much power it can supply in total. This value, measured in watts (W), is the PoE budget . You should add up the power consumption of all the PoE devices you will connect and ensure that the switch's total budget is greater than that sum.

4. Application Scenarios: From the Office to the Company


  • Case 1: Home Office or Small Office (1-5 people)

    • Requirements: To connect a PC, a network printer, and a NAS drive. No PoE devices are available.

    • Recommended Solution: Unmanaged 5 or 8-port Gigabit switch. It is an economical, reliable solution that requires no technical configuration.

  • Case 2: Small and Medium Enterprise (5-20 people)

    • Requirement: Connect 15 computers, 2 printers, 4 IP security cameras, and 2 Wi-Fi access points to provide coverage for the entire office. It is necessary to separate camera traffic from the rest of the network.

    • Recommended Solution: 24-port Gigabit Managed Switch with PoE+ (802.3at).

      • Manageable: to create a security VLAN for cameras and prioritise (QoS) IP telephony traffic.

      • PoE+: for seamlessly powering cameras and access points.

      • 24 Ports: to cover the current 23 devices and leave room for growth.


A network switch is a critical investment in the productivity and security of your digital infrastructure. Choosing the right switch isn't based on price, but on a precise assessment of your needs: the level of control (managed/unmanaged), the number of devices to connect, the required speed (Gigabit minimum), and the need to power remote devices (PoE).

At tiendacables.com , we offer a full range of professional-grade network switches, from Plug and Play solutions to managed models with PoE, designed to ensure sustained and reliable performance.

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