Maximise your network performance: Discover our premium SFP modules for ultimate flexibility and reliability!
Dive into the fascinating world of SFP modules and take your network and telecom infrastructure to the next level! Our range of high quality SFP (Small Form-factor Pluggable) modules allows you to optimise your connections, increase performance and enhance the flexibility of your network.
Whether you need Gigabit or 10 Gigabit Ethernet speeds, we offer both SFP and SFP+ modules that are perfect for your needs. Experience seamless data transfers and improve the efficiency of your network with our premium modules.
We also offer both single-mode and multimode SFP modules that are designed to work with different types of fibre optic cables. So, you can find the ideal solution for your specific range and budget requirements. Our experts can help you choose the perfect module for your project.
Browse through our category page and discover the variety of SFP modules that will give your network the edge. Be inspired by our high-quality products and our first-class customer service.
What is an SFP module?
An SFP (Small Form-factor Pluggable) module is a compact, pluggable optical transceiver module used in networking and telecommunications equipment such as switches, routers, and media converters. SFP modules are used to connect network devices via fibre optic or copper cables and transmit data over various distances and speeds.
There are different types of SFP modules that vary in range, wavelength, and data rate. Examples are:
SFP (1 Gbit/s): This module supports Gigabit Ethernet connections and is the predecessor of SFP+.
SFP+ (10 Gbit/s): This module enables 10 Gigabit Ethernet connections and is backward compatible with standard SFP modules.
BiDi SFP: These modules use bi-directional (BiDi) technology to send and receive data over only one fibre, reducing the number of fibres needed.
The use of SFP modules offers several advantages, such as the flexibility to support different connection types and ranges, and the ability to easily replace defective modules without having to replace the entire unit.
What is the difference between SFP and SFP+?
SFP (Small Form-factor Pluggable) and SFP+ (Small Form-factor Pluggable Plus) are both optical transceiver modules used in networking and telecommunications equipment. They are physically similar, but differ mainly in their data rate and performance:
Data rate: The main difference between SFP and SFP+ is the supported data rate. SFP modules support data rates of up to 1 Gbit/s (Gigabit Ethernet), while SFP+ modules support data rates of up to 10 Gbit/s (10 Gigabit Ethernet). This means that SFP+ modules offer higher bandwidth and faster data transmission than SFP modules.
Power: SFP+ modules generally consume less power than SFP modules because they are based on newer technologies. This makes them more energy efficient and environmentally friendly.
Backwards compatibility: SFP+ modules are usually backwards compatible with SFP modules, so they can be used in devices designed for SFP modules. However, only the speed of 1 Gbit/s (Gigabit Ethernet) is achieved.
Although SFP+ is more advanced in terms of data rate and performance, the choice between SFP and SFP+ depends on the requirements of the network. In some cases, a Gigabit Ethernet connection (1 Gbit/s) is sufficient, while in other cases a higher bandwidth is required, which can be achieved by 10 Gigabit Ethernet (10 Gbit/s).
Which SFP module is there?
There are different types of SFP (Small Form-factor Pluggable) modules, which differ in terms of data rate, range, wavelength, and cable type. Here are some common SFP modules:
1000BASE-T SFP: This module supports Gigabit Ethernet (1 Gbit/s) over copper cable (twisted pair) with a range of up to 100 metres.
1000BASE-SX SFP: This module uses multimode fibre optic cable for Gigabit Ethernet connections and supports a range of up to 550 metres at a wavelength of 850 nm.
1000BASE-LX SFP: This module supports Gigabit Ethernet over single-mode fibre optic cable and provides a range of up to 10 kilometres at a wavelength of 1310 nm.
1000BASE-EX SFP: Like the 1000BASE-LX module, but this module offers a longer range of up to 40 kilometres at a wavelength of 1310 nm.
1000BASE-ZX SFP: This module supports Gigabit Ethernet over single-mode fibre and offers a range of up to 70 kilometres at a wavelength of 1550 nm.
BiDi (Bidirectional) SFP: These modules use bidirectional technology to send and receive data over just one fibre. They are available in different ranges and wavelengths, such as:
1000BASE-BX10-U / 1000BASE-BX10-D SFP: These modules support Gigabit Ethernet over single-mode fibre and provide a range of up to 10 kilometres with different wavelengths (e.g. 1310 nm for uplink and 1490 nm for downlink).
1000BASE-BX40-U / 1000BASE-BX40-D SFP: These modules offer a longer range of up to 40 kilometres at different wavelengths (e.g. 1310 nm for uplink and 1550 nm for downlink).
The choice of the right SFP module depends on the requirements of the respective network, such as the required range, the supported data rate and the type of cable used.
What is the difference between single-mode and multimode SFP modules?
Fibre optic cables are used to transmit light signals to transfer data over long distances. Singlemode and multimode fibre optic cables differ in their properties and applications:
Singlemode SFP modules: These modules are designed for use with singlemode fibre optic cables. Singlemode cables have a smaller core (about 9 microns) and enable the transmission of light signals over longer distances, as they only allow a single light mode. This reduces signal attenuation and increases the range. Singlemode SFP modules are often used in applications that require high bandwidth and long ranges, such as wide area networks (WANs) and the internet backbone.
Multimode SFP modules: These modules are designed for use with multimode fibre optic cables. Multimode cables have a larger core (about 50 or 62.5 microns) and enable the transmission of light signals over shorter distances because they allow multiple light modes. This results in higher signal attenuation and a more limited range. Multimode SFP modules are often used in applications that require a shorter range, such as local area networks (LANs) and data centres.
The choice between singlemode and multimode SFP modules depends on the requirements of the network in question, especially the required range and the available infrastructure. Singlemode modules are usually better suited for longer distances, while multimode modules are preferred for shorter distances and lower costs.
FaQ on the topic of SFP modules:
How do I choose the right SFP module for my network?
When choosing the right SFP module, you should consider the requirements of your network, such as the range needed, the data rate supported, and the type of cable used. Be sure to choose a module that is compatible with your network equipment and existing cables.
Are SFP modules backward compatible?
SFP+ modules are usually backwards compatible with SFP modules, so they can be used in equipment designed for SFP modules. However, only the speed of 1 Gbit/s (Gigabit Ethernet) is achieved.
What ranges can SFP modules support?
The range of SFP modules varies depending on the type and application. Some modules support ranges of up to 100 metres (e.g. 1000BASE-T SFP), while others allow ranges of several kilometres (e.g. 1000BASE-LX or 1000BASE-ZX). The choice of the right module depends on the requirements of your network.