Transceivers: Modular connection solutions for your network
Transceivers are key components of modern network technology - they enable flexible data transmission via copper or fiber optics and can be integrated directly into switches, routers, or firewalls. With the right transceiver modules, you can expand your infrastructure with Gigabit or high-speed connections - exactly as needed.
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Brocade 340 Sixteen ports enabled with Full Fabric functionality 8Gbps Short Wave Length (SWL) SFPs Includes Enterprise Group Management (EGM)
Aruba XFP - 1310nm serial pluggable XFP optic (LC) for up to 10km over SMF (used in M3 only), compatible
SFP form factor, ZX 1Gb optical transceiver, 80Km reach, SMF, duplex LC, compatible
QSFP+ form factor, 40Gb SR4 optical transceiver, short reach 100m OM3, 12 strand MPO connector, IEEE 802.3ba 40GBASE-SR4 compliant
25GBASE-SR Module supports a link length of 70m on MMF (OM3) and up to 100m on MMF (OM4).
NETGEAR AXM765v2 - SFP+ transceiver module - 10 GigE - 10GBase-T - RJ-45 - up to 80 m
100Base-BXU SFP optic SMF, transmits at 1310nm and receives at 1550nm, LC connector. This optic should only be connected to an E1MG-100BXD at the far end.
Four channel 40 Gigabit optical transceiver (QSFP). Supports single mode fiber over 1310nm wavelength. Typical reach 10 km, compatible
1-port 10GBASE CWDM Small Form-Factor Pluggable (SFP+) Optics Module, Single Mode Fiber (SMF), 70km, 1611 nm, LC Connector, Digital Diagnostic Monitor (DDM).
What is a transceiver and how does it work?
A transceiver (transmitter + receiver) sends and receives data via network cables - in the form of light (fiber optic) or electrical signals (copper). It is plugged into standardized ports such as SFP, SFP+, or QSFP and is often hot-swappable, meaning it can be replaced during operation.
Typical applications:
- Connecting network components over long distances
- Upgrading existing networks to higher bandwidths
- Integration into modular switches, firewalls, or storage systems
Overview of common transceiver formats
SFP & SFP+:
- SFP module: The standard for 1 Gbit/s connections
- SFP+ module: Supports up to 10 Gbit/s – ideal for servers or core switches
- SFP S / SFP SFP+: Combinations or product names in manufacturer documentation, often used synonymously
Other formats:
- QSFP/QSFP28: For 40G, 100G, or 400G applications
- SFP28: 25G transceiver for modern data centers
Fiber optic transceivers vs. copper
Fiber optic transceivers enable interference-free transmission over long distances - ideal in data centers, between buildings, or in EMC-critical environments. In comparison, copper transceivers are suitable for short distances (up to 100 m) and standardized cabling.
Advantages of fiber optics:
- High bandwidths (10G, 25G, 100G+)
- Low latency
- Insensitive to electromagnetic interference
When selecting a fiber optic transceiver module, wavelength, distance, and fiber type (single-mode vs. multi-mode) should be taken into account.
Manufacturer compatibility: Cisco, Juniper, Aruba, Dell, Lenovo, and many more
Transceivers are often manufacturer-specific. it-market offers a wide selection of compatible modules for the following systems:
- Cisco transceivers: e.g., for Catalyst, Nexus, or Meraki series
- Juniper transceivers: for EX, QFX, and MX platforms
- Aruba transceivers: for Aruba switches or Instant-On solutions
- Dell & Lenovo transceivers: specially validated modules for PowerSwitch and ThinkSystem environments
- And many other manufacturers
Transceivers: new, used, and refurbished at it-market
At it-market, you will find tested network transceivers for all common manufacturers and requirements. Whether you need an SFP module, a 10G SFP+, a QSFP, or a fiber optic transceiver, we offer new, used, and refurbished transceivers with tested quality.
Benefit from:
- 3-year warranty for companies
- Up to €2,500 buyer protection
- Short delivery times
Do you have any questions? Our sales team is happy to answer your questions about IT hardware and IT remarketing.