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Switch Modules: Efficient Network Expansion for Professional IT Environments

Switch modules are essential components of modern corporate networks and offer B2B customers a flexible way to expand the performance, functionality, and scalability of their network infrastructure in a targeted manner. They are used wherever standard switches reach their limits or where there are specific requirements for additional ports, bandwidth, or network protocols.

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Cisco C85FE-16F-16K
C8540 16-port 100-FX MT-RJ 16K (spare)
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Aruba 648311-B21
HPE 4X FDR IB Managed Switch - Switch - Managed - 16 x backplane + 16 x QSFP - plug-in module
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Juniper JNP10004-SF2
JNP10004 Switch Fabric Card
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Cisco A9K-24X10GE-SE
24-port 10GE, Service Edge Optimized LC
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Juniper MPC4E-3D-32XGE-R-B
MPC4E with 32x10GE SFPP ports. Includes full scale L2/L2.5, L3 and L3VPN features. Optics sold separately.
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HPE JD196A
HP A7502 Management Module
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Foundry WSM6-1
Web Switch Management Module with 1BP. Use for replacement and redundancy.
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Juniper MX2000-SFB2-S
MX2010/MX2020 Switch Fabric Board 2, Spare
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Nortel 8132
PASSPORT 8132 32 10/100BASETX ETHERNET PORTS EDGE SWITCH MODULE 1 MEDIA DEPENDENT ADAPTERS SLOT
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Juniper MPC4E-3D-2CGE8XGE-IR-B
MPC4E with 2x100GE and 8x10GE ports. Includes full scale L2/L2.5, L3 features and up to 32 L3VPN instances per card. Optics sold separately
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Cisco NCS-57B1-5D24H-SE
NCS57B1 Fixed Scale HW 5x400, 24x100 all QSFP-DD chassis
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Juniper MX2000-SFB-S
MX2000 Switch Fabric Board, Spare
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Nortel 8324GT
24 Port Passport Gigabit Switch Module
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Extreme ST4106-0348-F6G
S-I/OFAB W48 TS AF PoE W1 OptSlots (TAA)
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HPE JH850A
Arista 7500R 48SFP+ 2QSFP28 Module
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Extreme DS1404005
8624FX Enterprise RouteSwitch Module. 24 Port 100B-FXENET Layer 3 S.I.M.
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IBM 44R5913
MULTI-SWITCH INTERCONNECT MODULE FOR IBM BLADECENTER HT
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H3C 0231A90A
S9500E 48-port 10/100/1000BASE-T (RJ45) 2.4:1
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IBM 32R1891
IBM Cisco Gigabit Ethernet Switch 4-Port Module
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Juniper MUXC-JCS1200-BB
JCS1200 Chassis Mux card (included in the base systems).
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Cisco 76-ES+T-20G
ES Low Queue 20 port GE - 3CXL
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Juniper EXPCD-3G-CDMA-V
CDMA/EVDO 3G Modem ExpressCard34 for Verizon Wireless.
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Avaya EC8404006-E6
VSP 8400 16 port 1/10G Copper and 2 port 40G QSFP+ combination IO Module
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Cisco NIM-ES2-8-P
8-port POE/POE+ Layer 2 GE Switch Network Interface Module
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What is a switch module?

A switch module is a plug-in extension for modular network switches. Switch modules are inserted directly into designated slots and expand the functionality of the switch with additional ports, bandwidths, or interfaces. This allows networks to be dynamically adapted to new requirements without the need for expensive new purchases.

Modern switch modules offer much more than just additional ports. Via browser-based interfaces, you can

  • access switch workflows
  • switch devices between different operating modes
  • use extended performance and frequency ranges

Switching between multi-standard and export mode is done by pressing the PTT button when switching on. Switching off and on again resets the device to standard mode.


What are the advantages of switch modules?

Switch modules offer companies a variety of advantages that go far beyond simply expanding network capacity. Benefit from:

  • Increased port capacity: Additional ports for growing networks without having to purchase new switches.
  • High bandwidth: Modules with 10G, 40G, or 100G enable the connection of bandwidth-intensive applications.
  • Advanced network protocols: Support for modern protocols and functions, e.g., for quality of service (QoS), network segmentation, or security mechanisms.
  • Flexible adaptation: Scalability through easy retrofitting – ideal for companies with dynamic requirements.
  • Hot-swappable: Replacement possible during operation without interrupting network traffic – maximum availability.
  • Future-proof: Investment protection through modular architecture and compatibility with new technologies.


Which manufacturers are recommended for purchasing switch modules?

Some switch module manufacturers have proven themselves particularly reliable and offer innovative, high-quality solutions, e.g.: 

  • H3CH3C is known for powerful interface modules that provide security, wireless management, and high reliability directly in the network. The H3C S7500E series offers modular switches with high port density, hot-swap capability, and comprehensive management and security features.
  • Cisco: With the Carrier Edge card and other modules, Cisco offers powerful solutions for demanding enterprise networks. The modules are known for their reliability, compatibility, and easy integration into existing infrastructures.
  • Other manufacturers: Vendors such as HPEJuniper, and Netgear also offer modular switches and matching expansion modules for different requirements.


What should B2B customers look for when purchasing switch modules?

When purchasing switch modules, B2B customers should consider the following criteria to ensure optimal integration and smooth operation in the corporate network:

  • Compatibility: The module must be compatible with the switch model used.
  • Functionality: Additional ports, special protocols, or management functions.
  • Reliability: Refurbished modules offer tested quality and high availability.
  • Scalability: Option to expand network capacity later.
  • Service and support: Manufacturer support and maintenance options for uninterrupted operation.

Our maintenance and service offerings provide a solution for your IT infrastructure. With our CleverCare packages, our experts are personally available to assist you in finding appropriate and rapid solutions.



H2 Buy switch modules: new, used, and refurbished at it market 

At it-market, you can expect a diverse selection of switch modules—available for a wide range of bandwidths, interfaces, and applications. Whether brand new, used, or professionally refurbished, you are guaranteed to find the right switch module to optimally expand your network infrastructure. Our refurbished switch modules in particular offer excellent value for money. 

We also offer: 

  • 3-year warranty for companies
  • Up to 2,500€ buyer protection 
  • Short delivery times 

Do you have any questions? Our sales team will be happy to answer any questions you may have about IT hardware and IT remarketing.