Buy SFP Modules Online India - 1G/10G/25G Fiber Transceiver | ServerDukan

Shop genuine refurbished SFP, SFP+, and SFP28 fiber optic transceiver modules from top brands including Cisco, HP, Dell, Juniper, and Arista. ServerDukan offers India's largest selection of certified refurbished fiber modules with competitive pricing and fast delivery.

Buy SFP Modules Online in India - Genuine Refurbished Fiber Transceivers

ServerDukan is India's trusted source for certified refurbished SFP, SFP+, and SFP28 fiber optic transceiver modules. We offer authentic modules from Cisco, HP, Dell, Juniper, Intel, and Arista at up to 80% lower prices than new equipment. Every module undergoes rigorous optical testing and comes with warranty protection.

Shop by SFP Module Type

1G SFP Modules

1000BASE-SX, LX, LH, ZX, T copper transceivers for Gigabit Ethernet connectivity. Compatible with all major switch brands.

  • ✓ 1000BASE-SX (550m multimode)
  • ✓ 1000BASE-LX (10km single-mode)
  • ✓ 1000BASE-ZX (80km long-range)
  • ✓ 1000BASE-T (100m copper RJ45)

10G SFP+ Modules

10GBASE-SR, LR, ER, ZR high-speed fiber transceivers for 10 Gigabit networks. DDM/DOM monitoring enabled.

  • ✓ 10GBASE-SR (300m multimode)
  • ✓ 10GBASE-LR (10km single-mode)
  • ✓ 10GBASE-ER (40km extended range)
  • ✓ 10GBASE-ZR (80km ultra-long)

25G SFP28 Modules

25GBASE-SR, LR fiber transceivers for next-generation data center and cloud infrastructure deployments.

  • ✓ 25GBASE-SR (100m multimode)
  • ✓ 25GBASE-LR (10km single-mode)
  • ✓ Low power consumption
  • ✓ Backward compatible

CWDM/DWDM SFP

Wavelength-division multiplexing modules for metro networks and long-distance fiber connectivity.

  • ✓ CWDM 1270-1610nm channels
  • ✓ DWDM ITU grid channels
  • ✓ 40-80km transmission
  • ✓ Cost-effective fiber utilization

Compatible with All Major Network Brands

Cisco SFP Modules

Catalyst, Nexus, ASR series

HP/HPE SFP Modules

ProCurve, FlexFabric, Aruba

Dell SFP Modules

PowerConnect, Force10, Networking

Juniper SFP Modules

EX, QFX, MX series switches

Arista SFP Modules

7000, 7500 series platforms

Intel SFP Modules

Server NICs, adapters

SFP Module Buying Guide - Choose the Right Transceiver

Understanding SFP Module Types

Module Type Speed Distance Fiber Type Common Use
SFP (1G) 1 Gbps 550m - 80km MM/SM Office networks, campus access
SFP+ (10G) 10 Gbps 300m - 80km MM/SM Data center, backbone links
SFP28 (25G) 25 Gbps 100m - 10km MM/SM Cloud infrastructure, hyperscale
BiDi SFP 1-10 Gbps Up to 40km SM (single fiber) Single fiber deployments
CWDM/DWDM 1-10 Gbps 40-80km SM Metro networks, WAN aggregation

💡 Pro Tip: Selecting the Right SFP Module

  • Check distance requirements: SR (short range) for in-building, LR (long range) for campus, ER/ZR for metro
  • Verify fiber type: Multimode (OM3/OM4) for SR modules, Single-mode (OS2) for LR/ER/ZR
  • Confirm brand compatibility: Use OEM-coded modules or verified compatible alternatives
  • Consider future needs: 10G SFP+ backwards compatible in SFP+ slots, plan for growth
  • Check DDM support: Digital diagnostics help monitor link health and troubleshoot issues

Most Popular SFP Modules in India

Cisco GLC-SX-MMD

1000BASE-SX SFP, 550m multimode, 850nm, LC connector. Most popular for campus networks.

✓ In Stock

Cisco SFP-10G-SR

10GBASE-SR SFP+, 300m multimode, 850nm. Data center standard for rack connectivity.

✓ In Stock

Cisco SFP-10G-LR

10GBASE-LR SFP+, 10km single-mode, 1310nm. Campus backbone and building interconnects.

✓ In Stock

Cisco SFP-10G-ER

10GBASE-ER SFP+, 40km single-mode, 1550nm. Metro networks and data center interconnect.

✓ In Stock

HP J4858C

1000BASE-SX SFP, 550m multimode. Compatible with HP ProCurve switches.

✓ In Stock

Dell 407-BBOS

10GBASE-SR SFP+, 300m multimode. Dell PowerConnect and Force10 compatible.

✓ In Stock

Why Buy SFP Modules from ServerDukan?

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100% Genuine Modules

Authentic OEM modules with original firmware and coding. No cheap third-party clones.

🔬

Optical Testing

Every module tested with calibrated equipment for optical power, wavelength, and BER.

🛡️

Warranty Protection

1-Month warranty on all modules covering optical performance and compatibility.

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Up to 80% Savings

Save significantly compared to new OEM pricing without compromising on quality.

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Fast Delivery

Quick dispatch across India with secure anti-static packaging for safe transit.

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Expert Support

Fiber optic specialists available to help with module selection and troubleshooting.

Frequently Asked Questions About SFP Modules

What is an SFP module and what does it do?

An SFP (Small Form-Factor Pluggable) module is a hot-swappable transceiver that converts electrical signals to optical signals for fiber optic communication. SFP modules enable network switches and routers to connect over fiber cables at various speeds (1G, 10G, 25G) and distances (from 550m to 80km+).

What is the difference between SFP and SFP+?

SFP modules operate at 1 Gigabit per second, while SFP+ modules operate at 10 Gigabits per second. SFP+ has the same physical form factor but enhanced electrical specifications. SFP+ slots are backward compatible with 1G SFP modules, but SFP slots cannot accept 10G SFP+ modules.

Can I use Cisco SFP modules in HP or Dell switches?

SFP modules are vendor-coded, meaning Cisco modules are programmed to work only with Cisco equipment. However, compatible third-party modules or refurbished modules can be re-coded to work across different brands. Always verify compatibility before purchasing.

What does SR, LR, ER, and ZR mean in SFP modules?

These letters indicate transmission distance: SR (Short Range) = 300-550m, LR (Long Range) = 10km, ER (Extended Range) = 40km, ZR (Extended Long Range) = 80km. SR uses multimode fiber while LR/ER/ZR use single-mode fiber.

Do I need single-mode or multimode SFP modules?

It depends on your fiber type and distance requirements. Multimode fiber (OM3/OM4) is used for shorter distances (up to 550m) with SR modules. Single-mode fiber (OS1/OS2) is used for longer distances (10km+) with LR/ER/ZR modules. Check your existing fiber infrastructure before selecting modules.

What is DDM or DOM in SFP modules?

DDM (Digital Diagnostic Monitoring) or DOM (Digital Optical Monitoring) is a feature that provides real-time information about the module's optical power levels, temperature, voltage, and laser bias current. This helps in proactive monitoring and troubleshooting of fiber links.

Are refurbished SFP modules reliable?

Yes, when properly tested and certified. Refurbished SFP modules from reputable sellers undergo comprehensive optical testing including power output, wavelength accuracy, and bit error rate testing. They provide the same performance as new modules at significantly lower cost. Always buy from sellers who provide warranty and testing documentation.

How do I clean SFP module connectors?

Use lint-free wipes with 99% isopropyl alcohol to clean the connector endface. Gently wipe in one direction, never in circles. Always use dust caps when modules are not installed. Dirty connectors are the #1 cause of optical link failures and can permanently damage the module.

Complete SFP Module Solutions for Every Network Need

ServerDukan offers the most comprehensive selection of SFP fiber optic transceiver modules in India, including 1G SFP, 10G SFP+, and 25G SFP28 modules from all major manufacturers. Whether you need Cisco SFP modules, HP SFP transceivers, Dell SFP+ modules, Juniper SFP, or Arista SFP modules, we have certified refurbished stock available for immediate delivery.

Our inventory includes all popular module types: 1000BASE-SX for short-range multimode connections, 1000BASE-LX for 10km single-mode links, 1000BASE-ZX for extended 80km reach, 10GBASE-SR for data center connectivity, 10GBASE-LR for campus backbone, 10GBASE-ER for metro networks, 10GBASE-ZR for long-distance WAN, and 25GBASE-SR/LR for next-generation cloud infrastructure.

We also stock specialized modules including BiDi SFP for single-fiber deployments, CWDM SFP and DWDM SFP for wavelength-division multiplexing, copper SFP modules (1000BASE-T) for RJ45 connectivity, and industrial temperature SFP modules for harsh environments. All modules support DDM/DOM digital diagnostics for real-time monitoring.

Popular part numbers in stock: GLC-SX-MMD, GLC-LH-SMD, GLC-ZX-SMD, SFP-10G-SR, SFP-10G-LR, SFP-10G-ER, SFP-10G-ZR, J4858C, J4859C, 407-BBOS, EX-SFP-1GE-SX, and hundreds more. We serve customers across Delhi NCR, Mumbai, Bangalore, Pune, Hyderabad, Chennai, Kolkata, and all major Indian cities with fast delivery and expert technical support.