Cisco compatible QSFP-100G-4W40-I 100G QSFP28 Module

# Key Highlights
  • Type:100GBASE 4W40 QSFP28
  • Compatibility:Cisco Compatible
  • Tx/Rx Wavelength:1295.56, 1300.05, 1304.58, 1309.14 nm
  • Laser:EML Cooled LAN WDM TOSA
  • Fiber Type:Single-Mode Fiber (SMF)
  • Connectors:Double LC
  • Optical Budget:20dB (with host FEC), 16dB (no host FEC)
  • Max. Distance:40km (with host FEC), 30km (no host FEC)
  • Data Rate:103.125 Gbps
  • FEC Forward Error Correction:Supported
  • DDM/DOM:Supported
  • Power Consumption:≤4.5W
  • Temperature:Industrial -40° to 85°C
# Pricing & Ordering
SKU: 100G-QSFP28-40I-CI


Standard recommended retail price without VAT.

Lead Time: Below 1 Week in EU Countries
# Quality Assurance

Because of our comprehensive Testing Program, we are confident on quality of our products. Such approach empower us to cover all our products with:

# Key Technical Data
Media Type:

Single-Mode Fiber (SMF.)


Double LC

TX Wavelength:

LAN WDM 1310nm

RX Wavelength:

LAN WDM 1310nm

Minimum Optical Budget:

20dB (with host FEC), 16dB (no host FEC)

Maximum Distance:


Supported Data Rate:

103.125 Gbps

Supported Applications:

100G Ethernet (103.125Gbps)



CDR (Clock and Data Recovery) chip


Forward Error Correction (FEC):

Host FEC Supported

Transmitter Type:


Minimum Transmitting Power:

100G Ethernet: Each Lane -2.9 dB OTU4: Each Lane -1.1 dB

Tx Wavelength Bandwidth:

4 LAN WDM Seperated 1310 nm Lanes (15.66 nm 1294.53 – 1310.19nm) (L0 Tx center 1295.56nm, L1 Tx center 1300.05nm, L2 Tx center 1304.58nm, L3 Tx center 1309.14nm)

Maximum Transmitting Power:

100G Ethernet: Each Lane 4.5 dB OTU4: Each Lane 4.5 dB

Average Launch Power (Min) Each Lane:

-1 dBm

Average Launch Power (Max) Each Lane:

4 dBm

Receiver Sensitivity:

100G Ethernet: Each Lane -18.7 dB OTU4: Each Lane -20.6 dB

Extinction Ratio (Min):

4 dB

Receiver Type:


Rx Wavelength Bandwidth:

4 LAN WDM Seperated 1310 nm Lanes (15.66 nm 1294.53 – 1310.19nm) (L0 Tx center 1295.56nm, L1 Tx center 1300.05nm, L2 Tx center 1304.58nm, L3 Tx center 1309.14nm)

Average Receiver Sensitivity (Min) Each Lane:

-17 dBm (no FEC) / – 21 dBm (with FEC)

Average Receiver Sensitivity (Max) Each Lane:

-7 dBm

Receiver Overload:

3.3 dBm

Temperature Range:

Industrial -40° to 85°C

Storage Temperature:

-40° to 85°C

Relative Humidity:

0 to 85%

Power Consumption:





Macom, Sumitomo, Samtech, Oclaro, Avago, II-IV


Class 1 FDA, IEC60825-1 Laser Safety Compliant, IEEE 802.3ba 100GBASE-ER4 Lite, RoHS-6, CE, QSFP28 MSA

# Product Documentation
Multi-Vendor MSA Compatible 100G-QSFP28-40I QSFP Datasheet

Cisco Compatible QSFP-100G-4W40-I QSFP28 Module is based on our product 100G-QSFP28-40I. When You will order it will be encoded to be compatible with Cisco equipment and it will be labeled with part number: 100G-QSFP28-40I-CI, where CI means Cisco Compatible. Above You can download data-sheet of our 100G-QSFP28-40I product.

# Product Description

The QSFP-100G-4W40-I is a Cisco compatible 100GBASE-ER4 Lite QSFP28 (Quad Small Form-Factor Pluggable 28) Transceiver that operates across four independent optical communication lanes separated by LAN WDM technology. With a minimum guaranteed optical budget of 20 dB (with host FEC) and 16 dB (without host FEC), the module may reach distances of 40 km (with host FEC) and 30 km (without host FEC) utilizing single-mode cable. Distance, on the other hand, is merely an informative metric determined for ease of identification. Finally, we calculate distance using a minimum optical budget and industry average attenuation of optical cabling. Cisco  Compatible QSFP-100G-4W40-I uses  EML cooled 4x25Gb/s LAN WDM TOSA (1295.56, 1300.05, 1304.58, 1309.14nm) laser transmitters and 4 x 25 Gb/s APD ROSA receivers. DDM/DOM optical diagnostics are supported by this module, which offer diagnostic information regarding the current operating conditions. Furthermore, the module provides the FEC (Forward Error Correction) feature, which aids the receiving side in detecting and correcting bit mistakes and improving the link’s overall quality. The QSFP-100G-4W40-I compatible runs in the industrial temperature range of -40° to 85°C and features two LC connectors. Cisco compatible QSFP-100G-4W40-I supports  100G Ethernet (103.125Gbps) application. In today’s networking world, the QSFP-100G-4W40-I compatible optical transceiver is a multi-purpose module used in a variety of places. Internet Service Provider (ISP) Fiber to the Home Aggregation and Backbone, Mobile Operator Core Networks and Mobile Backhaul, and Data Center networking site interconnections are the most popular uses.

Cisco compatible QSFP-100G-4W40-I is CE/RoHS certified and meets product safety requirements. We run compatibility tests on the Cisco compatible QSFP-100G-4W40-I QSFP28 Transceiver using the newest Cisco networking platforms, allowing us to encode the transceiver’s EEPROM memory to be compatible and work seamlessly with Cisco systems. Our optical transceivers, on the other hand, comply with the QSFP28 Multi Source Agreement and the IEEE 802.3ba industry standard. Because our priority is to provide excellent service, we do thorough quality inspections on all of our products before to delivery. As a result, we perform optical parameter measurements, connector cleanness testing, and EEPROM memory data validation tests on SFP+ transceivers. Please contact us so that we can learn more about your requirements.