The 100G QSFP28 SR Transceiver is a parallel 4 channels 100Gbps (4x25Gbps), pluggable optical module for 100G Ethernet and InfiniBand QDR, EDR Applications. 
It is a high-performance module for short-range data communication and interconnects applications that operate at 25.78125Gbps per lane up to 100 m using OM4 fiber.  
The optical connection is MPO that is designed to operate over multimode fiber systems using a nominal wavelength of 850nm. Digital diagnostics functions are available via the I2C interface.

Applications:

• 100GBASE-SR4 at 25.78125Gbps per lane
• InfiniBand QDR, EDR
• Other optical links

Features:

• Support 100GBASE-SR4/100G Fiber Channel application
• Compliant to SFF-8636
• Multi rate of up to 25.78125Gbps
• Transmission distance up to 100m (OM4)
• Digital diagnostics functions are available via the I2C interface
• +3.3V single power supply
• Low power consumption
• Operating case temp Commercial: 0°C to +70 °C
• RoHS compliant