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NVIDIA® MFS1S90 is a QSFP56 VCSEL-based (Vertical Cavity Surface-Emitting Laser), cost-effective 2x 200Gb/s to 2x 200Gb/s active optical splitter cable (AOC), designed for use in 200Gb/s InfiniBand (IB) HDR (High Data Rate) systems. It provides cross-connect capability between ToR (Top of Rack) and Spine switches. The cable enables a HDR InfiniBand QSFP56 switch port to operate as 2x HDR100. It creates a non-blocking fat-tree topology doubling the number of ports. This eliminates a third level of switching, which is needed for traditional cluster design of 1600 up to 3200 HDR100 ports, and results in significant CAPEX and OPEX savings. By reducing a layer of switching the cluster latency is reduced, which results in improved performance.

AOC Splitter
Up to 3200 Ports
2-Level Fat-Tree


Each QSFP56 end of the cable comprises an EEPROM providing product and status monitoring information, which can be read by the host system.

NVIDIA’s unique-quality cable solutions provide power-efficient connectivity for data center interconnects. It enables higher port bandwidth, density and configurability at a low cost, and reduced power requirement in the data centers. Rigorous production testing ensures the best out-of-the-box installation experience, performance and durability.

Images are for illustration purposes only. Product labels, colors, and lengths may vary. 

Key Features

  • 2x 200Gb/s (2x 100Gb/s HDR100) to 2x 200Gb/s (2x 100Gb/s HDR100)
  • 4x 50Gb/s PAM4 modulation
  • Programmable Rx output amplitude and pre-emphasis
  • SFF-8665 compliant QSFP56 port
  • Single 3.3V power supply
  • 4.5W power consumption (typ., each end)
  • Up to 30m length
  • Hot pluggable
  • RoHS compliant
  • SFF-8636 compliant I2C management interface


  • Connects between 200G ToR switches and Spine switches with fat-tree topology