Aldec FMC-QSFP High Speed Links Daughter Card

The FMC QSFP card provides QSFP + and SFP + expansion of FPGA prototyping cards with standard FMC connectors.

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Product number: FMC-QSFP
Manufacturer: Aldec


The FMC QSFP Board provides QSFP+ and SFP+ expansion of FPGA prototyping boards with standard FMC connectors.

It can be used in network applications that require high-bandwidth connection to external environments, e.g. B. Implementing low-latency, high-bandwidth links used in high-performance computing (HPC) or high-frequency trading (HFT). Such interfaces can also be used to connect multiple prototyping boards together to create an environment for prototyping particularly large ASIC designs (over 1 billion ASIC gates).

Aldec FMC-QSFP_ daughter cards support 27.8125 Gbps per channel in QSFP+, resulting in 100+ Gbps on each QSFP+ port depending on the main device.


  • Main board connector:
    • FPGA mezzanine card connector according to ANSI / VITA 57.1 FMC HPC standard
  • 2x QSFP + 28 connector and shield
  • 1x SFP + Amphenol UE76-A20-3000T and shield

Components & Interfaces

  • 2x 100Gb Ethernet - QSFP28 interface connector
  • 1x 10 Gb Ethernet - SFP + interface connector


  • 64 kB EEPROM (to meet ANSI/VITA 57.1 FMC standard)


  • 2x user clock (125MHz and 156.25MHz connected to DP bank)
  • 1x user clock (125MHz connected to CLK bank)