The optional SFP-HSI Module provides access to three Small Form Factor Pluggable (SFP)s. It can be plugged into high speed Samtec connectors of the following development boards: - Altera Stratix II GX PCI Express board (130) - Altera Stratix II GX PCI Express (90) board - Xilinx Virtex 4 FX100 PCI Express board - Xilinx Virtex 4 FX60 PCI Express board - Xilinx Virtex 5 LX110T PCI Express End-Point & Root Board - Xilinx Virtex 5 LX50T PCI Express End-Point & Root Board