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S31: 64 GT/s PCIe Gen 3 Over Fiber Optic Expansion System

The S31 Gen3 64GT/s PCIe Expansion System allows operation of 4 PCIe x1, x4, x8 or x16 Gen1/Gen2/Gen3 add-in cards over fiber optic cable at distances up to 100+ meters from the host computer system. No additional programming and drivers are required. Any type of PCI Express peripherals can be used including audio, video, graphics, USB, FireWire, SATA, data-acquisition, and network cards.


  • Backplane with 4 PCIe 3.0 x16 slots supporting 4 electrical configurations:
    • 4 slots: x8, x8, x4, x4
    • 3 slots: x16, x4, x4
    • 3 slots: x8, x8, x8
    • 2 slots: x16, x8
  • Hot-plug slots
  • PCIe slot bifurcation
  • 32 or 64 GT/s data rate over fiber optic using 4 or 8 PCIe 3.0 lanes
  • Optical isolation
  • Standard pluggable QSFP+ transceivers, AOCs and DACs
  • Digital monitor and diagnostics via Ethernet port
  • Backplane can be mounted in any standard ATX or microATX case
  • Operating temperature: -40° to +85° C

Cable type and length

  • Cable Types:
    • QSFP AOC
    • QSFP DAC
    • MPO/MPT
    • LC-LC
  • Multi-Mode fiber optic transceivers and cable:
    • up to 100 m cable length
  • Single-Mode fiber optic transceivers:
    • up to 500 m cable length

Data transfer performance depends on cable length:

S31 system includes

  • H18: host adapter – 1 pcs
  • H18-LP: low profile bracket for H18 host adapter – 1 pcs
  • R34: remote backplane– 1 pcs
  • R34-IO: I/O shield for R34 backplane– 1 pcs
  • QSFP+ AOC – 1 pcs or 2 pcs (optional)

Ordering Info

For ordering information visit: S31 order page


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