HiFive Unleashed

by SiFive

The world’s first RISC-V-based, Linux-capable development board

View all updates May 08, 2018

Enhance your HiFive Unleashed Development System

Available Now: HiFive Unleashed Expansion Board.

The HiFive Unleashed Expansion Board converts your HiFive Unleashed into a RISC-V Linux PC and comes with a Microsemi PolarFire FPGA preprogrammed as a PCI Express Root Complex, allowing you to connect peripherals on:

  • an x1 PCI Express connector
  • an x16 PCI Express connector with 4 lanes of PCIe connected
  • an SSD M.2 connector
  • a SATA connector (PCI Express to SATA Bridge)

Get your new HiFive Unleashed Expansion Board today.

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HiFive Unleashed

Join the revolution! Your early support will help tremendously and you'll be rewarded with the world's first and only Linux-capable, RISC-V-based development board.



SiFive was founded by the creators of the free and open RISC-V architecture as a reaction to the end of conventional transistor scaling and escalating chip design costs.

Andrew Waterman

Yunsup Lee

Krste Asanovic

Palmer Dabbet

Jack Kang

Naveed Sherwani

Sunil Shenoy

The Rest of the SiFive Team!

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