HiFive1 Rev B

by SiFive

An open source, RISC-V development platform with wireless connectivity

View all updates Apr 18, 2019

HiFive1 Rev B Rolling Out of Assembly

We have an update from our manufacturing partner: the HiFive1 Rev B are rolling off the line and getting packaged up. We will be shipping out the HiFive1 Rev B campaign orders as quickly as possible and should be wrapped up before the end of April. When your order ships, you will receive a shipping confirmation email from Crowd Supply. If you need to update your address, you can do this by logging in to your Crowd Supply account. For more information about fulfillment and logistics, please see The Crowd Supply Guide.

In the meantime, the new documentation for HiFive1 Rev B and FE310-G002 is now available. Here are some direct links:

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Product Choices


HiFive1 Rev B

Get a single HiFive1 Rev B dev kit, featuring the FE310-G002, SiFive's second generation open source RISC-V 32-bit SoC.


HiFive1 Rev B Five-pack

What’s better than a single HiFive1 Rev B? Get one for you, and one for your friends!


Five-pack of SiFive FE310-G002 Chips

Five FE310-G002 chips to use as you wish. This is the same second-generation SiFive Freedom Everywhere 310 chip used on the HiFive1 Rev B board.



SiFive brings the power of open source and software automation to the semiconductor industry, making it possible to develop new hardware faster and more affordably than ever before. From the first RISC-V silicon (Freedom E310) to the first 4+1 Linux-capable RISC-V SoC (Freedom U540), SiFive continues to innovate and provide the most complete RISC-V solutions in the market. With our platform for rapidly designing, testing and building RISC‑V-based core IP and chips, we’re accelerating the pace of innovation for businesses large and small.

David Lee

Senior Product Marketing Manager

Naveed Sherwani


Yunsup Lee

Co-Founder and CTO

Krste Asanovic

Co-Founder and Chief Architect

Andrew Waterman

Co-Founder and Chief Engineer

Albert Huntington

Director of Engineering

Jack Kang

VP of Product and Business Development

Han Chen

Chief Engineer, Implementations and Methodology

Megan Wachs

VP of Hardware Engineering

David Patterson

Technical Advisor

Mark Horowitz

Technical Advisor

The Rest of the SiFive Team!

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