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.


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 is the leading provider of processor cores, accelerators, and SoC IP to create domain-specific architecture based on the free and open RISC-V instruction set architecture. SiFive offers scalable, configurable processor cores pre-integrated with security, trace, and debug features for workload-specific accelerator designs. Founded by the inventors of RISC-V, SiFive has 15 design centers worldwide and backing from Sutter Hill Ventures, SK Hynix, Qualcomm Ventures, Western Digital, Intel Capital, Spark Capital, Osage University Partners, and Prosperity7 Ventures.

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!

Makers and Hackers

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