https://www.sifive.com/
SiFive - Leading the RISC-V Revolution
As the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest...
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Terms of Use - SiFive
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Privacy Policy - SiFive
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https://www.sifive.com/cores/automotive-s7-ad
SiFive Automotive™ S7-A Series
The SiFive Automotive S7-A Series is designed for high performance real-time applications including automotive safety islands requiring ASIL D. It is a power...
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https://www.sifive.com/developers
Tools, Software, & Support for RISC-V Developers - SiFive
SiFive has the tools, software, and support for every aspect of your RISC-V development journey.
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https://www.sifive.com/boards/hifive-unmatched-revb
HiFive™ Unmatched Rev B - SiFive Boards
Based on the success of the HiFive Unleashed and Linux software ecosystem enablement, HiFive Unmatched ushers in a new era of RISC-V Linux development with a...
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https://www.sifive.com/cores/performance-p800
SiFive Performance™ P800 Series
The latest generation SiFive Performance P800-Series processors are the highest performance commercially licensable RISC-V processors.
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https://www.sifive.com/cores/intelligence-x200-series
SiFive Intelligence™ X200 Series
Optimized for AI/ML compute at the edge, SiFive Intelligence X200 Series features multi-core capable RISC-V processors with vector extensions, along with...
x200 seriessifive
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Log In - SiFive
Customize a RISC-V core to your exact specifications and download a custom development kit including RTL and FPGA deliverables with SiFive Core Designer.
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https://www.sifive.com/cores/performance-p600
SiFive Performance™ P600 Series
The latest generation SiFive Performance P600-Series processors are the highest performance commercially licensable RISC-V processors.
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https://www.sifive.cn/blog/sifive-hifive-the-vital-role-of-development-boards
The Vital Role of Development Boards in Growing The RISC-V Ecosystem - SiFive
Reflecting on our journey since the first RISC-V boards, SiFive continues to lead with the HiFive Premier P550—our highest-performance RISC-V development board...
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https://www.sifive.com/solutions/aerospace-defense
RISC-V Solutions for Aerospace & Defense - SiFive
SiFive's Intelligence X288 is the processor of choice for NASA's next-generation space computing project, and our RISC-V solutions are increasingly being used...
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Cycuity Partners with SiFive & BAE Systems to Strengthen Microelectronics Design Supply Chain...
Cycuity has collaborated with SiFive and BAE Systems to deliver increased, evidence-based security assurance for third-party intellectual property (IP) in a...
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https://techcrunch.com/2026/04/11/nvidia-backed-sifive-hits-3-65-billion-valuation-for-open-ai-chips/
Nvidia-backed SiFive hits $3.65B valuation for open AI chips | TechCrunch
Apr 13, 2026 - The deal is interesting for a number of reasons, including that SiFive's chip designs are based on RISC-V, not x86 or ARM.
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https://www.sifive.cn/cores/intelligence-xm-series
SiFive Intelligence™ XM 系列 Gen 2
SiFive 的 XM 系列 Gen 2 提供极具可扩展性和高效的 AI 计算引擎,以满足广泛终端市场应用的需求。通过整合标量、向量和矩阵引擎,XM 系列用户可充分利用高效的内存带宽。XM 系列延续了 SiFive 的传统,在各种计算密集型工作负载中提供极高的每瓦性能,并针对大语言模型 (LLM)...
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https://www.sifive.com/contact-sales
Contact Sales - SiFive
We're eager to discuss your next project—and ready to help you unlock unlimited opportunities for innovation. To get the conversation started, fill out your...
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https://www.sifive.com/press/quintauris-sifive-risc-v-automotive-partnership
Quintauris and SiFive Partner to Advance RISC-V Ecosystem Development
Quintauris and SiFive announce a strategic partnership to enable SiFive IP on Quintauris reference architectures, expanding flexible, interoperable RISC-V...
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https://www.sifive.com/cores/intelligence
SiFive Intelligence™ Family
SiFive Intelligence processors are designed to address the future requirements of AI technology to the edge, with high performance scalar and vector compute...
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https://www.sifive.com/resources
SiFive Webinars & Videos
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https://www.sifive.com/security-and-quality
Security & Quality - SiFive
Customers rely on SiFive for our robust and proven quality and security
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https://www.sifive.com/software/trace-and-debug
Trace and Debug - SiFive
Bring up first silicon, test and debug software with a comprehensive, pre-integrated advanced trace and debug solution for RISC-V processors standalone or with...
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https://www.sifive.com/locations
SiFive, Inc. Locations
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https://www.sifive.com/documentation
SiFive Documentation
Manuals, user guides, and other documentation for SiFive's RISC-V Core IP, chips, development boards, and tools.
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https://www.sifive.cn/careers
加入 SiFive
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https://www.sifive.com/cores/automotive-e6-a
SiFive Automotive™ E6-A Series
The SiFive Automotive E6-A series is designed for a variety of real-time, 32-bit applications, from system control to hardware security modules (HSMs) and...
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https://www.sifive.com/software
SiFive Software - Accelerate & Enhance your RISC-V Development
Give your teams the tools they need to innovate with RISC-V technology.
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https://www.sifive.com/about
Sparking the Future of Compute - SiFive
SiFive leverages the open RISC-V standard to deliver superior high-performance, low-power compute density for AI/Ml and other applications in mobile consumer...
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https://www.sifive.com/about/business-model
SiFive Business Model
SiFive offers the industry's broadest RISC-V IP portfolio, helping customers build custom chips with proven, scalable processors, complementary components, and...
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RISC-V Solutions for Edge Computing - SiFive
Smart home devices, factory and industrial applications, healthcare and autonomous vehicles are turning to RISC-V based devices for real-time or near-real-time...
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https://www.sifive.com/solutions/storage
RISC-V Solutions for Storage - SiFive
SiFive's RISC-V solutions, particularly the Essential products, are perfect for implementing efficient read/write functions, managing encryption/decryption,...
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https://www.sifive.com/solutions/ai-ml
RISC-V Solutions for AI & Machine Learning - SiFive
SiFive’s RISC-V architecture is accelerating time-to-market for companies developing custom AI and machine learning solutions.
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https://www.sifive.com/cores/essential
SiFive Essential™ Family
The SiFive Essential family gives you the ultimate freedom to configure a processor that best fits the power, area and performance for your specific market...
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https://www.sifive.com/boards/hifive-unleashed
HiFive™ Unleashed (Discontinued) - SiFive Boards
Featuring the Freedom U540 (FU540) SoC, the world’s first Linux-capable, multi-core, RISC-V processor, this developer board marks a brand-new era for RISC-V...
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https://www.sifive.com/press/sifive-nvidia-nvlinkfusion-datacenter
SiFive to Power Next-Gen RISC-V AI Data Centers with NVIDIA NVLink™ Fusion
Proven high-performance SiFive compute platforms gain coherent, high-bandwidth connectivity with NVIDIA NVLink™ Fusion to NVIDIA GPUs and other accelerators,...
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https://www.sifive.com/cores/performance
SiFive Performance™ Family
The SiFive Performance family of RISC-V processors is designed for maximum throughput, while preserving power efficiency for workloads as varied as...
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https://www.sifive.com/cores/performance-p500
SiFive Performance™ P500 Series
The SiFive Performance P500 series application processors feature a thirteen-stage, triple-issue, out-of-order pipeline compatible with the RISC-V RV64GBC ISA....
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https://www.sifive.com/software/sifive-core-designer
SiFive Core Designer
Customize SiFive’s RISC-V Core IP to your precise needs with our Core Designer. From your custom design, called a Core Design, you can produce a downloadable...
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https://www.sifive.com/careers
Careers at SiFive - Make an Impact Today & Define Tomorrow
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https://www.sifive.com/solutions/data-center
RISC-V Solutions for Data Centers - SiFive
SiFive offers high-performance CPU cores and IP like the P870-D series, designed to optimize AI workloads. For AI training and inference, our Intelligence...
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https://www.sifive.com/software/sifive-freedom-tools
SiFive Freedom Tools
Access pre-built command-line tools for flexible development when building from source, including auto-vectorizing compiler, translators, and emulators.
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https://www.sifive.com/press
Press - SiFive in the News
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https://www.sifive.com/solutions/consumer-devices
RISC-V Solutions for Consumer Devices - SiFive
Deliver responsive, feature-rich user experiences with processor core IP tailored for consumer devices.
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https://www.sifive.com/blog/sifive-leadership-in-the-rapidly-growing-embedded-
SiFive Leadership in the Rapidly-Growing Embedded Market
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https://www.sifive.com/cores/essential-s-series
SiFive Essential™ S Series
SiFive Essential™ S Series Gen 4 cores are 64-bit real-time CPUs designed for general purpose applications. Ideal for applications that require efficient...
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https://www.sifive.com/cores/automotive
SiFive Automotive™ Family
SiFive Automotive solutions offer the latest generation portfolio of high-end applications and deterministic real time processors. Our products meet the...
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https://www.sifive.com/solutions/automotive
RISC-V Solutions for the Automotive Market - SiFive
SiFive’s high-performance, deterministic processors are optimized for automotive demands, delivering top-tier performance, low power consumption, and ensuring...
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https://www.sifive.com/software/freedom-sdk-linux
Freedom SDK for Linux - SiFive
Build and customize Linux applications with a Yocto-based reference distribution optimized for SiFive RISC-V application processors.
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https://www.sifive.cn/software/sifive-freedom-studio
SiFive Freedom Studio
让您的团队以最快的方式开始在 SiFive RISC-V 处理器上进行软件开发。Freedom Studio 针对生产力与易用性进行了优化,为您的流片前和流片后验证团队和软件开发团队提供一切所需的工具,帮助他们高效编写与优化软件,识别难以找到的热点,轻松解决最棘手的调试问题。
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https://www.sifive.com/about/risc-v-history
RISC-V History - SiFive
From a summer project at the University of Berkeley in 2010, RISC-V has quickly become a force in the world of computer architecture and taken its place as one...
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https://www.sifive.com/press/sifive-iar-advance-risc-v-automotive-ecosystem
SiFive and IAR Collaborate to Advance the Automotive Ecosystem and Drive RISC-V Innovation in...
SiFive, the gold standard for RISC-V, and IAR, a global leader in embedded development software, today announced the full support of IAR toolchain for SiFive’s...
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https://www.sifive.com/blog
SiFive Blog - Get the latest insights from leaders & RISC-V founders
The SiFive blog is your go-to source for updates on breakthroughs in processor IP, compute density, chip architecture, and innovations whether you're producing...
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https://www.sifive.com/software/sifive-models
SiFive Models
SiFive Models provide a versatile solution to the most difficult problems in SoC design.
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https://www.sifive.com/about/why-choose-sifive
Why Choose SiFive
Discover how SiFive’s RISC-V expertise can help you break free from outdated architectures. So you have more freedom to innovate.
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https://www.sifive.com/cores/intelligence-xm-series
SiFive Intelligence™ XM Series
The SiFive Intelligence XM Series is a multi-core capable RISC-V processor with vector extensions and SiFive Intelligence Extensions and is optimized for AI/ML...
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https://www.sifive.com/software/sifive-kernel-library
SiFive Kernel Library
Optimize applications with tuned routines to realize the maximum performance for your SiFive RISC-V applications including neural networks, linear algebra, and...
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https://www.sifive.com/cores/performance-p400
SiFive Performance™ P400 Series
The SiFive Performance P450/470-Series application processors are SiFive’s first efficiency-focused Out-of-Order processors.
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https://www.sifive.com/blog/how-sifive-is-driving-ai-and-datacenter-innovation
How SiFive is Driving AI and Datacenter Innovation
Discover how SiFive is accelerating AI and datacenter innovation with flexible, energy-efficient RISC‑V solutions like the Performance P870-D and Intelligence...
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https://www.sifive.com/software/sifive-freedom-studio
SiFive Freedom Studio
Freedom Studio is optimized for productivity and usability, giving your pre/post-silicon and software development teams all the tools they need to write and...
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https://www.sifive.com/cores/essential-u-series
SiFive Essential™ U Series
SiFive Essential™ U Series are high performance Essential cores offering an 8-stage single- or dual-issue pipeline ideal for power sensitive applications which...
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https://www.sifive.com/cores/intelligence-x300-series
SiFive Intelligence™ X300 Series
Experience breakthrough AI/ML performance with the SiFive Intelligence X300 Series, delivering 4x vector compute improvement, 1024-bit vector lengths, and dual...
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https://www.sifive.com/solutions
Key Markets: Tailored Innovations for your Industry - SiFive
for your industrykey marketstailoredinnovationssifive
https://www.sifive.com/cores/essential-e-series
SiFive Essential™ E Series
The SiFive Essential™ E Series Gen 4 are the smallest, most configurable 32-bit SiFive processors available, offering extremely efficient, optimized, low area...
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https://www.sifive.com/boards/hifive1
HiFive1 (Discontinued) - SiFive Boards
SiFive HiFive1 is an Arduino-compatible development board featuring the SiFive Freedom E310 (FE310) SoC, making it the best way to prototype and develop RISC-V...
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https://www.sifive.cn/blog
SiFive 博客 - 来自 RISC-V 专家的最新洞察与深度技术解析
SiFive Blog 是您获取有关处理器IP、计算密度、芯片架构和创新突破最新消息的首选来源,无论是制造出色的可穿戴设备和消费电子产品,优化数据中心,还是构建下一代汽车。
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加速实现您的创新理念 - SiFive
SiFive 为现代工作负载提供卓越的高性能计算密度。我们将 RISC-V 的无限潜力带入世界上最强大的数据密集型应用程序。
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https://www.sifive.com/cores/automotive-e7-a
SiFive Automotive™ E7-A Series
The SiFive Automotive E7-A series is designed for a variety of real-time, 32-bit applications, from system control to hardware security modules (HSMs), safety...
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https://scs.sifive.com/accounts/login/?next=/
Log In - SiFive
Customize a RISC-V core to your exact specifications and download a custom development kit including RTL and FPGA deliverables with SiFive Core Designer.
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https://www.sifive.com/cores/intelligence-x100-series
SiFive Intelligence™ X100 Series
SiFive Intelligence X100 Series features extremely area and power efficient vector processing. Selected by top tier semiconductor companies for AI at the edge...
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https://www.sifive.com/boards/hifive-unmatched
HiFive™ Unmatched (Discontinued) - SiFive Boards
Based on the success of the HiFive Unleashed and Linux software ecosystem enablement, the HiFive Unmatched ushers in a new era of RISC-V Linux development with...
unmatcheddiscontinuedsifiveboards
https://www.sifive.com/press/sifive-raises-400-million-to-accelerate-high-performance-risc-v-data-center-solutions
SiFive Raises $400 Million to Accelerate High-Performance RISC-V Data Center Solutions; Company...
SiFive, the gold standard for RISC-V processor IP, today announced it has raised $400 million in an oversubscribed Series G financing to accelerate its...
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https://www.sifive.com/boards/hifive-premier-p550
HiFive™ Premier P550 - SiFive Boards
RISC-V is inevitable, and the HiFive Premier P550 development system exemplifies that. The soul of the RISC-V development board is a SiFive Performance™ P550...
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https://www.sifive.com/software/freedom-sdk-metal
Freedom SDK for Metal - SiFive
Create bare-metal and RTOS software efficiently with low-level programming supporting for all SiFive RISC-V processors.
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https://www.sifive.com/boards
RISC-V Boards: HiFive™ Boards by SiFive
HiFive boards are the best way to develop RISC-V software. SiFive’s RISC-V development boards offer the highest performance for you to create the next great...
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https://www.sifive.com/risc-v-core-ip
RISC-V Core IP Portfolio - SiFive
Discover SiFive’s versatile and scalable range of RISC-V scalar, vector, and matrix cores, designed to usher in the next generation of computer architecture....
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https://www.sifive.com/solutions/iot-embedded
RISC-V Solutions for IoT/Embedded Devices - SiFive
SiFive’s Essential products provide a range of configurations to meet the needs of embedded applications, enabling tailored solutions.
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https://www.sifive.com/boards/hifive1-rev-b
HiFive1 Rev B (Discontinued) - SiFive Boards
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https://www.sifive.com/partners
Partners Ecosystem - SiFive
View SiFive ecosystem partners that support the RISC-V revolution.
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https://www.sifive.com/blog/sifive-hifive-the-vital-role-of-development-boards
The Vital Role of Development Boards in Growing The RISC-V Ecosystem - SiFive
Reflecting on our journey since the first RISC-V boards, SiFive continues to lead with the HiFive Premier P550—our highest-performance RISC-V development board...
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