A high-performance RISC-V Linux development platform, in a desktop-ready Mini ITX mainboard.

The HiFive Unmatched from SiFive ushers in a new era of RISC-V Linux development platform in a PC form factor. Powered by the SiFive Freedom U740 RISC-V SoC and targeted for creating RISC-V applications, the platform features 16 GB of 64-bit DDR4 memory operating at 2400 MT/s, high-speed interconnects with PCIe Gen 3 x8 operating at 7.8 GB/s, Gigabit Ethernet, and USB 3.2 Gen 1. Software development is supported with Freedom U-SDK from SiFive, which provides a fast and convenient software environment to quickly build and modify a custom Linux distribution for this RISC-V PC.

The Freedom U740 SoC is the highest performance RISC-V processor available today, and the Unmatched board is ready to be your next desktop.

Features and Specifications:

• SiFive Freedom U740 SoC (4 x U74 & 1 x S7 CPUs)
• 16 GB (64-bit) DDR4 memory
• 8-lane PCIe Gen 3 switch
• PCIe x2 to USB 3.2 Gen 1 bridge
• Four-port USB 3.2 Gen 1 hub
• 32 MB Quad SPI boot flash
• 256 KB EEPROM (for manufacturing data)
• 10/100/1000 Ethernet
• UART/JTAG support
• Onboard temperature sensor
• Onboard power management IC
• MicroSD card socket
• User I/O:
• 4 x USB 3.2 Gen 1 Type A ports (1 charging port)
• 1 x Micro USB UART/JTAG connector
• Expansion:
• x16 PCIe Gen 3 Expansion Slot (eight lanes usable)
• M.2 Key M Slot (PCIe Gen 3 x4) for NVMe 2280 SSD
• M.2 Key E Slot (PCIe Gen 3 x1) for Wi-Fi / Bluetooth
• Header for FU740 I/O (I2C, SPI, QSPI, GPIO)
• Mini-ITX form factor, 170 mm x 170 mm
• 24-pin ATX power supply connector

Documents:

• Product Brief
• Datasheet
• Schematics
• Software Reference Manual

Warranty:

• Warranty will not apply if Product fails or is damaged after delivery to you due to accident, abuse or misuse.

Package Includes:

• 1 x HiFive Unmatched Mini ITX board, with onboard CPU and RAM
• 1 x 32 GB microSD card, preloaded with software
• 1 x Rear panel I/O shield
• 1 x M.2 screw package
• 1 x Chassis mounting hardware
• 1 x Cat-5 cable
• 1 x Getting started guide