SiFive's RISC-V HiFive Unmatched Upgraded To Ship With 16GB Of RAM

Written by Michael Larabel in Hardware on 8 December 2020 at 12:00 PM EST. 41 Comments
Back in October RISC-V minded startup SiFive announced the HiFive Unmatched development board as the best RISC-V development board we've seen to date. But only having 8GB of RAM was one of the few critiques which the company is now addressing.

The HiFive Unmatched as announced in October features the SiFive FU740 SoC with four U74-MC cores and one S7 embedded core. The board has a 32MB SPI flash chip, four USB 3.2 Gen 1 ports, one PCI Express x16 slot (at x8 speeds), one NVMe M.2 slot, microSD, and Gigabit Ethernet. The HiFive Unmatched $665 USD price point is much better than the earlier HiFive Unleashed board price.

While socketed memory would be ideal with the development board, understandably that would add to the cost and also complexities around DRAM compatibility and certification. But rather than shipping with 8GB DDR4 as was expected, SiFive is now making all HiFive Unmatched boards ship with 16GB of DDR4 while maintaining the same launch price.

The only downside is that the HiFive Unmatched is no longer shipping in Q4 but is pushed back to mid-Q1.

More details and pre-ordering on this interesting RISC-V development board via We'll hopefully have our hands on a review sample of this RISC-V board in Q1 so stay tuned.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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