Sapphire has introduced one the industry’s first Radeon RX 570 graphics cards that carry 16 GB of GDDR5 memory onboard. The board is designed primarily for cryptocurrency mining, but it still has a display output and therefore can theoretically be used for other applications too.

Officially, the manufacturer positions its Sapphire RX 570 16GB HDMI Blockchain graphics card for Grin coin mining, as Grin's underlying algorithm benefits from the amount of onboard memory.  This gives a 16 GB video card a distinct advantage on Grin. The card consumes 175 W (±10%) of power and has an 8-pin PCIe power connector, which is 25 W higher when compared to “regular” Radeon RX 570 GPUs that are rated for a 150 W TDP. It uses an air cooling system that is comprised of two fans and a large aluminum radiator with heatpipes.

Sapphire plans to sell its RX 570 16GB HDMI Blockchain graphics card directly at, and it remains to be seen whether the adapter will be sold by third parties. Interestingly, the board vendor has not disclosed pricing for the board, and given the unqiue market for the product I suspect it's going to be based on the quantity of the boards purchased. Though the company does note that the product will cost significantly less than other graphics cards carrying 12 or 16 GB of memory (e.g. Radeon VII, RTX 2080 Ti, and the like), which is logical given the positioning of high-end GPUs for prosumers and professionals.

In addition to graphics cards for miners, Sapphire also sells its INCA and MGI-series systems for cryptocurrency mining.

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Source: Sapphire



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  • Jorgp2 - Wednesday, January 23, 2019 - link

    Could this possibly be flashed to a FirePro card? Reply
  • Lord of the Bored - Thursday, January 24, 2019 - link

    Oh goddammit, I thought we were done with the buttcoin idiocy for a while! Reply
  • nfriedly - Thursday, January 24, 2019 - link

    At least it has a HDMI port on it. There were some mining cards that had no video outputs, making them almost completely useless for anything except mining. Reply
  • zodiacfml - Thursday, January 24, 2019 - link

    interesting. i guess, mining is picking up for some with cheap electricity as the mining difficulty has dropped Reply
  • PeachNCream - Thursday, January 24, 2019 - link

    Although 16GB of VRAM paired up with a 570 isn't a very cost-effective option, the card isn't festooned with RGB and non-utilitarian bits and pieces. The fact that it has a video out of some sort means it might be practical for single monitor computers regardless of its intended role. If coin mining comes off the table, an owner might be able to retain some value either through resale or reutilization. Those GPUs that are built for mining and lack any video outs may not have as much appeal since their futures are limited to GPU compute tasks. Reply
  • mapesdhs - Monday, January 28, 2019 - link

    Used for stuff other than mining I can't see it being more appealing than a used RX 580, but as you say for someone who buys one for mining, the use retention later is kinda handy, ditto if it then ends up on the used market. Have you seen LTT's video about their trying to get a mining NVIDIA card working that doesn't have outputs? It's shocking how many thousands of otherwise perfectly viable GPUs are being thrown away just because they lack outputs, and NVIDIA gimps the drivers (LTT found a way to get it to work, but it's tricky, and not a method they recommend). Reply

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