We've seen a number of graphics card makers launching bespoke cards aimed at crypto mining rather than gaming. It looks like Sapphire is currently making a new card for this market, a dual-GPU version of the Radeon RX 570.
The card has been spotted by @Zed_Wang (via VideoCardz) on the saraba1st forums. As per the photos and screenshots uploaded, this card seems to feature two RX 570 GPUs on its PCB and a single HDMI connector. Given the lack of video outputs, understated design and simple cooler, this does appear to be a crypto-mining card.
— MEGAsizeGPU (@Zed__Wang) August 13, 2021
Although there are none of the usual Sapphire brandings in the card, taking a good look at the photos allows you to see Sapphire's logo on a choke below the shroud. If the specifications of the Polaris-based RX 570 are anything to go by, this card should have 2x 2048 stream processors and 2x8GB of GDDR6 memory with a TBP of 150W.
GPU-Z doesn't seem to recognise this card properly but it identifies the card as a Radeon RX 570 GPU. The owner of the card also ran some mining performance tests, with each GPU managing about 30MH/s, or 60MH/s combined, while using 156W of power.
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KitGuru says: Even when compared to today's graphics cards, the AMD Polaris-based GPUs are still quite efficient at mining. So, it's not that surprising to see an AiB partner launching a dual-GPU card like this.