The Chinese manufacturer Innosilicon has started deliveries of the A11 Pro ASIC miner for Ethereum mining, but cut its announced hashrate by 25%. пишет The Block.
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Initially the company said that the A11 Pro would deliver 2000 MH/s at a power draw of 2500 W. In that case, mining efficiency of 1.25 W per 1 MH/s would be 30% higher than that of existing Ethereum-mining devices.
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However, based on distributor offers that emerged this week in China, the average hashrate of the ASIC will be 1500 MH/s at 2350 W. An efficiency of 1.56 W per 1 MH/s is 20% below the expected.
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On the site ASIC Miner Value there is also an advertisement that at least the first batch of devices will have efficiency below the previously claimed.
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The price per unit on the Chinese market ranges from 170,000 to 180,000 yuan (about $27,000).
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In March Innosilicon reported that one of its employees organised unauthorized sales of the A11 Pro with an announced efficiency of 1.25 W per 1 MH/s and a delivery window from April to August 2021. She was subsequently fired.
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According to ASIC Miner Value’s computations, the payback period for the A11 Pro at the current Ethereum price and the reduced hashrate will be from 8 to 10 months.
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The previous ASIC miner model from Innosilicon, the A10 Pro, has 7 GB of memory and a hashrate of up to 740 MH/s.
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In April, the Bitmain mining equipment maker hinted at a record hash rate for the Antminer E9, which would change the \”rules of the game\” in Ethereum mining. It was reported that the device’s efficiency would be comparable to \”32 Nvidia RTX 3080 graphics cards\” (about 3040 MH/s). The miner was released to the market in August.
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