S7s5 miner

1.

It is reported that the performance of bm1385 chip is more than twice that of bm1384

The power supply scheme of S7 is similar to that of S5. The S5 + mode of dense chip arrangement is adopted, which makes the arrangement structure more compact. Under the same space, 60 chips are placed in S5 and 162 chips are placed in S7

The price of S7 is 1823 US dollars, equivalent to 11650 RMB yuan, and the delivery time is from September 21 to September 30. At the same time, the official announced the parameters of ant mining machine S7. The chip adopts bm1385, a 28nm fully customized chip independently developed by bitcontinental, with a computing power of 4.86t and a power consumption of 1201w. Ant miner S7 is the best miner with the best power consumption ratio so far, and the power per T is about 250W

official website is not open for sale at the moment. Users of early adopters can place their orders in overseas official website. The delivery address is 17% of the Chinese mainland tax and the purchase price is 13630 yuan. p>

ant mining machine S7 specification parameters:

1. rated calculation force: 4.86 Th / S ± 5%

2. wall power consumption: 1210 watts (bit mainland apw3-1600 watt power supply, 93% AC / DC efficiency, 25 ℃ ambient temperature)

3. power efficiency: 0.25 Joule / GH (wall, 93% AC / DC efficiency, 25 ℃) ° C)

4. rated voltage: 12V ± 5%, which should not be lower than 12.0V

5. number of single power board chips: 162x bm1385

6. overall dimension: 301 mm (L) * 123 mm (W) * 155 mm (H)

7. cooling: 2 × 12038 fan

8. working temperature: 0 ℃ to 40 ℃

9. network connection: Ethernet

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for details, please see "ant S7 miner start pre sale"

2. One machine a day is about 0.03, 40 machines a month is 0.03 * 40 * 30 = 36, of course, 40 mining machines also need 400000, which is not included in the electricity bill.

3.

According to the current difficulty, we can dig about 0.01584 bitcoins a day. Of course, the final result of each mine is not the same, but it will be very close

the concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's ideas, open source software was designed and released, and P2P network was built on it. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system

bitcoin can be cashed and converted into the currency of most countries. Users can use bitcoin to buy some virtual items, such as clothes, hats and equipment in online games. As long as someone accepts it, they can also use bitcoin to buy real-life items

4. You should look for after-sale miner. If you need miner, you can also look for me

5. You are talking about two mobile phones. The price of the new one is very expensive, about 0.01 a day

6.

The price of S5 is 1150 yuan per set. The following is its basic information:

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however, ant mining machine has been out of S7, S5 has been out of mine, if there is free electricity, it is recommended to buy, if there is no free electricity, it is better to save it, do not go mining

it's better to buy bitcoin directly from the trading platform, and the cost of purchase may be lower than that of mining. Moreover, most of today's digital currencies do not adopt the mining method of bitcoin. A typical example of this kind of currency is Ruitai coin and Qianjin card

7.

if the other party owes money and the creditor has no IOU, it can also sue, but it needs some indirect evidence, such as witness, chat record, transfer voucher or telephone recording. The more sufficient the evidence, the greater the probability of winning the case and the greater the possibility of getting back the loan. Therefore, if there is no IOU, it is not that the case can not be settled and the IOU can not be retrieved. Collect evidence for prosecution and prepare the following materials: 1. Indictment, which can be written by yourself or by a lawyer; And prepare the number of indictments according to the number of the opposite party; 2. Prepare the evidence, one original and one of your ID card, all the evidence and copies that are beneficial to you in dispute with the other party, and other evidence and witness list that may be helpful to you. So if there is no IOU, look for other evidence to prove the existence of the loan relationship. IOU is an important documentary evidence of the existence of the loan relationship, and it is the certificate of creditor's rights, but it is not the only evidence. In the case of no IOU, the lender can prove the existence of the loan relationship through the short message record, call recording, bank transfer voucher, witness testimony and other evidence of the loan communication between the two sides. If the evidence chain is formed, the court will decide that the loan relationship exists and the borrower should repay. Legal basis: according to Article 135 of general principles of civil law of the people's Republic of China, the limitation period of action for applying to the people's court for protection of civil rights is two years