Because of the particularity of the product, once the product is sold, it will not be returned or replaced.

Our store has undergone strict tests (only for used ones, brand new ones is unnecessary )before the products are sent out to ensure that the data and performance of the products remain superior.

Before purchasing the product, please contact customer service to explain the power requirements.

Because the voltage is different in each country,If you need to match a specific specification of the power supply, you need to pay to match the additional money.

If you buy the product whatsever brand new or used, you agree with the policy of "no return, no exchange". Please kindly be noticed.

1-a, In low power mode, max hashrate should be typ hash rate*103%,

1-b, Min condition:25℃,Min J/TH, typical hashrate. MAX condition: 40℃,Max J/TH, max hashrate,

1-c, Caution: wrong input voltage may probably cause miner damaged,

1-d, Typ condition: min reference power, typical AC input voltage. Max condition:max reference power, min AC input voltage.

2-a, Brand new item including PSU size,

2-b, Brand new item including PSU weight,

2-c, Max condition: Fan is under max RPM(rotation per minute)

We specialized in distributing ASIC cryptocurrency mining equipments to worldwide more than 5 years, with very high reputation and credibility.

Just in this year, we have signed an annual purchase agreement with Bitmain, and we will order at least 1000 mining machines from bitmain every month. Of course, this is only a part of our goods source, we have enough strength to provide the corresponding brand and model according to the needs of customers.