Whatsminer hash board universal test fixture can test M20 series, M21 series, M30 series old version, M31 series old version, and m50 series hash board failures, that is, all ASIC chips of KF1960 and below. Such as KF1921, KF1930, KF1950, KF1922, KF1958, KF1920, etc. By quickly finding the location of the faulty ASIC chip, it is possible to accurately determine whether the miner's power board is faulty, significantly improving miners' maintenance and operation efficiency.
The M20 series includes M20, M20S, M20S+, M21, M21S, and other air-cooled miners;
The M30 series (old version) includes M30, M30S, M31,M31S and other air-cooled miners;
The M50 series includes M50, M50S, M50S+, M50S++ and other air-cooled miners.
How to determine product prices and shipping costs?When you are ready to buy one or more products. You can consult the sales Manager to get a sample of the proforma invoice. The category, product price, and freight are included.
How to complete the payment?We have the following payment methods. You can tell our sales Manager which payment you prefer and complete it. After the customer service checks and confirms the payment is completed. Provide the proforma invoice. And we will prepare to ship.
|Bitcoin - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
|USDT - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
|ETH - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
|LTC - The payment method at the designated address is efficient and practical and can be used anywhere in the world.
Other payment methods
|Wire transfer - USD - SeaTree
|Wire transfer - USD - YuanJi
|Wire transfer - USD, EUR, GBP, HKD, CNH, CAD, SGD, JPY, AUD, NZD
|JP MORGAN CHASE BANK, N.A.
|Wire transfer - USD - Zhou sicong
|人民币支付 - CNY payment
Q: When will we ship after payment?
A: In order to ensure that the products we ship are in good condition. Issued approximately 1-2 days after receiving your payment.
Q: What if the product is damaged during transportation?
A: We will use a more robust package when shipping to avoid damage to the goods, and we can purchase transportation insurance in advance to reduce the loss of in the transport. although this problem is not common.
Q: What payment methods do we support?
A: We support bank transfer, wire transfer, Western Union, BTC, third-party guarantee and Paypal.
Q: What should I do if there is a problem after receiving the products?
A: We have established good relationships with maintenance departments in many countries/regions in the world. For example, Venezuela, Iran, etc. If you have any questions within 3 days after receiving the goods, you can apply for after-sales service on the "My Order" page.
Q: Which express we support?
A: We will choose the cheapest and fastest transportation method for you. And we support DHL, UPS, TNT, Fedex, BRE, and also have express delivery services, such as Russia, the United States, Kuwait, etc.