| Unit Price: | $ 13.5 |
WhatsApp : +8618623251355
Telegram : @zeusmining_presalesMartech DF1403812B2FN 12VDC 5A 140mm x 140mm x 38mm cooling fan is used to replace the damaged case fan of Antminer S21pro. When the fan is under high load for a long time, it may cause untimely heat dissipation and substandard fan speed. Timely replacement of the faulty fan can help miners dissipate heat normally. The fan adopts maintenance-free double ball bearings, with sufficient and stable air volume, and is strong and durable.
Antminer S21pro original fan:
Antminer S21pro imitation fan:
Fan parameter:
Brand: MARTECH
Model: DF1403812B2FN
Size: 140mm x 140mm x 38mm
Voltage: 12V
Current: 5A
Speed: 7000RPM
Fan port: square 4Pin
Antminer S21pro cooling fan replacement steps:
What are the steps to replace the Antminer S21pro cooling fan?
Payment method:
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. |
||
Cryptocurrency Payment |
||
 |
Bitcoin - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
|
 |
USDT - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
|
 |
ETH - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
|
 |
LTC - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
|
 |
USDC - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
|
Bank Transfer |
||
 |
Wire transfer - USD - SeaTree Card Number |
|
|
Wire transfer - USD, EUR, GBP, HKD, CNH, CAD, SGD, JPY, AUD, NZD Card Number |
|
|
JP MORGAN CHASE BANK, N.A. Card Number |
|
|
Wire transfer - USD - Zhou sicong Card Number |
|
 |
人民币支付 - CNY payment Card Number |
|
Other payment methods |
||
 |
||
|
Cooperation express: |
 |
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, 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.
[email protected] [email protected] [email protected] [email protected]
China Mainland Hong Kong 
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat 
Company Phone: +86-023-72227777