Bitmain Antminer S21 T21 control board Amlogic C76 C81 A113D

Product description:

Welcome to choose the brand new Bitmain S21XP S21 T21 control board. Its control board version is Ctrl_C76 or Ctrl_C81, and the main control chip is Amlogic A113D. By replacing the faulty S21 control board, fault problems such as the inability of S21 miners to view IP, inability to enter the miner's backend, and inability to detect hash boards can be effectively solved, thereby helping miners resume normal operations. Once a control board failure is discovered, it is recommended that you replace it immediately to reduce failure losses caused by downtime. We sell brand new and original S21 T21 control boards with high quality and guaranteed quality. Welcome to inquire and purchase.

 1.The shipping costs, cutsoms charges, and taxes(if any) are not included in the retail price shown above.

2.After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different item(s) or different batch(es) will not be entertained by Letine.

3.The pictures shown are for reference only; the final shipment version shall prevail.

4.For preorder goods, the final hashrate will be determined by the factory.

Warranty

All Brand New Miner Control Board from Letine is Original(Bitmain,MicroBT,Canaan,Iceriver,Goldshell,Jasminer ,Ibelink and etc.)

All following official factory warranty terms!

How to check Warranty

Bitmain: https://support.bitmain.com/hc/en-us

Whatsminer: https://www.whatsminer.com/src/views/support.html?lang=en-US

Canaan Avalon: https://www.canaan.io/supports/

Iceriver: https:https://www.iceriver.io/support-article/

Jasminer: https://www.jasminer.com/#/support/index

Other brands: Send an email to sales@letine.com for inquiries

Delivery Time

In Stock models will be shipped in 0-72 hours from Letine Hong Kong warehouse. Used and Second hand Miners will be shipped in 5-7 days.

All miners will be shipped by DHL, FEDEX, UPS, EMS etc. Usually shipment takes 2-10 days to reach the destination to anywhere in the world from Hong Kong by express shipping.

Please note that depending on your shipping address and product availability, your order may arrive in multiple shipments or be sent directly from our warehouse in mainland China, Hong Kong, etc.

Tracking Information Validation

We will provide you tracking number in 24-48 hours once goods has shipped from our warehouse.

Shipping and Delivery Dates

Any shipping or delivery dates provided will be estimates only. We are not responsible for any delay from the manufacturer or production of the machines.

Additional Shipping Fee For Remote Area

Upon identification of your address as a remote area, an extra shipping fee will be added to your order.

The additional fee is necessary to account for the increased expenses and logistical challenges involved in delivering to remote areas.

Customs and Import Duties

We help reduce your tax by making a lower invoice. However, customs clearance costs are borne by you. 

Citizens should pay import duties to the customs according to law based on different customs policies of various countries and regions. 

Please note that the tax is not collected by Letine but by local customs.

Inspection

When you receive your shipment, please inspect all packages and machines,if have any problem,contact us at+e-mail

Insurance is not included in the price of the machine. 

In the case that the customer has purchased insurance service, if the machine is lost, the insurance company will provide corresponding compensation service.

Testing and Additional Shipping Charges

You have the right to access, correct, and delete your personal information. You can do so by contacting us at +email

If you have any questions or concerns about this Shipping Policy, please contact us at +email