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The Avalon A921 from Canaan mining SHA-256 algorithm has a maximum hash rate of 20Th/s and a power consumption of 1700. The internal cooling fins of the mining machine are arranged very tightly, and the interior is joined by two symmetrical units along the longitudinal central axis. The chip (A3206) is evenly distributed on two parallel metal plates on a single computing power board. 26 chips are designed on a single metal board, so the number of chips on a single computing power board is 26*2=52. , And according to the symmetrical properties of the two ends of the central axis inside the mining machine, it can be seen that the internal chips of the mining machine total 104 pieces. The chip arrangement interval is sparse from the air inlet to the air outlet, and the surface of each chip is coated with thermally conductive silicone grease to improve heat dissipation efficiency. Therefore, Avalon A921 focuses on heat dissipation and ventilation in the design of the mining machine. The Avalon A921 mining machine uses a relatively sparse internal structure and layout to obtain better ventilation and heat dissipation effects and ensure the stability of equipment operation.
Rated computing power: 20TH/s, -5% ~ +10%
Wall power consumption: 1700W, +0% ~ +20%
Energy consumption ratio: 85 W/T
Number of chips: 104 * A3206 7nm ASIC
Power interface: 10* 6PIN interface
Fan: 14038FAN, 6000RPM
Operating environment: -5℃ ～30 ℃
Indoor noise: 70db (typical value)
Geometric size: 378*170 *155 mm³
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| Product testing Each device is tested for 24 hours of operation. |
Product cleaning The entire miner was thoroughly cleaned. |
Check before shipment Before shipment, it will be checked again. |
Product delivery Use enhanced packaging or original packaging. |
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. |
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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. |
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Cryptocurrency Payment |
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Bitcoin - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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USDT - The payment method at the designated address is efficient and practical and can be used anywhere in the world. |
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ETH - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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LTC - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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Bank Transfer |
Other payment methods |
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Wire transfer - USD [Hong Kong] Card Number |
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Wire transfer - USD [China Mainland] Card Number |
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人民币支付 - CNY payment Card Number |
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Cooperation express: |
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Q: When will we ship after payment?
A: In order to ensure that the products we ship are in good condition. Issued approximately 3-5 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.
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China Mainland Hong Kong 
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat 
Company Phone: +86-023-72227777