Whatminer M21 28T Miner
Whatsminer M21 28T from MicroBT mining SHA-256 algorithm with a maximum hashrate of 31Th/s for a power consumption of 1860W.
Minimum order 10PCS
|Size||200 x 300 x 440mm|
|Temperature||-5 – 40 °C|
|Humidity||5 – 95 %|
Whatsminer M21 28T :
Turning to mining fundamentals, the BTC network is secured by the SHA-256 consensus algorithm.
The most profitable SHA-256 ASIC miners currently available are; the ASICminer 8 Nano Pro, Bitfury Tardis, Bitmain Antminer S17, and MicroBT Whatsminer M215.
Ther eare Two NEW SHA-256 ASIC miners about set to be released later this year, one of them being the StrongU STU-U8, and the other being the MicroBT Whatsminer M21.
Network factors that influence mining profitability include; price, block times, difficulty, block reward, and transaction fees.
Looking into electricity costs is also a significant factor when determining profitability for various ASICs.
During the flood season, from April to October every year in the Chinese province of Sichuan, electricity drops to a cost of US$0.04 cents KWh due to the abundance of hydroelectric power.
Warranty & Buyer Protection
A 180-day warranty is provided starting from the shipped date.
|Strict quality inspection and carefully packed.|
Within warranty period
|Free repair/replacement service.|
After warranty period
|There will be repair/replacing cost incurred.|
|Technical support and repairing service are available for the full-life of the miner.|
You are protected from purchase from Click to Delivery. And you enjoy escrow for your purchase
Return & Refund Policy
Once sold not refundable, unless
|If you do not receive your purchase within 23 days(which exclude preorder items or shipping delay caused by manufacturers’ production capacity or customs reasons, wars or any other contingencies beyond the Asicminermarket control), you can ask for a full refund before order completion.|
|Fedex||3-7 days||3~7 business days|
1. Taxes and Custom Duties
Our products are excluded from all value added taxes and customs duties. You will be solely responsible for paying any outstanding taxes and duties as per your country’s law and customs.
2. The product has been returned.
We will re-ship your order, but any additional charges (“Return Expense”) shall be borne by you. The following situations will cause return：
You didn’t pay the tariff in time.
The delivery address is incorrect.
The local logistics company failed to contact you.
Ⅳ. I have problems with customs clearance
If you encounter problems during customs clearance, please submit a support ticket. Staff will assist you to deal with related issues.
If you need to specify a logistics company or declare a price, please leave a note when placing an order.
Products may be sent from different warehouses. If you purchase several products, you will receive multiple tracking numbers