Metal Whatsminer M21S 58TH Bitcoin Mining

About Whatsminer M21S

Like its predecessor, the Whatsminer M21, the Whatsminer M21S has an integrated design with a long PSU and smaller dimensions. The hash board has a design similar to that of Whatsminer m21, to buy the dashboard separately to connect with M21 components.

Specifications

The fact that the M21S calculates the power of 58T has more advantages than the M21 model. The dimensions are 155 x 240 x 390 mm and the weight is 7.1 kg. This size allows for less processing and saves space in the mine.
M21 is equipped with P5-12-2200-V1 power supply, DC 12.8V 172A output, 10A socket effect is good.
The power supply has an aluminum bracket to protect the wire from the connector side. It serves as an easy-to-use pen.
The productivity of the mining machine is 0.06 J / hr. It has two 12038 cooling fans, one for blowing and the other for releasing air. Fan power supply 12V 2.8A, the same as the old model.

Description

The fact that M20, M21, M21B, M20S, M21S are a win-win repeat of the previous models of the M10 series. All products are Samsung 8nm chip, and a new microBT logo has been released, richer functions.
The company specializes in the production and design of high performance 28nm / 16nm / 7nm working chips, and provides development / assistance in blockchain technology, cloud computing, artificial intelligence and other fields.

• 
  Packaging & Shipping

  

  
  Our packaging method is to choose the original packaging or use the air column to wrap the machine, and then put the mining machine in the box and fix it with foam. Outer packaging We provide wooden pallets or wooden boxes for the boxes to ensure that the machine can reach your designated location intact. We use UPS, DHL, FedEx, EMS, TNT or freight forwarders as your requirements.

  After Sales Service

  
  Our company has professional test rooms and test maintenance teams in Shenzhen, Inner Mongolia, Sichuan, Xinjiang and Yunnan, and even in the United States and Russia. We are the only professional testing organization in Shenzhen. The testing room can accommodate 400 machines at the same time, and the shipment volume is between 700 and 800. We can ensure that every mining machine sent to you is perfect, if you receive it, if there are any problems after delivery, we will provide you with after-sales service as soon as possible.
  

  FAQ

  Q1: How can I get your latest product and price list?

  A1: Please provide your contact information (Such as Email, Whatsapp, Skype,Trademanager, Wechat) to us. We will contact you and send our quotation to you as soon as possible.

  Q2: Who could provide the Warranty Service?

  A2: If it is within the warranty period, the original factory of the miners will be responsible for it. If it is out of warranty,we will provide paid maintenance service.

  Q3: How can you guarantee the quality of used/second hand machine?

  A3: If the machine is used one which is out of warranty, we will test each one before shipment to ensure its function well. Test video could be provided.

  Q4: How about the payment?

  A4: We mainly support T/T bank transfer, Credit Card, Crypto payment like BTC, USDT, ETH also acceptable.

  Q5: What is your shipping methods?

  A5: We use UPS, DHL, FedEx, EMS, TNT or the shipping agent as your request.

  Advantage:

• Stable supply chain to avoid broken and defective product
• Professional engineer to test your miner to make sure the product is workable before we ship out.
• Professional salesman offer the High-quality service, and valuable information of the industry to you

• 
  After-sales
  If any product broken, 2 solutions can be provided as below.