Whatsminer M21s 56TH / S 3360W Used Bitcoin PC Miner Microbt Ethereum Miner Machine

Description:

Like its previous model, Whatsminer M21, Whatsminer M21S comes with an integrated design with a long power supply and smaller sizes. The hash board has a design like that of the Whatsminer m21 to buy the dashboard separately to couple it with M21 components.

Specifications

The hash rate of the Whatsminer M21S is 56T, which gives it an edge over the M21 model, and the physical size is 155 x 240 x 390mm with a weight of 7.1kg. The size dimension makes the device less bulky to handle and also helps conserve space in mining farms.

The M21s come with a P5-12-2200-V1 power supply to produce an output of DC 12.8V 172A, and the 10A socket in the mining farm works well.

The power supply comes with an aluminum rack, which protects the wires on the connector side. It is used as a handle for ease of usage.

This miner works with a power efficiency of 0.06j/Gh, and it has two 12038 cooling fans, one for blowing air and one for release of air, and the fan power is 12V 2.8A, just like its older model.

Miner Specifications:

FAQ:

The Miner Machine is different with consumer products of life , It is customized according to customers' needs. Please investment carefully . after deal then is agreed the sold condition of service as below :
1. No refund ,No goods return back after paid .
2. The Miner Machine have 180days warranty and guarantee period.
3. Because Market price instability factor , the product price maybe will change in anytime , so we will not infor each day and will asking increased price in order place time . the final price only after received order 100% payment then confirm.

Warranty :

1. A 180-day warranty is provided starting from the shipping date.
2. All sales are final. No refunds will be granted. Defective miners can be repaired for free if they fall under the Bitmain warranty policy. After the warranty period, machines can be repaired at the cost of parts and labor.
3. If you notice there are some loose heatsinks when you receive the miner, please inform us by email.com within 3 days from the date the package is received according to UPS/DHL/FEDEX's website.
4. We does not take any responsibility for or compensate for any loss as result of downtime caused by delays in transportation as a result of custom formalities or other reasons.

Warranty failure :

1. The Miner Without authorization to disassembly Machine / Without authorization to change or Replacement device .
2. Lightning stroke / Voltage surge / Damage caused by inferior power supply
3. Inflow water,Damage caused by damp and corrosion of circuit boards and components
4. The circuit boards burned or burned;
5. Over Clock
Please contact with us as soon as possbile if you get the thing happened above . we will help you to solution within short time and tell our service center the location nearly you.

Packing & Delivery:

1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!

INTRODUCTION

Our Headquartered is in Shenzhen Huaqiang North SEG Building that is the largest supplier of ASIC mining machines in China.

As a member of the industry, our company has close business contacts with well-known ASIC manufacturers such as Bitmain, Canaan, Microbt, Inno, and Goldshell, and can supply the latest models in large quantities. At the same time, the main source of second hand mining machines from farms across China can supply used ASICs at very favorable prices.

The team and miner source play very important role in the miner market.We set up a factory in Shenzhen, China, with an efficient and professional team to provide repair, maintenance, upgrade, dust removal, packaging and other services.

Sincerely looking for global partners.