Description
SomeWhatminer 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.
Second-hand products.
Minimum order 10PCS
Specifications
| Manufacturer | MicroBT |
|---|---|
| Model | Whatsminer M21 |
| Release | August 2019 |
| Size | 200 x 300 x 440mm |
| Weight | 7150g |
| Chip name | TSMC |
| Chip size | 12nm |
| Noise level | 75db |
| Power | 1860W |
| Interface | Ethernet |
| Temperature | -5 – 40 °C |
| Humidity | 5 – 95 % |
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.
There is Two NEW SHA-256 ASIC miners are set to be released later this year, one of them being the StrongU STU-U8, and the other being the MicroBT Whatsminer M21.
Some manufacturers have been known to run new miners on the network prior to shipping.
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.
At this electricity price, all ASICs are currently profitable except the Bitmain Antminer S3.
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