Bitmain Antminer S21
$2,300.00
The Bitmain Antminer S21 is a high-efficiency ASIC miner for SHA-256 algorithms (Bitcoin/BCH), delivering ~200 TH/s at 3,500W (17.5 J/TH). It features air cooling, 4 high-speed fans, and operates between 220-277V, making it a top choice for professional, energy-efficient mining.
104 in stock
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Description
The Antminer S21 by Bitmain features the powerful BM1368 chip, delivering 200 TH/s hashrate with 17.5 J/TH efficiency and 3500W power consumption. It features air cooling, 4 high-speed fans, and operates between 220-277V, making it a top choice for professional, energy-efficient mining.
- Hashrate: 200 TH/s
- Power Consumption: 3500W
- Efficiency: 17.5 J/TH
- Dimensions: 400 x 195 x 290 mm
- Weight: 15.4 kg
- Noise Level: 75-76 dB
- Algorithm: SHA-256
Purchasing Guidelines
1. Shipments will be scheduled on a first-paid-first-ship basis for orders on which ASIC MINERS has received full payment.
2. You are responsible for any customs delays or returned shipments due to a lack of proper documentation. It’s highly recommended to be aware of local customs clearance policies and prepare all customs documentation ahead of time to avoid delays or unexpected costs.
3. Please contact info@asicminerbulk.com for additional information on customs clearance for ASIC MINERS products.
Warranty
1. A 365-day warranty is provided starting from the shipping date. ASIC MINERS will cover shipping costs when shipping a replacement unit within the warranty period.
2. The warranty only applies to the original purchaser who purchased the machine directly from ASICMINERS.ORG. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.
3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit without ASIC MINER’s prior consent, ASIC MINERS will not be liable for any damage arising therefrom.
4. Click here for a complete list of the Terms & Conditions that apply to all orders placed on https://asicminerbulk.com/
Additional information
| color | Black, DarkSlateGrey, Silver |
|---|---|
| Algorithm | SHA-256 |
Quick Comparison
| Bitmain Antminer S21 remove | Canaan Avalon Nano 3S 6TH/s remove | MicroBT Whatsminer M50s remove | Bitmain Antminer L11 Pro remove | MicroBT Whatsminer M63 Hydro remove | MicroBT Whatsminer m30s++ remove | |||||||||||||||||||||||||||||||||||
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| Name | Bitmain Antminer S21 remove | Canaan Avalon Nano 3S 6TH/s remove | MicroBT Whatsminer M50s remove | Bitmain Antminer L11 Pro remove | MicroBT Whatsminer M63 Hydro remove | MicroBT Whatsminer m30s++ remove | ||||||||||||||||||||||||||||||||||
| Image | |  |  |  |  |  | ||||||||||||||||||||||||||||||||||
| SKU | ANTS21 | AVANANO3S | MBTM50S | L11Pro | M63H | WM30s++ | ||||||||||||||||||||||||||||||||||
| Rating | ||||||||||||||||||||||||||||||||||||||||
| Price | $2,300.00 | $245.00 | $690.00 | $7,700.00 | $2,550.00 | Original price was: $1,050.00.$950.00Current price is: $950.00. | ||||||||||||||||||||||||||||||||||
| Stock | 104 in stock | 167 in stock | 76 in stock | 200 in stock | 80 in stock | 100 in stock | ||||||||||||||||||||||||||||||||||
| Weight | N/A | 0.86 kg | 12.8 kg | 15.8 kg | 27.5 kg | 11 kg | ||||||||||||||||||||||||||||||||||
| Dimensions | N/A | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||||||||||||||||||||
| Additional information |
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| Description | The Bitmain Antminer S21 is a high-efficiency ASIC miner for SHA-256 algorithms (Bitcoin/BCH), delivering ~200 TH/s at 3,500W (17.5 J/TH). It features air cooling, 4 high-speed fans, and operates between 220-277V, making it a top choice for professional, energy-efficient mining. | Avalon Nano 3S is manufactured by Canaan which operates under the SHA-256 algorithm with a maximum hashrate of 6Th/s and power consumption of 140W. | Whatsminer M50S is Manufactured By MicroBT And it’s mining SHA-256 algorithm which running maximum hashrate of 126Th/s for a power consumption of only 3276W. | The Bitmain Antminer L11 Pro is a high-performance ASIC miner designed for the Scrypt algorithm. Released in September 2025, it is primarily used for mining Litecoin (LTC) and Dogecoin (DOGE), often through merged mining. | The MicroBT Whatsminer M63 Hydro series consists of high-performance, liquid-cooled ASIC miners designed for the SHA-256 algorithm, primarily used for mining Bitcoin (BTC) and Bitcoin Cash (BCH). Released in October 2023, these units utilize a fan-less hydro cooling system that reduces noise to approximately 50dB and allows for high-density 4U rack-mount deployments | Whatsminer M30S++ is Manufactured By MicroBT And it’s mining SHA-256 algorithm which running maximum hashrate of 110Th/s for a power consumption of only 3472W. | ||||||||||||||||||||||||||||||||||
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