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@asicminers.org 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://asicminers.org/
Additional information
| color | Black, DarkSlateGrey, Silver |
|---|---|
| Algorithm | SHA-256 |
Quick Comparison
| Bitmain Antminer S21 remove | MicroBT Whatsminer M63S+ Hydro remove | Bitmain antminer S19j pro 104th s remove | MicroBT Whatsminer m30s++ remove | Bitmain Antminer S23 remove | Canaan Avalon A16XP-300T remove | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Bitmain Antminer S21 remove | MicroBT Whatsminer M63S+ Hydro remove | Bitmain antminer S19j pro 104th s remove | MicroBT Whatsminer m30s++ remove | Bitmain Antminer S23 remove | Canaan Avalon A16XP-300T remove | ||||||||||||||||||||||||||
| Image | |  |  |  |  |  | ||||||||||||||||||||||||||
| SKU | ANTS21 | M63S+ | ANTS19JP | WM30s++ | AS23 | AVAA16XP | ||||||||||||||||||||||||||
| Rating | ||||||||||||||||||||||||||||||||
| Price | $2,300.00 | Original price was: $4,400.00.$3,500.00Current price is: $3,500.00. | $1,100.00 | Original price was: $1,050.00.$950.00Current price is: $950.00. | $4,500.00 | $4,000.00 | ||||||||||||||||||||||||||
| Stock | 104 in stock | 200 in stock | 62 in stock | 220 in stock | 150 in stock | 98 in stock | ||||||||||||||||||||||||||
| Weight | N/A | 27.5 kg | N/A | 11 kg | 15.8 kg | 14.9 kg | ||||||||||||||||||||||||||
| Dimensions | N/A | 66.30 × 48.30 × 8.69 cm | 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. | Whatsminer M63S+ Hydro is manufactured by MicroBT which operates under the SHA-256 algorithm with a maximum hashrate of 430Th/s and power consumption of 7208W. | Model Antminer S19j Pro (104Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 104Th/s for a power consumption of 3068W. | 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. | The Bitmain Antminer S23 is a next-generation SHA-256 ASIC miner series released in early 2026. It represents a major leap in efficiency, with the flagship hydro-cooled model reaching 9.5 J/TH—a roughly 40% improvement over the previous S21 series | Avalon A16XP is manufactured by Canaan which operates under the SHA-256 algorithm with a maximum hashrate of 300Th/s and power consumption of 3850W. | ||||||||||||||||||||||||||
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