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 |
3 reviews for Bitmain Antminer S21
Quick Comparison
| Bitmain Antminer S21 remove | Fluminer T3 115 TH/s remove | Bitmain Antminer S21 XP Bitcoin Miner remove | Antminer ETC Miner E11 remove | Bitmain Antminer S23 remove | Antminer S19k Pro 136Th remove | |||||||||||||||||||||||||||
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| Name | Bitmain Antminer S21 remove | Fluminer T3 115 TH/s remove | Bitmain Antminer S21 XP Bitcoin Miner remove | Antminer ETC Miner E11 remove | Bitmain Antminer S23 remove | Antminer S19k Pro 136Th remove | ||||||||||||||||||||||||||
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| SKU | ANTS21 | FLUT3 | S21XP | ETCE11 | AS23 | S19k | ||||||||||||||||||||||||||
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| Price | $2,300.00 | $1,600.00 | Original price was: $5,600.00.$3,100.00Current price is: $3,100.00. | Original price was: $2,100.00.$1,700.00Current price is: $1,700.00. | $4,500.00 | $700.00 | ||||||||||||||||||||||||||
| Stock | 104 in stock | 101 in stock | 118 in stock | 115 in stock | 150 in stock | 110 in stock | ||||||||||||||||||||||||||
| Weight | N/A | N/A | 18.7 kg | 15.85 kg | 15.8 kg | 13.2 kg | ||||||||||||||||||||||||||
| Dimensions | N/A | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||||||||||||
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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. | Fluminer T3, optimized for the SHA-256 mining algorithm from Fluminer, comes with a maximum hash rate of 115TH/s for a power consumption of 1700W. With an efficient air cooling system, T3 dissipates heat effectively, preventing machine overheating while aiding an excellent energy efficiency of 14.78 j/Th. | Bitmain Antminer S21 XP mining the SHA 256 algorithm has a maximum hash rate of 270Th/s at a power consumption of 3645W. Weighing around 18.7 kgs, Bitmain Antminer S21 XP gives an energy efficiency of 13.5j/Th. The ASIC comes with a warranty period of 365 days. | The Antminer ETC E11 Cryptocurrency Mining Rig is a cutting-edge solution designed for high-efficiency mining of ETC using the Ethash algorithm. With its powerful performance and robust build, the Antminer ETC E11 is engineered to deliver optimal results while maintaining energy efficiency. | 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 | The Bitmain Antminer S19k Pro is an air-cooled ASIC miner designed for the SHA-256 algorithm, primarily used for mining Bitcoin (BTC). Released in mid-2023, it is widely considered one of the most efficient models of the S19 generation, balancing high performance with a competitive price point. | ||||||||||||||||||||||||||
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Michael Rico –
Very impressed with the Antminer S21 performance. The hashrate is stable and matches the specs advertised. Delivery was faster than expected and the packaging was secure. Setup was straightforward, and it’s been running efficiently since day one. Solid experience overall.
Carlos Micco –
El Antminer S21 funciona perfectamente. El rendimiento es constante y el consumo energético es razonable para su potencia. El envío fue rápido y el servicio al cliente respondió a mis preguntas sin problemas. Muy satisfecho con la compra
Julien Dee –
Le Antminer S21 offre d’excellentes performances. L’installation était simple et la machine fonctionne de manière stable. La livraison a été rapide et bien organisée. Je recommande pour ceux qui cherchent un mineur fiable