US Stock – Used Bitmain Antminer S21 200Th/s 3550W – BTC/BCH/BSV Miner | EndlessMining

Description TheBitmain Antminer S21 200TH is a next-generation SHA-256 ASIC miner built for high-performance Bitcoin (BTC) mining. Delivering a powerful 200 TH/s hashrate with a power consumption of 3550W, the S21 achieves approximately 17.75 J/TH efficiency, making it a strong choice for operators focused on balancing hash output and electricity costs. This listing is for used units, professionally inspected and ready for deployment. Each miner includes 7-Day DOA (Dead on Arrival) protection for peace of mind. Designed for professional mining environments, the S21 supports 220–277V input voltage and connects via RJ45 Ethernet for stable, high-speed network connectivity. Built for single-phase power configurations, it integrates seamlessly into hosting facilities or properly equipped mining setups. Shipping Details: • Free shipping within the USA• Secure packaging to ensure safe delivery• MOQ: 1 unit     Product Specifications Product Glance Model S21 Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV Hashrate 235Th/s Power efficiency on wall 16.5 J/TH(1-1) Power Supply Power supply AC input voltage, Volt 220~277V Power supply AC input frequency range, Hz 50~60Hz Power supply AC input current, Amp 20Amp Adapted AC output power requirement, W 3642W Hardware Configuration Network connection mode RJ45 Ethernet 10/100M Miner size (length*width*height, w/o package),mm 450*219*293mm Miner size (length*width*height, with package),mm 630*350*430mm Net weight, kg 21.5kg Gross weight, kg 24.5kg Noise，dBA 76dBA Environment Requirements Operation temperature,°C -20~45℃ Storage temperature,°C -20~70℃ Operation humidity , RH 10%~90% Operation altitude, m ≤2000 Disclaimer Description: Brokerage Disclaimer & Manufacturing Terms EndlessMining.com acts solely as a broker between the buyer and the manufacturer. By placing an order through EndlessMining.com, the buyer acknowledges and agrees to the following terms: Manufacturing Process: The units ordered are not pre-manufactured but will be produced after the order is placed. As such, manufacturing times may vary depending on the manufacturer’s production schedule and external factors. EndlessMining.com does not have control over the production process or delivery timeline. No Refunds or Returns: Once the manufacturing process has begun, the manufacturer does not accept cancellations, refunds, or returns under any circumstances. By agreeing to purchase, the buyer accepts that the sale is final, and any issues regarding the product’s condition or performance must be addressed directly with the manufacturer. Liability: EndlessMining.com assumes no liability for the quality, performance, or delivery delays of the products. All warranties and guarantees, if any, are provided by the manufacturer. EndlessMining.com facilitates the transaction but does not bear responsibility for the product itself. Delay in Shipment: In the event of delays beyond the expected shipment timeframe, EndlessMining.com will make reasonable efforts to communicate with the manufacturer on behalf of the buyer. However, no compensation, refund, or cancellation will be provided by EndlessMining.com unless a refund is obtained from the manufacturer, which will then be passed on to the buyer. By completing this purchase, the buyer fully understands and agrees to these terms, absolving EndlessMining.com from any responsibility beyond facilitating the transaction.