Home / Shop / Algo / SHA-256 Hardware / Bitmain Antminer S21 XP Bitcoin Miner 270TH/S | BT-MINERS
  • Power

    3645W

  • Hashrate

    270.00 TH/s

  • Efficiency

    13.5 J/T

  • Algorithm

    SHA-256

Bitmain Antminer S21 XP Bitcoin Miner 270TH/S | BT-MINERS

5 out of 5

from US$4,390.00

  • Up to 100% better than the previous generation

  • Supports 24/7 continuous operation

  • Ships immediately from local US warehouse

  • Warranty : Come with 6-month factory warranty.

  • coinpal
  • marstercard
  • amex
  • discover
  • ethereum
  • ideal
  • Zelle
  • boost
  • caixa
  • pix

S21 XP Profitability Calculate

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W
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Daily Earning

ROI

Electricity

Electricity ratio

Net Profit

Miner Profitability History

Description

Antminer S21 XP Description

Model Antminer S21 XP (270Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 270Th/s for a power consumption of 3645W.

For Brand NEW Miner, Bitmain Provides 365 days of factory warranty.

Technical Specifications

Product Glance Value
Model S21 XP
Crypto algorithm/coins SHA256 | BTC/BCH/BSV
Typical hashrate 270.00 TH/s
Power on wall @35℃, Watt 3645W
Power efficiency on wall@35℃ 13.5J/TH
Detailed Characteristics Value
Power Supply
Phase 1
Input voltage, Volt 220~277
Input frequency range, Hz 50~60
Input max current, Amp 20
Hardware Configuration
Networking connection mode RJ45 Ethernet 10/100M
Server size(length*width*height, w/o package), mm 449*219*293
Server size(length*width*height, with package), mm 640*360*450
Net weight, kg 18.7
Gross weight, kg 21.5
Noise@30℃, dBA 76
Environment Requirements Value
Storage temperature, °C -20~70
Operation humidity(non-condensing), RH 10~90%
Operation temperature,°C -20~45
Operation altitude, m ≤2000
What's in the Box Value
Original factory mining machinery
Power supply
Shockproof packaging

Notes

(1) The hashrate value, power on wall, and power efficiency on wall are all typical values. The actual hashrate value fluctuates by ±3%, and the actual power on wall and power efficiency on wall fluctuate by ±5%.

(2) Caution: Wrong input voltage may cause server damaged.

(3) The noise is loudest when the fan is under maximum RPM(rotation per minute).

(4) When the server is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1℃ for every increase of 300m.

Estimate time

Please select your preferred product batch –  Available Now (In Stock) for immediate shipment or Month Batch for delivery within your chosen timeframe. If no selection is needed, the product is in stock and ready to ship. If you haven’t received your miner after the estimated time, please contact us at store@bt-miners.com, and our team will assist you promptly.

 

Shipping

All used miners will undergo testing by our certified technicians before shipping, which requires 3-5 business days. New miners will be shipped from our Shenzhen or Hong Kong warehouse, with international delivery taking approximately 5-10 business days via DHL. Once your order is shipped, you will receive a confirmation email with a tracking number. Shipping fees are calculated based on product type and weight, varying by region.

 

Returning policy

All sales are final and non-refundable after shipment, but we offer repair and replacement services if there are technical issues with your miner.

 

Minable pools for

Partners

 

ANTMINERAntminer S21 XP

The Bitmain Antminer S21 XP is one of the most advanced Bitcoin miners available, offering a remarkable 270TH/s hash rate paired with an impressive 13.5 J/TH power efficiency. Built with Bitmain’s latest-generation ASIC chips, the S21 XP is engineered for long-term, stable performance even under intensive mining conditions. Its enhanced cooling architecture helps maintain optimal temperatures, improving durability and reducing downtime for large-scale mining farms and hosting facilities.

Thanks to its high energy efficiency, the S21 XP significantly lowers operational electricity costs while maximizing BTC output, making it an excellent choice for miners aiming to improve profitability. Compatible with all standard 220–240V mining setups, this unit is suitable for both professional and industrial deployments. BT-Miners provides fast global shipping, secure packaging, and optional hosting services to help miners start earning quickly. Choose the Antminer S21 XP for top-tier performance and reliable Bitcoin mining results.

Product Certification

Bitmain’s Legacy and the Antminer Series

Bitmain has long been recognized as one of the most influential companies in the global cryptocurrency mining industry. Established in 2013, the company quickly became a pioneer in the development of high-performance ASIC mining hardware. Over the years, Bitmain’s engineering breakthroughs have shaped the evolution of blockchain mining, helping miners achieve higher profitability, lower energy consumption, and unprecedented operational efficiency.

At the core of Bitmain’s success is its legendary Antminer series—a lineup of ASIC miners covering major algorithms such as SHA-256, Equihash, Scrypt, Kadena, and more. Antminers are known worldwide for their stability, durability, and competitive edge in mining performance. The product line has produced some of the most iconic models in mining history, including the Antminer S9, S19 Pro, L7, Z15, and the latest next-generation units such as the S21 XP and Z15 Pro.

Each Antminer generation not only improves hashing efficiency but also introduces advanced chip architecture, enhanced cooling systems, and optimized firmware designed for 24/7 operation. The series has become the global standard for both home miners and industrial-scale mining farms, offering unmatched reliability and long-term performance.

Today, Bitmain continues to push the boundaries of ASIC technology, developing miners that deliver higher output with lower power consumption. The company’s commitment to quality and innovation has solidified the Antminer brand as the benchmark of professional cryptocurrency mining—trusted by millions of miners across the world.

Product Compete

Antminer S21 vs Antminer S21 XP

Feature Bitmain Antminer S21 Bitmain Antminer S21 XP
Hashrate 200 TH/s 270 TH/s
Power Consumption 3,500 W 3,645 W
Energy Efficiency 17.5 J/TH 13.5 J/TH
Model Positioning Standard S21 series model suitable for mid-size or entry-level mining operations Next-generation upgraded model designed for maximum performance and efficiency
Dimensions / Weight 400 × 195 × 290 mm / ~15.4 kg 449 × 219 × 293 mm / ~18.7 kg
Operational Cost & ROI Lower upfront cost; suitable for higher electricity rates or smaller setups Higher efficiency lowers long-term power cost; best for low-electricity and large-scale farms
Use Case Home miners, small farms, older machine replacement Professional mining farms, hosting facilities, high-volume deployments

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  • Processing&Shipping Time Processing&Shipping Time
  • Payment Policies Payment Policies
  • Taxes and Custom Duties Taxes and Custom Duties

All shipments will go out by UPS or DHL.
Please contact us if any documentations are requested by customs.
Our product are excluded of all value added taxes and customs duties sold by BT-Miners. You will be solely responsible for paying any outstanding taxes and duties as per your country’s law and customs. Client will be responsible for additional shipping charges if items are returned to sender.
Contact us at store@bt-miners.com or 813-820-0668 if you have any questions.

All products on our website are priced in US Dollars.

Payment made by credit or debit card may subject to card processing fees.

We can accept payment by credit/ debit card, wire transfer, ACH transfer (through our online portal), and crypto.

*Machine prices will fluctuate according to the current market price.*

All orders will be dispatch in the order which they were received. Pre-orders typically ships at the end of the month of the batch but may delay if manufacturer delays release/shipment. In stock machines ship in 3-7 business days from our warehouse in China. Bulk orders may release a few days later.

We always try to ship as soon as we can via USP or DHL after full payment has been received and verified.

International shipping usually takes about 5-8 business days. Due to changing regulations, we will not be able to cover duty tax for all orders entering USA. Deliveries to other countries may require customers to clear customs and pay duty tax. Please notify us right away if documents are requested by customs as improper filing may result in higher fees and/or delays.

All sales are final and non-refundable on any terms.

FAQs

  • What Is The Lifespan Of This Mining Machine?

    The lifespan of mining hardware is influenced by usage intensity, environmental factors like temperature, humidity, and dust. Proper maintenance and optimal conditions can significantly extend its longevity.

  • How Does Electricity Cost Impact Profitability?

    Electricity costs play a crucial role in mining profitability, as high rates can quickly offset profit. Therefore, it is vital to access local electricity costs to determine if mining is viable. With high electricity costs and high liquidity of digital assets, investing in an energy-efficient miner becomes even more important.

  • Is the S21 XP suitable for home mining?

    It is designed for professional setups due to power, heat, and noise output.

  • How fast is shipping for the Antminer S21 XP?

    BT-Miners provides fast global delivery from U.S. and Hong Kong warehouses.

  • Profitability depends on BTC price, network difficulty, and electricity cost.

    Yes, Bitmain provides a standard manufacturer warranty on all new units.

  • How profitable is the S21 XP 270TH/s?

    Profitability depends on BTC price, network difficulty, and electricity cost.

  • What power voltage is required for the S21 XP?

    A 220–240V power source is required to operate the miner safely.

  • Can I host the S21 XP in a mining facility?

    BT-Miners offers professional hosting services with competitive electricity rates.

  • Does BT-Miners sell original Bitmain Antminer S21 XP units?

    Yes, all units are authentic and sourced directly from Bitmain-authorized channels.

  • Is the Bitmain S21 XP good for Bitcoin mining in 2025?

    Yes, its high efficiency makes it one of the best Bitcoin miners for long-term ROI.

  • What is the power consumption of the S21 XP 270TH?

    It consumes approximately 3645W, with a leading energy efficiency of 13.5 J/TH.

  • What is the hash rate of the Antminer S21 XP?

    The S21 XP delivers a powerful 270TH/s hash rate for SHA-256 Bitcoin mining.

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