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

    3645W

  • Hashrate

    270.00 TH/s

  • Efficiency

    13.5 J/T

  • Algorithm

    SHA-256

Bitmain Antminer S21 XP Bitcoin Miner 270TH/S

5 out of 5

from US$3,100.00

  • Up to 100% better than the previous generation

  • Supports 24/7 continuous operation

  • Buy&Host : Please place your order on the corresponding page or contact us.

  • Warranty : Come with 365 days factory warranty.

  • mastercard
  • amex
  • discover
  • ethereum
  • ideal
  • Zelle
  • boost
  • caixa
  • pix

S21 XP Profitability Calculator

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Daily Earning

ROI

Electricity

Electricity ratio

Net Profit

Miner Profitability History

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

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.

Estimated dispatch and delivery

Please select the applicable product batch. Future-batch and pre-order products follow the manufacturer’s actual release and dispatch schedule. Manufacturer delays may occur, and BT ECOMMERCE CO., LIMITED is not responsible for losses arising from those delays. If no batch selection is shown, the product is treated as in stock.

Shipping

New in-stock miners are normally dispatched within 1–3 business days after full payment is verified. Used in-stock miners require testing and are normally dispatched within 3–7 business days after full payment is verified. After dispatch, delivery usually takes 5–7 business days, subject to customs clearance and local carrier conditions. A tracking number will be emailed after shipment.

Cancellation, returns and faults

All sales are final and non-refundable. A cancellation may be requested before the order is handed to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. If a miner is faulty on arrival, contact us promptly. After diagnosis, eligible cases will be handled by repair or replacement only; no refund will be issued. Contact store@bt-miners.com for assistance.

Minable pools for

VIABTC ! ViaBTC

PPS+
Block Reward Fee: 4%
Transaction Fee Reward Fee: 2%

PPLNS
Pool Fee: 2%

Fees may vary by coin and mining method.

ANTPOOL ! ANTPOOL

Multiple payment methods available.

Payment Methods: PPS+, PPLNS and other methods depending on coin
Pool Fee: Varies by coin
Minimum Payout: Varies by coin
Payout Schedule: Varies by coin

F2POOL ! F2Pool

Multiple payout methods available.

Reward Scheme: Varies by coin
Pool Fee: Varies by coin and payout method
Minimum Payout: Varies by coin
Payout: Automatic payouts when the threshold is reached

Partners

ANTMINER-S21-XPAntminer S21 XP Description

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 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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Order Processing

New in-stock miners are normally dispatched within 1–3 business days after full payment is verified. Used in-stock miners require testing and are normally dispatched within 3–7 business days after full payment is verified. Future-batch and pre-order products follow the manufacturer’s actual release and dispatch schedule. Manufacturer delays may occur, and BT ECOMMERCE CO., LIMITED is not responsible for losses arising from those delays.

Shipping Carriers

Orders are shipped through reputable international carriers such as DHL, UPS or FedEx. A tracking number will be emailed after dispatch.

Estimated Delivery

Delivery usually takes 5–7 business days after dispatch. Customs clearance and local carrier conditions may affect the actual delivery date.

Cancellation and Faults

All sales are final and non-refundable. A cancellation may be requested before handover to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. Faulty-on-arrival miners are handled by repair or replacement only after diagnosis.

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 be subject to card processing fees.

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

Bank transfer clearing times vary by bank and location. Cryptocurrency payments are typically confirmed within 1 business day.

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

Customs & Delivery

Shipments are managed through DHL, UPS and FedEx for most international destinations. Due to changing regulations, we may not be able to cover import duties for all orders entering the USA. Deliveries to other countries may require customers to clear customs and pay duties or taxes. Please notify us promptly if customs requests documents, as improper or delayed filing may result in additional fees or delays.

DDP Option

Delivery Duty Paid (DDP) service may be available in select countries. Advance arrangement is required; please contact store@bt-miners.com for details.

Returns for Repair or Replacement

If diagnosis requires a miner to be returned to Hong Kong or another service location, the customer is responsible for related shipping charges unless otherwise agreed in writing.

All sales are final and non-refundable. A cancellation may be requested before handover to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. Eligible faulty-on-arrival cases are handled by repair or replacement only.

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.