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Bitmain Antminer S21 Pro (234–245 Th/s)

Bitmain Antminer S21 Pro (234–245 Th/s)

Regular price $4,229.00 USD
Regular price $6,299.00 USD Sale price $4,229.00 USD
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  • PSU and cables included
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Bitmain Antminer S21 Pro (234–245 Th/s)

The Bitmain Antminer S21 Pro is a flagship air-cooled ASIC miner engineered for the SHA-256 algorithm, purpose-built for BTC (Bitcoin) mining. Delivering 234–245 Th/s of sustained hashrate at 3,510W and 15 J/Th, it represents Bitmain's most efficient air-cooled Bitcoin miner — purpose-built for large-scale professional data center deployments.

Technical Specifications

  • Manufacturer: Bitmain
  • Model: Antminer S21 Pro
  • Algorithm: SHA-256
  • Target Coins: BTC / BCH / BSV
  • Hashrate: 234–245 Th/s
  • Power Consumption: 3,510W
  • Energy Efficiency: 15 J/Th
  • Voltage: 12–15V DC
  • Hash Boards: 3
  • Hash Chips: 324
  • Dimensions: 400 × 195 × 290 mm
  • Weight: 15,400g
  • Noise Level: 76 dB
  • Interface: RJ45 Ethernet 10/100M
  • Operating Temperature: 0–45°C
  • Humidity: 10–90%

Why Choose the Antminer S21 Pro

  • 245 Th/s at 15 J/Th — Bitmain's most efficient air-cooled Bitcoin miner
  • Enterprise-grade build quality with 324 hash chips across 3 boards for sustained reliability
  • Compact form factor for straightforward rack integration in standard data center environments
  • Multi-coin SHA-256 compatibility — mines BTC, BCH, and BSV
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The North Miner Standard

Professional service from purchase to deployment

Every order is managed by a team experienced in ASIC mining hardware, commercial deployments and worldwide equipment delivery.

Complete Mining Hardware

The required power supply is included when it is supplied as part of the selected miner model. Each order is reviewed and prepared before dispatch.

Dedicated Support

Our team assists with product questions, order updates, installation guidance and after-sales equipment support.

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Fast Order Processing

Orders are normally prepared within one to two business days after payment confirmation. Bulk and customized orders may require additional preparation.

Worldwide Delivery

North Miner coordinates international delivery through established carriers such as DHL and UPS. Tracking is provided after dispatch, and a signature may be required.

Your order journey

A clear and controlled process

From payment verification to final delivery, every order follows a structured process designed to keep you informed.

01

Order verification

We review your order, payment and delivery information.

02

Equipment preparation

Your equipment is allocated, reviewed and prepared for shipping.

03

Secure dispatch

The shipment is transferred to the carrier and tracking is issued.

04

Delivery and support

Our team remains available after delivery for equipment assistance.

Before ordering

Important purchasing information

Product configuration and setup

Configuration assistance may be available for compatible equipment. Mining pool details, firmware preferences, voltage, network and hosting requirements should be confirmed before deployment.

Pricing and availability

ASIC miner pricing and availability may change because of manufacturer supply, market demand, network conditions, cryptocurrency prices and international logistics costs.

Mining risk notice

Mining performance and profitability are not guaranteed. Revenue may change based on network difficulty, digital asset prices, electricity costs, mining pool fees and equipment uptime.

Payment options

Available payment methods may include supported cryptocurrencies, bank transfer and other approved methods. Options may depend on the order value, product category and destination.

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Secure shipping

Mining equipment is packaged for commercial transportation. Tracking and signature confirmation may be used to reduce the risk of unauthorized receipt or incorrect delivery.

Terms and policies

Please review our terms, shipping policy, return policy and warranty information before completing your purchase.

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Need help before ordering?

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Contact our team for product compatibility, bulk purchasing, commercial deployment or delivery questions.