Bitmain Antminer S21 XP (270Th)
Bitmain Antminer S21 XP (270Th) 2,360$
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    Bitmain Antminer S21 Pro (245Th)

    BITMAIN

    The Bitmain Antminer S21 Pro (245Th) is a high-performance ASIC miner delivering 245 Th on the SHA-256 algorithm for Bitcoin (BTC) mining.

    Built with optimized firmware and robust thermals, it offers industry-leading stability and uptime for both home setups and large-scale mining farms.

    1,223$

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    BullMiners — What's Included

    Everything included

    Guidebook, Power Supply (PSU), USB Flash Drive, cables and connectors.

    Free global shipping

    Fast delivery to EU, US and many other countries. 1–3 business days.

    30-day returns

    All items refundable and orders cancelable. No questions asked.

    Guaranteed Safe Checkout

    Features & Compatibility

    Overview

    The Bitmain Antminer S21 Pro (245Th) by Bitmain is a professional-grade cryptocurrency mining machine utilizing the SHA-256 algorithm to mine Bitcoin (BTC). Delivering an impressive hashrate of 245 Th/s while consuming 3531W at 14.4 J/Th efficiency, this unit is engineered for reliable 24/7 mining operations.

    Key Features

    • High Hashrate: 245 Th/s of SHA-256 mining power for maximum output
    • Power Efficiency: Optimized 3531W power consumption for cost-effective mining
    • Energy Efficiency: 14.4 J/Th – industry-leading efficiency ratio
    • SHA-256 Algorithm: Purpose-built for Bitcoin (BTC)
    • Bitmain Quality: Built by a trusted manufacturer with proven reliability
    • Plug & Play Setup: Quick and easy installation for immediate mining operation
    • 24/7 Operation: Industrial-grade components designed for continuous mining

    Technical Specifications

    Manufacturer Bitmain
    Model Antminer S21 Pro (245Th)
    Algorithm SHA-256
    Minable Coin Bitcoin (BTC)
    Hashrate 245 Th/s
    Power Consumption 3531W
    Energy Efficiency 14.4 J/Th
    Condition Brand New / Factory Sealed

    Mining Profitability

    The Bitmain Antminer S21 Pro (245Th) with its 245 Th/s hashrate and 3531W power draw offers a strong efficiency ratio of 14.4 J/Th. Actual mining profitability depends on factors including electricity costs, network difficulty, and cryptocurrency market prices. We recommend using online mining calculators to estimate your potential returns based on your local electricity rates.

    What’s in the Box

    • Bitmain Antminer S21 Pro (245Th) Mining Unit
    • Power Supply Unit (PSU) – where applicable
    • Power Cables
    • User Manual / Quick Start Guide

    Why Buy from BullMiners?

    • Authorized Dealer: Genuine products sourced directly from manufacturers
    • Fast EU Shipping: Quick delivery across Europe from our warehouse
    • Expert Support: Dedicated mining support team to help with setup and optimization
    • Secure Payment: Multiple payment options including crypto payments
    • Warranty Included: Full manufacturer warranty on all products
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    Additional information

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