Bitmain Antminer S21 XP 270TH/s – SHA-256 Bitcoin Air-Cooled Miner

Bitmain Antminer S21 XP for Sale – 270 TH/s SHA-256 Bitcoin Miner

The Bitmain Antminer S21 XP is the most powerful air-cooled Bitcoin ASIC miner in Bitmain's lineup, delivering an extraordinary 270 TH/s of SHA-256 hashing power with a power consumption of approximately 3645W. With a groundbreaking energy efficiency of just 13.5 J/TH, the Antminer S21 XP sets a new industry benchmark for air-cooled Bitcoin mining hardware — offering professional miners the highest hashrate and best efficiency available in a standard air-cooled form factor.

Antminer S21 XP Specifications

• Hashrate: 270 TH/s (SHA-256 algorithm)
• Power Consumption: ~3645W (±10%)
• Energy Efficiency: 13.5 J/TH
• Mining Algorithm: SHA-256 (Bitcoin, Bitcoin Cash)
• Manufacturer: Bitmain
• Cooling: Advanced dual-fan air cooling
• Connectivity: Ethernet
• Operating Temperature: 5°C to 45°C
• Noise Level: ~75 dB
• Power Supply: APW12 (included)

Why the Antminer S21 XP Is the Best Air-Cooled Bitcoin Miner

The Antminer S21 XP from Bitmain pushes the boundaries of air-cooled mining performance. At 270 TH/s, it outperforms every other air-cooled miner on the market, including the S21 Pro (234T) and the standard S21+ (216T). The exceptional 13.5 J/TH efficiency means maximum Bitcoin revenue per kilowatt-hour of electricity — a critical advantage for mining profitability at any scale.

Antminer S21 XP Profitability

The Antminer S21 XP profitability advantage comes from its unmatched combination of high hashrate and low power consumption. At 270 TH/s with only 3645W draw, the S21 XP produces significantly more Bitcoin per watt than competing models. Miners running the S21 XP with electricity costs at $0.06-$0.10/kWh can expect strong daily returns, making it one of the most profitable Bitcoin miners available for long-term mining operations.

S21 XP vs S21 Pro vs S23: How They Compare

The Bitmain Antminer S21 XP bridges the gap between the S21 Pro (234T, 15 J/TH) and the newest Antminer S23 (318T). While the S23 offers higher total hashrate, the S21 XP provides an excellent balance of performance and value. For miners who want top-tier air-cooled performance without the premium price of the latest generation, the S21 XP remains an exceptional choice.

Built for Industrial Mining Operations

The Antminer S21 XP is engineered for continuous 24/7 operation in professional mining facilities and ASIC hosting environments. Bitmain's latest-generation ASIC chips, combined with advanced thermal management and robust build quality, ensure long-term reliability. The dual-fan cooling system efficiently dissipates heat while maintaining optimal operating temperatures for sustained peak performance.

What's Included

• 1× Bitmain Antminer S21 XP (270 TH/s)
• 1× Power supply unit (APW12)
• 1× Ethernet cable
• 1× Setup documentation
• Full manufacturer warranty

Buy Antminer S21 XP at CaptainMining

CaptainMining is your trusted Canadian source for Bitmain Antminer products and Bitcoin mining hardware. We offer competitive Antminer S21 XP pricing, fast shipping across Canada and North America, and ASIC hosting services for miners who prefer managed hosting. Order your Antminer S21 XP today and mine Bitcoin with the most efficient air-cooled ASIC technology available.