Description The Bitmain Antminer S21EXP Hyd 3U (also known as the U3S21EXPH on the official Bitmain website) is a next-generation liquid-cooled mining rig designed for high-density industrial mining operations. Delivering an exceptional hash rate of 860 Th/s with a power consumption of 11,180W, this model ranks among the most powerful SHA-256 miners ever produced. The integrated hydraulic (Hyd) cooling system ensures superior heat dissipation, enabling stable, around-the-clock performance even in high-temperature environments. Its compact 3U form factor allows for efficient rack mounting, making it ideal for large-scale mining farms targeting Bitcoin and other SHA-256-based cryptocurrencies. Beyond its raw hashing power, the Antminer S21EXP Hyd 3U offers significant operational advantages, including reduced cooling costs, lower noise levels, and extended hardware lifespan compared to traditional air-cooled miners. The liquid cooling system minimizes dust ingress and eliminates the need for high-speed fans, resulting in a more reliable and energy-efficient mining setup. While the official efficiency figures should be verified via Bitmain’s specifications, the combination of 860 Th/s and 11,180W suggests a highly competitive joules-per-terahash ratio. For enterprises seeking to maximize hash rate per rack unit while maintaining thermal efficiency, the U3S21EXPH (S21EXP Hyd 3U) represents a top-tier solution in Bitmain’s evolving mining lineup. 1. Hashrate vs. Inlet Coolant Temperature 2. Power Efficiency vs. Inlet Coolant Temperature (1-1) The hashrate value, and power efficiency on wall are all typical values. The actual hashrate value fluctuates by ±3%, and the actual power efficiency on wall fluctuate by ±5%. WHAT’S INCLUDED: • 1 x Antminer S21EXP Hyd 3U 860Th/s 11180W. • Original manufacturer packaging. YOU MIGHT ALSO NEED: • Bitmain Antminer S21 XP 270Th/s 3650W – Bitcoin Miner – Input Voltage 220~277V | EndlessMining • How to troubleshoot your miner? Product Specifications Product Glance Model Antminer U3S21EXPH / Antminer S21EXP Hyd 3U Algorithm | Cryptocurrency SHA256 | BTC/BCH/BSV Hashrate 860Th/s Power on wall, Watt 13.0 Power Supply Power supply AC input voltage, Volt 380V~415V (3 Phase) Power supply AC input frequency range, Hz 50~60 Power supply AC input current, Amp 24 Adapted AC output power requirement, W 11180W Hardware Configuration Network connection mode RJ45 Ethernet 10/100M Miner size (length*width*height, w/o package),mm 900*482.6*130 Miner size (length*width*height, with package),mm 1,150*640*260 Net weight, kg 42.7kg Gross weight, kg 48.6kg Environment Requirements Storage temperature,°C -20~70 Operation humidity , RH 10~90% WHY BUY FROM ENDLESSMINING? • Trusted Since 2019 — Serving the Bitcoin mining community since 2019. With thousands of successful transactions across our website, eBay, Amazon, and Walmart. • 100% Positive Feedback — 154 ratings on eBay with 100% positive feedback (last 12 months). 4.5 stars on Amazon. Check our seller profiles: eBay Store | Amazon Storefront • US-Registered Business — EndlessMining LLC is a registered US company. Pay securely via wire transfer to our US bank account or with USDC/USDT. • Expert Support — Questions about setup, compatibility, or hosting? Contact us at [email protected] or 1 (206) 776-4962.
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