MicroBT Whatsminer M31S 76TH/s: Cost-Effective Bitcoin Mining Solution

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Original price was: $2,200.00.Current price is: $1,799.00.

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MicroBT’s WhatsMiner series sets the industry standard for SHA‑256 ASIC miners, delivering top-tier hash rates from 76 TH/s to 450 TH/s and class-leading energy efficiency between 17–38 J/TH. Flagship units like the M30S (up to ~96 TH/s at ~37 J/TH) offer reliable, low-noise performance ideal for both newcomers and seasoned miners . Higher-end models such as the M50S (128 TH/s, 26 J/TH) and M63/M63S+ (up to 450 TH/s at 17 J/TH, featuring hydro-cooling options) deliver exceptional throughput for scale operations . Built with robust firmware, superior QA, and smart thermal throttling, WhatsMiner units ensure stable uptime under heavy loads . Whether you're building a home mining rig or running an industrial farm, MicroBT WhatsMiner offers powerful, energy-efficient, and reliable ASIC mining solutions built to maximize ROI.

Whatsminer – The Unstoppable Force in Bitcoin Mining.

Built for miners who demand raw power and relentless reliability. Our rigs don’t just compete—they dominate, turning watts into wealth with brutal efficiency. Mine harder.

Product Overview

The MicroBT Whatsminer M31S is an air-cooled ASIC miner designed for SHA-256 algorithm cryptocurrencies. First released in April 2020, it offers a hash rate of 76 TH/s (±5%) with a power consumption of 3,220 W, achieving an energy efficiency of 42 J/TH. Its compact design (390×220×130 mm) and dual-fan cooling system make it suitable for various mining setups.

Whatsminer M31S


Performance Metrics

Metric Value
Daily Revenue* $4.15
Power Cost/Day* $7.73 (@$0.10/kWh)
Monthly Profit* $124.50
Break-even Period* ~16 months

The calculation is based on BTC=$27,600, network difficulty, and pool fees. Source: NiceHash Calculator


Ideal Users

User Type Best For
Home Miners Compact size fits residential spaces
Small Mining Farms Budget-friendly entry-level operations
Mining Hosting Reliable performance for colocation
Crypto Investors Secondary mining rig for diversification

Important Notes

  • Requires 220V-240V power supply

  • Generates significant noise (75 dB)—not suitable for quiet environments

  • Regular dust cleaning required for optimal cooling

  • Firmware updates improve performance and stability

  • Profitability highly dependent on electricity costs


Why Choose the M31S?

The Whatsminer M31S remains a popular choice for miners seeking an affordable entry into SHA-256 mining. While newer models offer better efficiency, the M31S provides exceptional value with its proven reliability and lower upfront cost. Its 12nm chip technology delivers consistent performance, making it ideal for miners with access to low-cost electricity.

Specification

Cryptocurrency

Cryptocurrency

BTC+FB+NMC

Algorithm

Algorithm

SHA-256

Hash rate

Hash rate

76TH/s (±5%)

Energy efficiency

Energy efficiency

42J/TH

Dimensions

Dimensions

390 × 220 × 130 mm

Weight

Weight

12.5 kg

Noise Level

Noise Level

75 dB

Interface

Interface

Ethernet

📦 Shipping Options

We provide tailored logistics solutions for global clients:

MethodEstimated TimeBest For
Air Express5–10 business daysUrgent orders
Air Freight10–20 business daysMedium-sized shipments
Sea Freight20–45 daysLarge/Bulk orders
Land Transport7–15 days (Asia only)Neighboring countries

⏳ Processing & Transit

  • Order Processing‌: 1–3 business days after payment confirmation.
  • Customs Ready‌: Includes commercial invoice, packing list, and compliance certificates (CE/FCC/RoHS).

🛡️ Packaging Standards

  • Industrial wooden crates with shock-absorbent foam.
  • Waterproof & anti-static protection for electronics.
  • Individual serial number tracking per unit.

🌍 Customs & Duties

  • Buyer’s Responsibility‌: Import taxes/VAT (DDU standard).
  • Optional Services‌: DDP (Door-to-Door Tax Paid) available upon request.

🔍 Tracking & Support

  • Real-time tracking via email/SMS (FedEx/DHL/MAERSK).
  • Dedicated logistics team: ‌service@‌oemminer.com.

⚠️ Damages & Returns

  • Report within ‌48 hours‌ with photos/video evidence.
  • Free replacements for manufacturing defects (shipping costs covered by seller).
HS Code: 8542.31.00 (Electronic Machines)  
Origin: China

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