MicroBT
Whatsminer M66S+
The Whatsminer M66S+ by MicroBT runs the SHA256 algorithm, delivers 298 TH/s, draws 5366W, at 18.0 J/TH efficiency. It mines BTC, BCH. Available for purchase from MinerHaolan with fast international shipping from Hong Kong and manufacturer warranty included.
Algorithm
SHA256
Hashrate
298 TH/s
Power
5366W
Available Coins
SSL Secured
256-bit encryption
6-12 Month Warranty
Full coverage
Free Shipping
Orders over $5,000
Buyer Protection
Verified seller
Immersion-cooled Bitcoin miner delivering 298 TH/s with 18.0 J/TH efficiency at 5366W. Engineered for deployment in dielectric fluid cooling systems common in large-scale facilities. Compact form factor maximizes hash density in confined spaces. Dual-coin capable for SHA-256 operations on Bitcoin and Bitcoin Cash.
Key Features
- Industry-leading 18.0 J/TH energy efficiency
- Powerful 298 TH/s hashrate for maximum profitability
- Advanced thermal management with Immersion
- Easy setup and management via web interface
Profitability Calculator🟢 Live Data
Estimates for Whatsminer M66S+, from live network hashrate and price
| Metric | Daily | Monthly | Yearly |
|---|---|---|---|
| Income | $10.79 | $328.44 | $3,938.31 |
| Electricity | -$10.30 | -$313.61 | -$3,760.49 |
| Profit | $0.49 | $14.83 | $177.82 |
* Revenue from live network hashrate, block time and block reward (source: WhatToMine), assumes a 1% pool fee, and extrapolates today's difficulty and price flat for the monthly/yearly figures. Estimates only, not a guarantee of earnings.
Compare with similar miners
Same algorithm, closest hashrate. Estimated profit assumes $0.08/kWh electricity and live network data.
MicroBT
MicroBT Whatsminer M66S Hydro Bitcoin Miner
- Hashrate
- 298Th/s
- Power
- 5513W
- Efficiency
- 18.5 J/TH
- Cooling
- Air-cooled
- Price
- $2,069.10
MicroBT
Whatsminer M66
- Hashrate
- 298 TH/s
- Power
- 3560W
- Efficiency
- 11.9 J/TH
- Cooling
- Air
- Price
- $2,700.00
MicroBT
Whatsminer M66S
- Hashrate
- 298 TH/s
- Power
- 5363W
- Efficiency
- 18 J/TH
- Cooling
- Air
- Price
- $3,600.00
MicroBT
Whatsminer M56S Hydro
- Hashrate
- 298 TH/s
- Power
- 5550W
- Efficiency
- 18.6 J/TH
- Cooling
- Hydro
- Price
- $3,150.00
Bitmain
Bitmain Antminer S21 XP Immersion Bitcoin Miner
- Hashrate
- 300Th/s
- Power
- 4050W
- Efficiency
- 13.5 J/TH
- Cooling
- 4 x High-Speed Cooling Fans
- Price
- $2,339.10
Bitmain
Antminer S21 XP Immersion
- Hashrate
- 296 TH/s
- Power
- 5200W
- Efficiency
- 17.6 J/TH
- Cooling
- Immersion
- Price
- $2,599.00
Bitdeer
Bitdeer SealMiner A3 Pro Air Bitcoin Miner
- Hashrate
- 290 TH/s
- Power
- 3625W
- Efficiency
- 12.5 J/TH
- Cooling
- Air
- Price
- $4,899.00
MicroBT
MicroBT Whatsminer M66S Immersion (310Th/s)
- Hashrate
- 310 TH/s
- Power
- 5500W
- Efficiency
- 17.7 J/TH
- Cooling
- Immersion
- Price
- $5,309.10
Customer Reviews
Sign in to write a review4.3
Based on 29 reviews
Professional grade equipment
This Whatsminer M66S+ is truly professional grade. The build quality, performance consistency, and thermal management are all top tier. Running 24/7 without any issues whatsoever.
Clean internal layout
Opened up my Whatsminer M66S+ out of curiosity and the internal layout is clean. Components are well organized and there's proper airflow design. Quality engineering.
Setup was straightforward
Setting up my Whatsminer M66S+ was straightforward. Plugged it in, configured the pool settings through the web interface, and it was mining within 15 minutes.
Mining efficiency champion
The Whatsminer M66S+ is a champion when it comes to mining efficiency. High hash rate with stable operation equals maximum profitability. Exactly what every miner wants.
Pool stratum support is complete
The Whatsminer M66S+ has complete pool stratum support. Works with all major pools without issues. Compatible with my preferred mining pools out of the box.
Frequently Asked Questions about Whatsminer M66S+
Related Mining Guides
WhatsMiner M53S: Your Ultimate Mining Companion
Boost your mining efficiency with the WhatsMiner M53S. Discover its powerful features and maximize your profits. Get started today!
8 min readMiningROI Showdown: Antminer S21 Pro vs Whatsminer M60S vs Avalon A1566 — The Best Crypto Miner for 2026?
We compare cost-per-terahash and efficiency across three flagship air-cooled Bitcoin miners to find the best crypto miner for your electricity rate and budget in 2026.
9 min readFirmware & MaintenanceUpgrade Your WhatsMiner Firmware: A Step-by-Step Guide
Upgrade your WhatsMiner firmware seamlessly with our step-by-step guide. Elevate performance effortlessly.
9 min read
