WhatsMiner M78S 522TH/s – MicroBT Oil-Cooled Bitcoin ASIC Miner | Buy Now

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The WhatsMiner M78S is MicroBT's latest 2026-generation oil-cooled Bitcoin ASIC miner, delivering an impressive 472–522 TH/s of SHA-256 hashrate with industry-leading 13.5 J/TH energy efficiency.
Designed for serious miners who want maximum density without traditional air-cooled noise and heat issues, the M78S uses a sealed oil-cooling system that submerges the boards in dielectric fluid for ultra-quiet, ultra-stable operation.
Specifications
- Hashrate: 472–522 TH/s
- Power: ~7,047 W
- Efficiency: 13.5 J/TH
- Algorithm: SHA-256 (Bitcoin)
- Cooling: Oil immersion
- Manufacturer: MicroBT
Captain Mining advantage
Authorized Canadian reseller. Ships from Gatineau, Quebec — fast Canadian delivery, no US customs delays, bilingual support. Hosting available at our hydro-cooled Quebec facility. Bulk discounts for 2+ units.