The used and refurbished MicroBT Whatsminer M31S+ is fully tested and delivered cleaned with compressed air. It delivers ~80 TH/s at approximately 3.36 kW – approximately 42 J/TH – with the original Whatsminer firmware.
Each device includes a 220–240 V P221B/P222B power supply, weighs ~12 kg, and measures 430 × 155 × 226 mm. The M31S+ is designed for a temperature range of -5°C to 35°C and is suitable for home racks, container farms, or overflow in data centers.
Note: Not all third-party firmware such as Braiins OS+ can be installed. The device is supplied and operated with the standard MicroBT software.
Electrical note: The Whatsminer M31S+ has a power consumption of approximately 3.4 kW, which exceeds the continuous load limit of a 230 V / 16 A circuit (~3.7 kW). Have the device connected to a special CEE socket by a licensed electrician using an IEC C19 cable. to a special CEE socket. Standard household sockets are not suitable for this load. Please note: The miners are used and have been used in mining farms for varying lengths of time. They therefore show signs of wear and tear.
Product safety information
Manufacturer information:
21energy
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