Controlboard Antminer S9 C41
30-day return policy
Free shipping over €200
The control board C41 is suitable for the Antminer S9 and S9i. The Braiins OS+ operating system is already installed on the control board. This means the Antminer S9 runs up to 25 % more efficiently.
Product details
What customers say
5,000+ satisfied customers and trusted by thousands of homes across Europe.
Verified
Awesome Team. Had a great conversation with a customer service agent, helped me understand the inner workings of mining!
Remington Splettstoesser
September 24, 2025
Verified
Sooooo good experience from a french buyer. A customer service really impressive. Perfect and fast communication (thanks Roland!). Will buy again with no doubt.
PBb
November 13, 2024
Verified
very good service ,great pricing fast delivery a seller you can trust
real debrid
April 16, 2025
Verified
Great support and allways answering all Mails!! Very helpful an patiencely even with a Non-Nerd!! Perfect!!!
Stefan Frieg
March 27, 2024
Verified
It was much easier than expected to set up and start mining
Dag Rune Wiksten
November 11, 2024
Verified
Great company and product! A fast response to questions .. It's a great heating solution with cashback in BTC .. the future price of BTC is going up .. so count your blessings in 10 years
Melvin
November 18, 2024
Verified
Top support - lightning fast responses and taking (delayed) delivery date wishes into account. Thanks a ton and keep up the great work!
patrick
January 15, 2025
Verified
Super cool delivery and super cheerful support. A collaboration with our company is conceivable. We look forward to more experiences with you. Thumbs up!
Rene Bobardt
Jul 25, 2024
