I have 45 + of these if you would like more or bulk just message me !**TESTED**WORKING** The Bitmain Antminer C41 Control Board is a mining hardware ASIC designed for cryptocurrency mining. It supports various hash algorithms such as Scrypt, Dagger-Hashimoto, SHA-256, X11, and Blake-256. With compatibility for Bitcoin Cash, Bitcoin, and Bitcoin Private, this control board allows miners to efficiently mine these currencies. Manufactured by Bitmain in the United States, the Antminer C41 is a reliable and high-performance option for those looking to enhance their mining operation.