The Antminer is a bitcoin mining machine that has been specifically designed for the SHA-256 hashing algorithm. It is one of the most popular and well-known bitcoin mining machines on the market, and has been manufactured by Bitmain Technologies since 2014. The Antminer is available in several different models, each of which is designed for a different hashing algorithm (SHA-256, Scrypt, etc.) and offers different hashrates (the speed at which the machine can mine for bitcoins).The Antminer KA3 is the most popular model of the Antminer, and offers a hashrate of 14 TH/s (terahashes per second). It is also one of the most efficient bitcoin mining machines, with an efficiency of 0.098 J/GH (joules per gigahash). In addition to antminer s9, DCE also provides other models of antminer, such as antminer L7, antminer K7, antminer KA3, antminer s17 pro, etc. If you're looking for a high-quality and reliable bitcoin mining machine, DCE antminer is a great option.