MiningSpeed Review

Sapphire is a Graphics card producer that can be used in mining alternative crypto currencies such as Ethereum and Litecoin. SAPPHIRE Technology is a leading manufacturer and global supplier of innovative components and solutions for PC systems for both consumer and professional applications. From its origins in the design and manufacture of state-of-the-art graphics add-in boards, the extensive SAPPHIRE product range has grown to include a broad range of professional and embedded products. Founded in 2001, SAPPHIRE is a privately held global company headquartered in Hong Kong.

Stratus Mining is a cloud mining service that allows users to mine Bitcoin and Ethereum. Stratus Mining is an efficient and eco-friendly company based in Austria where there is relatively cheap electricity and low temperatures to reduce the need for cooling.

Based in Canada, NuVoo Mining is a company that focuses on providing users with the tools for them to take the first steps into the crypto/mining world. NuVoo offers a Cloud Mining, Dedicated Miner and Colocation Miner service. Nuvoo also offers solutions for experts and large-scale entrepreneurs from one unit farm to multiple tier-1home dedicated mining farm. Nuvoo offers a billingual ( French and English ) live customer support service so clients can get access to instant support.