The parent is correct. Many vendors make 24 cores in 1U nowadays. For example you can get an Asus barebone with two Opteron 6168 processors for $2290: $800 bare

The parent is correct. Many vendors make 24 cores in 1U nowadays. For example you can get an Asus barebone with two Opteron 6168 processors for $2290: $800 barebone (http://www.newegg.com/Product/Product.aspx?Item=N82E16816110055 http://www.newegg.com/Product/Product.aspx?Item=N82E16816110...) plus two $745 processors (http://www.newegg.com/Product/Product.aspx?Item=N82E16819105267 http://www.newegg.com/Product/Product.aspx?Item=N82E16819105...)