If you're not afraid of shucking cases, there are a number of 4TB drives you can get at that pricepoint-
http://www.newegg.com/Product/Product.aspx?Item=N82E16822178...
http://www.newegg.com/Product/Product.aspx?Item=N82E16822145...
http://www.newegg.com/Product/Product.aspx?Item=N82E16822236...
If you're not afraid of shucking cases, there are a number of 4TB drives you can get at that pricepoint-
http://www.newegg.com/Product/Product.aspx?Item=N82E16822178...
http://www.newegg.com/Product/Product.aspx?Item=N82E16822145...
http://www.newegg.com/Product/Product.aspx?Item=N82E16822236...