Sadly, the ones in external cases are cheaper these days, since they're targeted differently. ;( Take a look at http://blog.backblaze.com/2012/10/09/backblaze_d

Sadly, the ones in external cases are cheaper these days, since they're targeted differently. ;( Take a look at http://blog.backblaze.com/2012/10/09/backblaze_drive_farming/ http://blog.backblaze.com/2012/10/09/backblaze_drive_farming... 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=N82E16822178111 http://www.newegg.com/Product/Product.aspx?Item=N82E16822178... http://www.newegg.com/Product/Product.aspx?Item=N82E16822145596 http://www.newegg.com/Product/Product.aspx?Item=N82E16822145... http://www.newegg.com/Product/Product.aspx?Item=N82E16822236385 http://www.newegg.com/Product/Product.aspx?Item=N82E16822236...