Sell IMAS 27, fast, mount video in 4K without problems, a powerful processor and ssd from Apple on 256 gb. give your result, also installed a hard disk on 1TB, the machine was going to order, complete set from the manufacturer. The set includes a monoblock, mouse, keyboard, and box. In this line of IMAS, you can easily increase the ddr memory to 32 GB. Possible exchange for a MacBook Pro (required for mobility).