The M Series 15.6" Professional M9x Music Production Laptop from MusicXPC offers a powerful portable solution for musicians, producers, engineers or DJs who are constantly on the move. It features an Intel i7-3610QM 2.3 GHz CPU, 120GB solid state drive, 16GB of RAM and the Windows 7 Professional operating system. It incorporates a backlit Keyboard, allowing for more use in settings where light is insufficient. In this laptop, most software installers can be downloaded, eliminating the need for CDs or DVDs and transferring data to flash memory. If you need an optical drive then an external one can be connected through either USB or Firewire..