A:AnswerThis unit has a writable DVD supports:
8x DVD+R DL; 8x DVD-R DL; 16x8x16 DVD+RW; 16x6x16 DVD-RW; 5x DVD-RAM; 48x32x40 CD-RW
USB 3 ports are located on the back and should be blue in color.
This unit does support dual monitors.
And has 1 bay open for additional DVD drives.