Latest Intel Technology Xeon E3-12xx V3 Core i 3, i 5, i 7 4xxx series C226 Chips Enhanced usability & customer experience USB (Universal Serial Bus) 3.0 ports on the front Supports up to 6 total USB (Universal Serial Bus) 3.0 ports with 2 being front access Mosaic mode support with Intel GFX Allows for multiple monitors to function as one with internal graphics RAID 5 support on SFF More drives = increased data security Auto CAD LT pre-loaded Exclusive free 60-day trial of Auto CAD LT software. Additional Features Wi Fi support Dual discreet graphics capable 29-in-1 media card reader 3 HDD support in both TWR & SFF.