The XT3915 is a fan-free, spill-resistant resistive 15'' touch screen with a 128GB solid state drive (SSD) as its standard configuration. The SSD eliminates the traditional hard drive as a mechanical point of failure for maximum uptime and reliability. Part Details: 15'', Intel Celeron J1900,2.00 GHz, 4GB DDR3 SO-DIMM RAM, WIN 7-32 bit, Resistive touch.