ASUS M51AD-US006S Desktop PC.Intel 4th Generation i5-4460 Processor Intel H81 Chipset 12GB DDR3 1600Mhz Memory 2TB 7200RPM Hard DriveKeyboard and mouse included AMD R7 240 2GB DDR3 GraphicsWindows 8.1. Fast. Powerful. Reliable. The M51AD desktop PC is powered by a 4th gen Intel Pentium processor and AMD graphics to deliver incredible performance. It comes with the latest Windows 8.1 and it is built with more innovation per inch than you could ever expect from a multimedia powerhouse PC. Experience the versatile desktop PC that is built to be about you and that can handle your everyday applications.