Operating systems- Windows 8.1 Pro (64-bit)*Windows 8.1 (64-bit)*Windows 7 Ultimate (64-bit)**Windows 7 Ultimate (32-bit)**Windows 7 Professional (64-bit)**Windows 7 Professional (32-bit)**Windows 7 Professional (64-bit) (available through downgrade rights from Windows 8.1 Pro)***Windows 7 Professional (32-bit) (available through downgrade rights from Windows 8.1 Pro)***Windows 7 Home Premium (64-bit)**Windows 7 Home Premium (32-bit )**FreeDOS 2.0Novell SUSE Linux Enterprise Desktop 11
Processors- Intel® Celeron, Pentium® and 4th Generation Core™ i3, i5 and i7 processors; Intel® vPro™ Technology7 and Intel® Stable Image Platform Program (SIPP) supported
Memory-1600 MHz DDR3 SDRAM; (2) SODIMM slots enabling up to 16GB, dual channel memory support 
Graphics- Integrated Intel® HD Graphics