4th Gen Intel® Core™ i5-4590 Processor (Quad Core, 6MB, 3.30GHz / Intel HD Graphics 4600/4GB 1DIMM NON-ECC 1600MHz (Max 2DIMM SLots - Up to 16GB) 1TB 7200RPM 3.5" SATA Hard Drive/8X Slimline DVD+/-RW drive (SFF) / 16X Half Height DVD+/-RW Drive (MT)/ Keyboard & Mouse/ internal speaker/ No Monitor/ MS Office 2013 Trial/ Windows 7 Professional 64-bit, English (Includes Windows 8.1 Pro license and media)