OptiPlex 9020 MT : N-Series Base Mini-Tower Chassis,Processor : Intel Core i5-4590 Processor (Quad Core HT, 3.3GHz, 6MB, w/ HD Graphics 4600),Memory : 4GB (2x2GB) 1600MHz DDR3 Non-ECC,Hard Drive : 500GB 3.5inch Serial ATA (7,200 Rpm) Hard Drive, 1Yr Basic Warranty - NBD