Dell Optiplex Intel 3.2ghz Pentium D, New 4GB of Memory, 750GB SATA HDD DVDRW Genuine Windows 7 Professional-(Certified Reconditioned) CPU 	Intel 3.4GHz Pentium D Processor- New Memory 	4GB of DDR2 - Hard Drive, 750GB SATA HDD This certified reconditioned product is tested and certified by the manufacturer or by a third-party seller to look and work like new, with some signs of wear.The reconditioning process includes functionality testing, inspection and repackaging. Optical Drive DVDRW/CDRW Operating System Windows 7 Professional 64 bit Brand New Keyboard and Mouse, Power cord