Optiplex 380 SF, Intel Core 2 Duo E8400(3GHz,1333MHz,6MB), Memory : 4GB(1X4GB) 1333MHz DDR3, Hard Drive : 500GB Serial ATA II (7200RPM), Optical Drive : 8X DVD+/-RW Drive, Internal Dell Business Audio Speaker, Scroll USB (3 buttons scroll) Black Mouse, US/Euro (QWERTY) Dell QuietKey USB Keyboard Black, English Genuine Windows 7 Professional (64 BIT), 3Yr Basic Warranty - Next Business Day