1. Dell GX620 SFF Desktop Computer, Powerful Intel 2.8GHz processor is included, LGA 775 CPU, Super Fast 2GB Interlaced DDR2 Memory, VGA Onboard Video, Fast 80GB SATA Hard Drive, DVDCDRW Burn CD's and Play DVD's, Crystal Clear VGA Video, Intregrated NicAudio, XP Professional with COA br br 2. Dell GX620 SFF Desktop Computer, Powerful Intel 2.8GHz processor is included, LGA 775 CPU, Super Fast 2GB Interlaced DDR2 Memory, VGA Onboard Video, Fast 80GB SATA Hard Drive, DVDCDRW Burn CD's and Play DVD's, Crystal Clear VGA Video, Intregrated NicAudio, XP Professional with COA br br 3. Windows 7 Home Premium Dell 745 Optiplex SFF Computer,Intel 3.4GHz Dual Core CPU Processor, 750GB 7200 RPM , 4GB DDR2, CDRWRWDVDRW br br 4. Windows 7 Home Premium Dell 745 Optiplex SFF Computer,Intel 3.4GHz Dual Core CPU Processor, 750GB 7200 RPM , 4GB DDR2, CDRWRWDVDRW br br 5. ASUS M11AD-US003Q Desktop (3.5 GHz Intel Core i3-4150 Processor, 4GB DDR3, 500GB HDD, Windows 7 Professional) br br 6. Dell Optiplex 740 Desktop Computer, AMD Athlon 64X2 2.1Ghz CPU, 4GB DDR2 Memory, 500GB Hard Drive, WiFi, DVD-Burner Optical Drive, Microsoft Windows 7 Operating System. (Featuring an iCompNY USB Keyboard and Mouse) br br 7. Dell Optiplex 740 Desktop Computer, AMD Athlon 64X2 2.