DELL OPTIPLEX 3020

Intel CORE i7-4770 @ 3.4 Ghz QUAD CORE CPU 
(UP TO 3.6GHZ TURBO FREQUENCY))
8 gb ddr3 ram (Upgrade available see below)
256 SSD HARD DRIVE
Up to 1gb Intel Graphics controller
Dvdburner drive 
Onboard High definition audio controller
Gigabit Network port for broadband internet or networking 
10 x usb  ports ( usb 3.0 &  usb 2.0 )
Serial port (RS 232) 

Windows 7 pro 64bit license sticker & Product Key 
Windows10 pro 64bit installed, ready to use &