MiniTower DELL Vostro 270MT T222706 Intel Core i3 3220 (3.30GHz/3MB/2C/4T) "4GB DDR3" "500GB SATA " "DVDRW Surround 5.1 " "VGA 1GB Integrated 5.1 high definition audio, HDMI,10/100/1000 Ethernet LAN, Dell MS111 USB Optical Mouse, Dell(TM) KB212-B USB Entry Business Keyboard , 8 USB,1 Serial, 1 PS/2,1 RJ - 45,65W Heatsink" DOS, BH 1 năm