ASUS Essentio CS5111 Intel Pentium Dual Core E5200 2.5GHz, 4GB, 640GB SATA HDD, 802.11n, HDMI, Windows Vista Home Premium 64-bit - Refurbished Intel Pentium Dual Core E5200 2.5GHz CPU 4GB DDR2 RAM 640GB SATA HD Intel GMA X3500 Dynamic Video HDMI interface