HP Pavilion Slimline s5-1020 Desktop Computer - Black (Discontinued by Manufacturer) Intel Pentium Processor E6800. 4GB PC3-8500 DDR3 SDRAM memory (3) (2x2GB) (expandable to 4GB) 1TB (Terabyte) 7200RPM Serial ATA hard drive Intel GMA X4500 integrated graphics(16) Up to 1695MB Total Available Graphics Memory as allocated by Windows 7 Genuine Windows 7 Home Premium 64-bit - makes everyday tasks simple-and makes new things possible Integrated 802.11 wireless networking. 10/1000-baseT Ethernet interface.