HP Pavilion P6110F Desktop (2.6 GHz Intel Pentium E5300 Processor, 6GB DDR2, 640GB HDD, Windows Vista Home Premium) Black (Discontinued by Manufacturer) Intel Pentium Processor E5300 6GB PC2-6400 DDR2 SDRAM memory (2x2048MB 2x1024MB for ultimate performance) (expandable to 8GB) 640GB (7200 RPM) hard drive stores up to 136,000 songs or 109,000 photos. Genuine Windows Vista Home Premium 64-bit edition Intel GMA 3100 integrated graphics