HP Pavilion P6130F Desktop PC (Discontinued by Manufacturer) AMD PhenomTM X4 9750 Processor 8GB PC2-6400 DDR2 SDRAM memory (4x2048MB for ultimate performance) (expandable to 16 GB) 750GB (7200 RPM) hard drive stores up to 161,000 songs or 129,000 photos. Genuine Windows Vista Home Premium 64-bit edition NVIDIA GeForce 9100 Graphics with 256MB intregrated shared graphics memory. Up to 1407MB Total Available Graphics Memory as allocated by Windows Vista