HP Pavilion P6637C - AMD Athlon II 170U 2.0GHz, 4GB DDR2, 500GB HDD, DVDRW, Windows 7 Home Premium 64-bit -  -   Desktop PC (Discontinued by Manufacturer) AMD Athlon II 170u 2.00GHz Processor NVIDIA GeForce 6150 SE integrated graphics 4GB PC2-6400 DDR2 SDRAM memory (2 x 2GB) Windows 7 Home Premium 64-bit 500GB (7200RPM) SATA hard drive