HP Pavilion Slimline s5704y AMD Athlon II X2 250 3Ghz 3GB 500GB - BV559AAR-ABA 3GB DDR2 SDRAM 500GB SATA Hard Drive AMD Athlon II X2 250 Dual-Core (3Ghz / 2 x 1MB L2 Cache) Ethernet 10/100 Mb/s Four USB 2.0 ports Integrated graphics using ATI Radeon 3000