ASUS M32BF-R05 Desktop Computer A10-7800 3.5GHz 8GB 1TB W8.1 AMD A10-7800 Quad-Core 3.5GHz (3.9GHz Turbo) 4MB L2 cache processor 8GB DDR3 1600MHz RAM, expandable to 16GB 1TB 7200RPM HDD Windows 8.1 2x USB 3.0, 4x USB 2.0