The AMD Athlon II X2 280 3.6GHz tray (ADX280OCK23GM) Tray CPU is a fast affordable Processor which can be controlled well by Process assignment can be two applications run Paralel! He could be replaced easily and fit - before I have the AMD Athlon II X2 220 2.8GHz original sheeting from 6.3 to 6.7 performance index win7 (calculations per second) if you should believe the schencken then has characterized the performance my PC's improved. bad I could not even notice until now.