With these specs can anyone tell me what the best games I can play will be??
MSI A55M-E33 AMD FM2 uATX Motherboard 8GB DDR3 1600MHz Memory (2x4GB) AMD A6 X2 5400K Black Edition Dual Core, 3.6GHz, with AMD RADEON™ HD 7540D GPU
More aboutcompatibility enquiry
You should be able to play anything depending on your settings and resolution. You may have to lower settings though. A separate graphics card would boost performance quite a bit over the gpu on the cpu.