Question is exactly as stated. i have a ASRock 970M Pro3 AM3+/AM3 AMD 970 + AMD SB950 6 x SATA 6Gb/s USB 3.0 Micro ATX AMD Motherboard and want to crossfire on it, but my Core 1000 only has 4 expansion slots, but i need 5, will i still be OK to crossfire or will i need a new case?