is this parts compatible with each other ?
AMD FX-8320 3.5GHz Eight Core 16MB Processor
SAPPHIRE PURE Black 990FX Socket AM3+ Motherboard
Cooler Master Extreme 2 725W PSU
NZXT Guardian 921 RB Blue LED Case USB 3.0
8GB RAM
ASUS Xonar DGX Gaming Audio Card
AMD FX-8320 3.5GHz Eight Core 16MB Processor
SAPPHIRE PURE Black 990FX Socket AM3+ Motherboard
Cooler Master Extreme 2 725W PSU
NZXT Guardian 921 RB Blue LED Case USB 3.0
8GB RAM
ASUS Xonar DGX Gaming Audio Card