Trying to make a fairly decent gaming pc for around 400 dollars. here is a list of the parts. (I need to know if they are all compatible and if there is better options to any of them) thanks!
case- http://www.amazon.com/NZXT-Source-210-ELITE-Midtower/dp/B005869IUY/ref=sr_1_3?ie=UTF8&qid=1401726073&sr=8-3&keywords=nzxt+210+case
HDD- http://www.amazon.com/WD-Green-Desktop-Hard-Drive/dp/B006GDVREI/ref=sr_1_5?ie=UTF8&qid=1401726409&sr=8-5&keywords=western+digital+1tb
CPU- http://www.amazon.com/AMD-FD6300WMHKBOX-FX-6300-Processor-Edition/dp/B009O7YORK/ref=sr_1_1?ie=UTF8&qid=1401726491&sr=8-1&keywords=fx+cpu+6300
RAM- http://www.amazon.com/1600MHz-PC3-12800-Desktop-KHX16C9B1BK2-8X/dp/B00A3VOA3O/ref=sr_1_4?ie=UTF8&qid=1401726628&sr=8-4&keywords=8gb+ddr3
Graphics Card- http://www.amazon.com/Sapphire-Radeon-PCI-Express-Graphics-11201-17-20G/dp/B00A0HZOEA/ref=sr_1_1?ie=UTF8&qid=1401727649&sr=8-1&keywords=SAPPHIRE+11201-17CPO+Radeon+HD+7770+GHz+Edition+1GB+128-Bit+GDDR5+PCI+Express+3.0+CrossFireX+Support+Video+Card
Power Supply- http://www.amazon.com/Corsair-Builder-Series-Watt-CX500/dp/B0092ML0MY/ref=sr_1_1?ie=UTF8&qid=1401726886&sr=8-1&keywords=corsair+cx500
Motherboard- http://www.amazon.com/MSI-A78M-E35-Bolton-Micro-Motherboard/dp/B00HGLX8J6/ref=sr_1_1?ie=UTF8&qid=1401726998&sr=8-1&keywords=msi+socket+fm2+amd+motherboard+fm2-a75ma-e35
case- http://www.amazon.com/NZXT-Source-210-ELITE-Midtower/dp/B005869IUY/ref=sr_1_3?ie=UTF8&qid=1401726073&sr=8-3&keywords=nzxt+210+case
HDD- http://www.amazon.com/WD-Green-Desktop-Hard-Drive/dp/B006GDVREI/ref=sr_1_5?ie=UTF8&qid=1401726409&sr=8-5&keywords=western+digital+1tb
CPU- http://www.amazon.com/AMD-FD6300WMHKBOX-FX-6300-Processor-Edition/dp/B009O7YORK/ref=sr_1_1?ie=UTF8&qid=1401726491&sr=8-1&keywords=fx+cpu+6300
RAM- http://www.amazon.com/1600MHz-PC3-12800-Desktop-KHX16C9B1BK2-8X/dp/B00A3VOA3O/ref=sr_1_4?ie=UTF8&qid=1401726628&sr=8-4&keywords=8gb+ddr3
Graphics Card- http://www.amazon.com/Sapphire-Radeon-PCI-Express-Graphics-11201-17-20G/dp/B00A0HZOEA/ref=sr_1_1?ie=UTF8&qid=1401727649&sr=8-1&keywords=SAPPHIRE+11201-17CPO+Radeon+HD+7770+GHz+Edition+1GB+128-Bit+GDDR5+PCI+Express+3.0+CrossFireX+Support+Video+Card
Power Supply- http://www.amazon.com/Corsair-Builder-Series-Watt-CX500/dp/B0092ML0MY/ref=sr_1_1?ie=UTF8&qid=1401726886&sr=8-1&keywords=corsair+cx500
Motherboard- http://www.amazon.com/MSI-A78M-E35-Bolton-Micro-Motherboard/dp/B00HGLX8J6/ref=sr_1_1?ie=UTF8&qid=1401726998&sr=8-1&keywords=msi+socket+fm2+amd+motherboard+fm2-a75ma-e35