Looking for a compatible graphics card

[xSanteria]

Processor: AMD A8-5600K Trinity 3.6GHz (3.9GHz Turbo) Socket FM2 100W Quad-Core
System Memory: 8GB
Hard Drive: 500GB @ 7200RPM
Video Card: AMD Radeon HD 7560D (DirectX 11 Graphics)
Optical Drive: LiteOn 24X SATA CD/DVD Burner
Sound Card: 6 Channel HD Audio
Ethernet Card: Realtek 10/100/1000 Mbps
Case/Power Supply: Ultra V2 Plus 450W
Ports: 8xUSB 2.0; 1xEthernet; 2xPS/2; 1xVGA; 1xDVI; 3xAudio

I have no idea what graphics card would be compatible with this, im a total noob so can any of you friendly folks tell me what I could use for this PC? Cheapest and expensive?

 

[sla70r]

750ti

 

[anti-duck]

You could get a HD 6570 and pair it with your iGPU, the HD 6670 is another option but isn't advertised as recommended to pair with that APU and I have heard it will work, but I wouldn't like to say.

 

[xSanteria]

I know about the crossfire, but what about a sole seperate card?