Is this GPU compatible with my hardware?

[AppleGeek911]

Current Hardware

Motherboard: Gigabyte EP45-UD3P (Socket 775)
Processor: Intel Core 2 Duo E4600 @ 2.4GHz
Memory: 4GB of Dual-Channel DDR2 @ 332MHz (Kingston)
Hard Drive: 500GB WD Caviar Green (SATA)
Power Supply: 650W Corsair TX
Video Card: 1GB NVIDIA GeForce 9500 GT (EVGA)

Desired GPU: AMD Radeon 6570 (2GB)

 

[i7Baby]

You should be fine - http://www.gigabyte.com.au/products/product-page.aspx?pid=2919#sp

you can run 2 cards on your mobo.