Are these components compatible?

Solution
Yes, they are and I put other similar build for you, I use the r7 260x 2GB and the CX430 PSU.

PCPartPicker part list: http://pcpartpicker.com/p/3gVWn
Price breakdown by merchant: http://pcpartpicker.com/p/3gVWn/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3gVWn/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($109.99 @ Amazon)
Motherboard: Asus M5A97 LE R2.0 ATX AM3+ Motherboard ($72.99 @ Newegg)
Memory: Kingston XMP Blu Red Series 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Newegg)
Video Card: Sapphire Radeon R7 260X 2GB Video Card ($119.99 @ Newegg)
Case: Rosewill REDBONE ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply...
Yes, they are and I put other similar build for you, I use the r7 260x 2GB and the CX430 PSU.

PCPartPicker part list: http://pcpartpicker.com/p/3gVWn
Price breakdown by merchant: http://pcpartpicker.com/p/3gVWn/by_merchant/
Benchmarks: http://pcpartpicker.com/p/3gVWn/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor ($109.99 @ Amazon)
Motherboard: Asus M5A97 LE R2.0 ATX AM3+ Motherboard ($72.99 @ Newegg)
Memory: Kingston XMP Blu Red Series 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Newegg)
Video Card: Sapphire Radeon R7 260X 2GB Video Card ($119.99 @ Newegg)
Case: Rosewill REDBONE ATX Mid Tower Case ($29.99 @ Newegg)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Newegg)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($20.99 @ Amazon)
Total: $498.92
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-03-26 16:37 EDT-0400)
 
Solution