Everything looks good to me! Any reason you went with AMD? There isnt really an upgrade path and you don't need to get a CPU cooler to overclock them because they don't need overclocking.
"Asus M5A99FX PRO R2.0 ATX AM3+ Motherboard has an onboard USB 3.0 header, but the Cooler Master HAF 912 ATX Mid Tower Case does not have front panel USB 3.0 ports."
Everything looks good to me! Any reason you went with AMD? There isnt really an upgrade path and you don't need to get a CPU cooler to overclock them because they don't need overclocking.
"Asus M5A99FX PRO R2.0 ATX AM3+ Motherboard has an onboard USB 3.0 header, but the Cooler Master HAF 912 ATX Mid Tower Case does not have front panel USB 3.0 ports."
Look for a case with USB 3.0 ports
This doesn't matter at all, it's just letting you know that your case doesn't have USB 3.0 ports but your motherboard supports it. Like mostly all other modern motherboards
"Asus M5A99FX PRO R2.0 ATX AM3+ Motherboard has an onboard USB 3.0 header, but the Cooler Master HAF 912 ATX Mid Tower Case does not have front panel USB 3.0 ports."