The AMD Radeon RX 960 can cause a bottleneck with an Athlon II X4 651K.
You have a brand new graphics card ready to use. Your current monitor resolution is set to 1366x768.
It's fine, you're getting better at assembling your PC. Right now you're working on a semi-sleeper gaming setup.
It seems the RX 570 might cause a bottleneck for the CPU.