Hello guys,

I am curious what would you replace first from this pc setup list:

2048MB ATI AMD Radeon R9 270x Series (Gigabyte)
16.0GB Dual-Channel DDR3 @ 799MHz (11-11-11-28)
Intel Core i5 4690K @ 3.50GHz 44 °C
Haswell 22nm Technology

Thank you in advance.