Z87 GA45 Gaming isn't recognising hard drive bays

To starts, my set up specs are;

Mobo - Z87 GA45 Gaming (brand new)

CPU - i5 4670k (brand new)

Ram - 8GB Gskill 1600, 8GB Geil Cobra 1600

Storage- 2TB Seagate 7200rpm HDD, 250GB Samsung EVO SSD

Case - LianLi Tyr PCX2000

I bought the i5 second hand, but...