First build need advice

ok so I have purchased some of the parts but along the way I changed some because of availability and price

CPU: intel i7-4790k
mobo: gigabyte z97x ud3h black
Gpu: (Palit GTX 980 4GB GDDR5 384-bit Graphic Card)not yet bought--open for alternative suggestions
PSU: SeaSonic M12II 620 Bronze 620W
ram: 2x8Gb g skill ripjaws x ddr3
ssd: samsung 840 evo 120gb
hdd: WD 2TB green
case: bitfenix ghost(would my parts fit ok?)
display: dell u2412m 24" LED
cooler: deep cool tiger shark fan

is this build fine??