NZXT Phantom 820 question fans

[zmaster]

hi guys
anybody here have the above case?
i bought mine recently and wish to switch out the fans.
any suggestions?

currently its sitting on the stock
Top: 1x 200mm
Front: 1x 200mm
Rear: 1x 140mm
Side: 1x 200mm

it has the capacity for
Top: 2x 200mm (One included) or 2x 140mm or 3x 120mm
Front: 1x 200mm (Included)
Bottom: 2x 140mm or 2x 120mm
Rear: 1x 140mm (included) or 1x 120mm height adjustable
Side: 1x 200mm (included)
Pivot: 1x 140mm or 1x 120mm internal pivot fan


let me know.