@Blizzy
The PSU is rigth under the mobo tray, at the bottom, at the level of Hdd cage.
@SoulCollective
No, there is space for two thith 3x120 rad with thick fans and shrouds on the both sides, one at the bottom, and one in front.
Yes, 4x3.5 mounts and 3x5.25 mounts. it is simple