It does not. There's barely enough room for full depth fans (25mm)
I am really curious as to how much space is between the riser and the fans. Also the clearance between the motherboard and the fans.
Although it would be nice to fit the fans inside the case; what I'm getting at is the possibility of mounting the fans externally in a push config.
Imagine this: 240mm AIO rad mounted inside (27mm thickness) and 2 x 120mm slim fans externally mounted in push config (12mm). Boom, AIO in the SM550. Custom loop, we could run a 20.5mm thick rad.
It seems like there is a slim chance this might work... ?
@payo36 thanks for posting those pics btw