But you can remove the hard drive bays. The case is fully modular so you can configure it how you like. Also if people read the reviews the airflow is not sub-par - its on the good side of average and in certain configurations does pretty well.
The BQ 900 is very pricey for this design and they still follower the old design cases back in the 1990's and what with all that hardware in side the air flow is still blocked by the HDD bays!
One day they might get it right