"While looking at the back, one notices the red interior color, which is also present on the rear around the Motherboard I/O and expansion slots. Like many case manufacturers are doing now, CoolerMaster also chose to mount the PSU at the bottom of the case. The top panel of the case features the ability to accept either a 120mm or 140mm fan. The bottom of the case includes a fan hole if you choose to mount your PSU so the fan is facing downward and the case does include a fan filter for this application. The bottom also features round rubber feet to resist slipping.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips