With the side panels removed we can see inside R3 and it has a good layout with tool-less mechanisms throughout, cable management grommets and adequate space for component installation.
A decent layout with tool-less design for installation of devices
Behind the motherboard tray – cable management grommets and HDD access
The PSU mounting area has rubber pads for cushioning the PSU and preventing vibration/scratching. The underside of course has a removable filter should you choose to install the PSU with the fan on the underneath. Next to the PSU area is a fan mounting bracket for attaching a 120mm fan. Those with a longer PSU will need to remove this bracket as it can cause obstruction.
The PSU mounting area with anti-vibration pads
Above this are 7x PCI expansion slot covers with ventilation holes for better airflow and thumbscrews for easy removal.
7x PCI expansion slot covers – with ventilation and thumbscrews
Over the page we will continue our tour of the internal elements of R3.