THE 509 ROG CERTIFIED INTERIOR

The second extra of the ROG Certified Edition is the red painted interior frame (which you can see even with the tempered glass on) and as you can all see in terms of interior space the 509 has plenty.

Two 3.5/2.5" drive mounts are placed at the top of the chassis right next to the 5.25" optical bay (not tool-less).

Right beneath the 5.25" drive bay you have enough room to place a 360mm radiator with up to 6 fans in push and pull configuration.

These aluminum mounts can be used to either mount 2.5" drives or 120mm fans (this particular one is for a 2.5" drive however and can be moved up or further down).

Further down at the base of the chassis there's a removable hot-swap drive cage which can house up to three 2.5/3.5" drives.

These drive trays are identical to the ones at the top and although not very sturdy they are good enough for the job.

You can remove the drive cage entirely if you want to use the 120/140mm intake fan mount beneath it or to mount two 360mm radiators inside (one here and one at the front). You can also mount a 240mm radiator right over the drive cage if you want (check the outro/conclusion picture for more on that).

There are 7 holes on the mainboard tray which you can use to route cables behind it.

All 8 PCI expansion slots are held in place with the use of traditional thumbscrews.

The power supply unit area can accommodate models up to 230mm in length.

Taking a look from the rear we see the three 120mm fan/2.5" drive mounts and the hot-swap SATA connectors of the bottom tray.